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LG laptop motherboard schematic diagram


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                                                                          INTEL P4P-M                                      THERMAL
                                                                                                                           SENSOR
                                                                                                                                                    FAN CONN
                                                                                                                                                                                                                                 BLOCK DIAGRAM

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                                                                                                                        3.3V    PAGE 40           5V       PAGE 40
                                                                        VCC_VID                    PAGE 1- 3
                                                                                                                         ADM1032ARM
                                                                                     CPU_COREVCC                          MAX6510




                                                                                                                                                                                                                             t
                                                                                           FSB 100MHz




                                                                                                                                                                                                                 a
                                                                                     CPU_COREVCC

                            DDR TWO                                                                                                  LCD CONN
                                                      DDR 133MHz
                          DIMM CONN.                                              RS200M                                       VCC_LCD(3.3V)      PAGE24


                                                                                                                                     CRT CONN




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                                                                       VCC1_8B(CORE)                                           VCC5B_CRT          PAGE25
                          VCC2.5A     PAGE9-10                         VCC2_5A(MEMORY)
                                                                       VCC3B,VCC2_5B,VCC1_8B        PAGE 4-7




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                                                                                           PCI INTERFACE 3.3V 33MHZ




                                                                                                                                     RTC PAGE22



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                                                                                                                                                                                       AD23                              AD22
                                  IDE-P                                                                                    VCC5M_1535
                                                                                                                                                                                      INTB#                              INTC#
                                                                                                                                                                                                                                                 EEPROM
                                                                                                                                                                                                                                                 PAGE30
                                    HDD                                                                                                                                        PCI_REQ0#/PCI_GNT0#                PCI_REQ2#/PCI_GNT2#
                                                                                                                                     PIO




                                                                                                       -
                                                    ATA INTERFACE
                          VCC5B           PAGE17     (PRIMARY)
                                                                                   M1535+                                  VCC5B               PAGE34                           PCI1510                            BCM5901                        RJ45
                                                                                                                                                                                                                                                 PAGE31
                                  IDE-S                                                                                              USB0                              VCC3M                       page27   VCC3AUX,LAN1.2V,LAN2.5V     page30
                                                                                                                                                        SIDE




                                                                                                     p
                                                                                                                           USBPWR(5V)          PAGE41
                          CD,DVD,COMBO              ATA INTERFACE                                  PAGE13-15
            FIXED BAY VCC5B                         (SECONDARY)
                                                                        VCC3B,VCC3M
                                                                        VCC5B,VCC5M_1535                                             USB1
                                          PAGE18                                                                                                        REAR




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                                                                                                                           USBPWR(5V)          PAGE41

                                                                                                                                                                                CARD BUS
                                                                                                                                                                                3.3V
                                                                                                                                                                                  5V
                                                                                                                                                                                 12V      page28




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                                                   AC'97 INTERFACE                                                             LPC VCC3B, 33MHz




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 MONO              AMP
                                                                       CDC                         FLASH                                                             INT. KBD
SPEAKER                                      AC'97
                 AMPVCC(5V)
                                                                                                                                     H8                          TRACK POINTER
   PAGE37            PAGE38                  AUDIO                     CONN.                        ROM                                                                  PAGE47
                                             CODEC




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INT_MIC
   PAGE37                                 AVCC5    PAGE36           VCC3AUX       PAGE16      VCC5B            PAGE21      VCCSW,VCC5_H8 PAGE45
                                                                                                                                                        POWER S/W         VOLUME S/W




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                                                                                                        3   4   5   6   7         8   9   10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31


                                                                                                                                                                                                                                                 DBI#(0:3)
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                                                                                                            K4
                                                                                                            L6
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                                                                                                            N1
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                                                                                                            T1
                                                                                                            R2
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                                                                                                            R6
                                                                                                            W1
                                                                                                            T5
                                                                                                            U4
                                                                                                            V3
                                                                                                            W2
                                                                                                            Y1
                                                             H_REQ#(0:4)
                                                     4 12
                                                                                                                                                                                                                                   E21      0




                                                                                                            A10#
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                                                                                                            A3#
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                                                                                                                                                                                                                             DBI1#




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                                                                                      0            J1                                                                                                                              P26      2
                                                                                                        REQ0#                                                 ADDRESS LINES                                                  DBI2#
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                                                                                                        REQ1#                                                                                                                DBI3#
                                                                                      2            J4
                                                                                                        REQ2#
                                                                                      3            J3
                                                                                                        REQ3#




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                                                                                      4            H3                                                                                                                                E22   H_DSTBN0#
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                                                                                                                                                                                                                           DSTBP0#                     4   12
                                                                        H_ADSTB0#                  L5                                                                                                                                K22   H_DSTBN1#
                                                               4 12                                   ADSTB0#                                                                                                              DSTBN1#                     4   12
                                                                        H_ADSTB1#                  R5                                                           U5                                                                   J23   H_DSTBP1#
                                                               4 12                                   ADSTB1#                                                                                                              DSTBP1#                     4   12




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                                                                                                                                                                                                                                     R22   H_DSTBN2#
                                                                                                                                                                                                                           DSTBN2#                     4   12
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                                                               4 12                                     ADS#                                                                                                               DSTBP2#                     4   12
                                                                                               AC1                                                                                                                                   W22   H_DSTBN3#
                                                                                                        AP0#                                                                                                               DSTBN3#                     4   12
                                                                                                V5                                                                                                                                   W23   H_DSTBP3#
                                                                                                        AP1#                                                                                                               DSTBP3#                     4   12




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                                                                                                        BINIT#
                                                                        H_BNR#                  G2                                                                                                                                               HD#(0:63)
                                                               4 12                                     BNR#                                                                                                                                                    4 12
                                                                        H_BPRI#                 D2                                                                                                                                   B21    0
                                                               4 12                                     BPRI#                                                                                                                 D0#
                                                                                                                                                                                                                                     B22
B                                                                                                                                                                                                                             D1#
                                                                                                                                                                                                                                            1
                                                                                                                                                                                                                                                                           B




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                                                                                               L25                                                                                                                                   A23    2




                                                                                                                        CONTROL
                                                                                                        DP3#                                                                                                                  D2#




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                                                                                               K26                                                                                                                                   A25    3
                                                                                                        DP2#                                                                                                                  D3#
                                                                                               K25                                                                                                                                   C21    4
                                                                                                        DP1#                                                                                                                  D4#
                                               CPU_COREVCC                                     J26                                                                                                                                   D22    5
                                                                                                        DP0#                                                                                                                  D5#




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                                                                        H_DEFER#                E2                                                                                                                                   B24    6
                                                                4 12                                    DEFER#                                                                                                                D6#
                                                                        H_DRDY#                 H2                                                                                                                                   C23    7
    R576 should be placed near PinH6 within 0.5inch.            4 12                                    DRDY#                                                            NORTHWOOD                                            D7#
                                                                        H_DBSY#                 H5                                                                                                                                   C24    8
                                                                4 12                                    DBSY#                                                                                                                 D8#
                                                                                                                                                                                                                                     B25    9




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                                                                R596    1%    49.9                 U6                                                                                                                                G22   10
                                                                                                      TESTHI8                                                              PART1/3                                           D10#
                                               1%                                                  W4                                                                                                                                H21   11




                                                -
                                                                                                      TESTHI9                                                                                                                D11#
                                                                                                   Y3                                                                                                                                C26   12
                                               51           TP4587           TP4573                   TESTHI10                                                                                                               D12#
                                  H_BREQ0#                                                         H6                                                                                                                                D23   13
                          4 12                                                                        BR0#                                                                                                                   D13#




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                                                                                                                                                                                                                             D14#
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                                                                                                        IERR#                                                                                                                D15#
                                                                                          TP4588                                                                                                                                     H22   16
                                                                                                                                                                                                                             D16#
                                        CPU_COREVCC                     CPU_INIT#                  W5                                                                                                                                E24   17
                                                             2 12 13                                    INIT#                                                                                                                D17#




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                                                                                                                                                                                                                                     G23   18
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                                                                        H_LOCK#                    G4                                                                                                                                F23   19
                                               R589             4 12                                    LOCK#                                                                                                                D19#
                                                                                                                                                                                                                                     F24   20
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                                                1%                                                 V6                                                                                                                                E25   21
C                                                                                                       MCERR#                                                                                                               D21#                                          C




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                                  CPURESET#                                                   AB25                                                                                                                                   D26   23
                           4 12                                                                         RESET#                                                                                                               D23#
                                                                      H_RS2#                    F4                                                                                                                                   L21   24




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                                                                      H_RS1#                    G5                                                                                                                                   G26   25




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                                                                                               AB2                                                                                                                                   M21   27
                                                                                                        RSP#                                                                                                                 D27#




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                                                                        H_TRDY#                 J6                                                                                                                                   L22   28
                                                                 4 12                                   TRDY#                                                                                                                D28#
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                                                                                                                                                                                                              DATA LINES     D29#
                                                                        H_HIT#                     F3                                                                                                                                K23   30
                                                                4 12                                  HIT#                                                                                                                   D30#
                                                                        H_HITM#                    E3                                                                                                                                H25   31




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                                                                4 12                                  HITM#                                                                                                                  D31#




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                                                                                                                     N23
                                                                                                                     M24
                                                                                                                     P21
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                                                                                                                     M23
                                                                                                                    AA24
                                                                                                                    AA22
                                                                                                                    AA25




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                     1                                                         2                                                    3                                4                                 5                                                      6
                                                                                                                                                                                              CPU_COREVCC
                           VCC3B




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                                 R534




                                                                                                                                                    AA10
                                                                                                                                                    AA12
                                                                                                                                                    AA14
                                                                                                                                                    AA16
                                                                                                                                                    AA18

                                                                                                                                                    AB11
                                                                                                                                                    AB13
                                                                                                                                                    AB15
                                                                                                                                                    AB17
                                                                                                                                                    AB19


                                                                                                                                                    AC10
                                                                                                                                                    A10
                                                                                                                                                    A12
                                                                                                                                                    A14
                                                                                                                                                    A16
                                                                                                                                                    A18
                                                                                                                                                    A20




                                                                                                                                                    AA8




                                                                                                                                                    AB7
                                                                                                                                                    AB9
                                                                                                                                                                                                            s.



                                                                                                                                                    A8
                                          R533
                           300                                                                                                                                                        AC12                                                                         CPU_COREVCC




                                                                                                                                                     VCC1
                                                                                                                                                     VCC2
                                                                                                                                                     VCC3
                                                                                                                                                     VCC4
                                                                                                                                                     VCC5
                                                                                                                                                     VCC6
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                                                                                                                                                    VCC18
                                                                                                                                                    VCC19
                                                                                                                                                    VCC20
                                                                                                                                                    VCC21
                                                                                                                                        HOST CLK                              VCC22
                1535_FERR# TP6083                                                                              CPUCLK_BCLK       AF22                                                 AC14
A      2 13
                                                                       1535_FERR#
                                                                                                       2   7
                                                                                                               CPUCLK_BCLK#      AF23
                                                                                                                                        BCLK0                                 VCC23
                                                                                                                                                                                      AC16                                            CPU_FERR#        R561             56                 A




                                                                                                                                                                                        ic M
                                          470                                              2 13        2   7                            BCLK1                                 VCC24                                               2
                         Q505 3                                                                                CPUCLK_ITP        AC26                                                 AC18
                                                                                                       2   7                            ITP_CLK0                              VCC25
                                   2                                     R542                                  CPUCLK_ITP#       AD26                                                 AC8                                             CPU_THRMTRIP#    R566         56
                       BC848A             TP5850                                                       2   7                            ITP_CLK1                              VCC26                                         2 40
                                                           *                                                                                                                          AD11
                                                                                                                                                                              VCC27
                               1        3 Q504                           56                                    CPU_A20M#           C6                                                 AD13                                            CPU_IGNNE#       R567         200




                                                                                                                                                                                       tO
                                                   R541                                                2 13                           A20M#                                   VCC28                                          2   13
                                           2            470              CPU_FERR#                             CPU_FERR#           B6                                                 AD15     



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