Service Manuals, User Guides, Schematic Diagrams or docs for : acer Asus K42Jr
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SYSTEM PAGE REF.
PAGE Content
K42Jr SCHEMATIC Revision 2.0 Power
1 Block Diagram VCORE
2 System Setting
3
4
CPU(1)_DMI,PEG,FDI,CLK,MISC
CPU(2)_DDR3
BLOCK DIAGRAM System
D D
5 CPU(3)_CFG,RSVD,GND
6 CPU(4)_PWR
7 CPU(5)_XDP 1.5VS & 1.05VS
16 DDR3 SO-DIMM_0
17 DDR3 SO-DIMM_1
18 DDR3 CA_DQ VOLTAGE DDR & VTT
19 VID controller
20 PCH_IBEX(1)SATA,IHDA,RTC,LPC
IMDH
HDMI
21 PCH_IBEX(2)_PCIE,CLK,SMB,PEG CPU zHM6601/008 3RDD +2.5VS
AMD PARK-XT-S3
61x EICP
6 EICP DDR3 SO-DIMM
22 PCH_IBEX(3)_FDI,DMI,SYS PWR ARRANDALE
23 PCH_IBEX(4)_DP,LVDS,CRT
24 PCH_IBEX(5)_PCI,NVRAM,USB CRT
TRC
TRC
TRC
TRC SDVL
SDVL
SDVL
SDVL Charger
25 PCH_IBEX(6)CPU,GPIO,MISC
26 PCH_IBEX(7)_POWER,GND 8x IDF
8x IDF
8x IDF
8x IDF 4x IMD
4x IMD
4x IMD
4x IMD
27 PCH_IBEX(8)_POWER,GND
SDVL
SDVL
SDVL
SDVL Detect
LCD Panel
28 PCH_SPI ROM,OTH
29 CLK_ICS9LPR362
TRC
TRC
TRC
30 EC_IT8512(1/2) Load Switch
MiniCard
C
31 EC_IT8512(2/2)KB, TP WLAN C
32 RST_Reset Circuit Shirley Peak/ Echo Peak
33 HANKSVILLE Power Protect
34 LAN_RJ45
36 CODEC-ALC663
37 AUD_Amp & Jack Debug Conn. 1x EICP MiniCard
38 AUD_FM2010
40 CB_R5C833 Touchpad CPL PCH
41 CB_R5C833 EC
42 CB_4in1 CardReader IT8500E-L
Ibex Peak-M
43 CB_NewCard Keyboard GigaLAN RJ45
44 BUG_Debug BSU
BSU
BSU
BSU
HANKSVILLE
45 CRT_LCD Panel SPI ROM
46 CRT_D-Sub CardReader
47 Display Port
48 TV_HDMI
50 FAN_Fan & Sensor
51 XDD_HDD & ODD
52 USB_USB Port *2 ATAS
B 53 MINICARD(WLAN) CMOS Camera B
56 LED_Indicator INT. MIC
57 DSG_Discharge
ailazA
USB Port(1)
60 DC_DC & BAT Conn.
61 BT_Bluetooth ODD MiniCard
Audio Amp
Azalia Codec USB Port(2)
64 TUN_TV Tuner
Realtek ALC269
65 ME_Conn & Skew Hole HDD(1)
Jack Bluetooth
66 ESA_ESATA USB Port(3)
67 PCH_XDP, ONFI
70 VGA_MXM
71 VGA_LVDS Switch
80 PW_VCORE(MAX17034)
81 PW_SYSTEM(MAX17020)
82 PW_I/O_VTT_CPU&+1.1VM
83 PW_I/O_DDR & VTT& +1.8VS VID controller Discharge Circuit DC & BATT. Conn.
A
84 PW_I/O_3VM & ME_+VM_PWEGD A
86 PW_+VGFX_CORE(MAX17028) Clock Generator
88 PW_CHARGER(MAX17015) ICS ICS9LPR427 PWM Fan Reset Circuit Skew Holes
90 PW_DETECT
91 PW_LOAD SWITCH
92 PW_PROTECT Title : Block Diagram
93 PW_SIGNAL Engineer: Nic
ASUSTeK COMPUTER INC. NB4
94 PW_FLOWCHART Size Project Name Rev
C K42Jr 1.1
Date: Thursday, November 12, 2009 Sheet 1 of 96
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PCH_IBEX PCH_IBEX
Internal & EC EC GPIO Use As Signal Name EC EC GPIO Use As Signal Name
Use As Signal Name External Power GPA0 O PWR_LED#
GPIO GPIO Pull-up/down IT8512 GPA1 O CHG_LED#
IT8301 GPIO0 I ME_PM_SLP_M#
GPIO 00 GPO - - +3VS GPIO1 I ME_SusPwrDnAck
INT TBD
GPA2 -
GPIO 01 GPO - +3VS GPIO2 -
EXT PU
GPA3 -
GPIO [2:5] Native - +5VS GPIO3 -
INT TBD
GPA4 O LCD_BL_PWM
GPIO 06 GPO DGPU_HPD_INTR# +3VS GPIO4 I ME_+VM_PWRGD
INT TBD
GPA5 O FAN0_PWM
GPIO 07 GPO - +3VS GPIO5 I ME_PM_SLP_LAN#
EXT PU & INT PU
GPA6 -
GPIO 08 GPI EXT_SMI# +3VSUS GPIO6 O ME_AC_PRESENT
D
EXT PU
GPA7 - D
GPIO 09 Native USB_OC5# +3VSUS GPIO7 -
EXT PU
GPB0 O SUSC_EC#
GPIO 10 Native USB_OC6# +3VSUS GPIO8 -
EXT PU
GPB1 O SUSB_EC#
GPIO 11 GPI EXT_SCI# +3VSUS GPIO9 -
EXT PU
GPB2 -
GPIO 12 Native PM_LAYPHY_EN +3VSUS GPIO10 -
GPB3 IO SMB0_CLK
GPIO 13 GPO - - +3VSUS GPIO11 -
EXT PU(DIODE DNI) +3VSUS
GPB4 IO SMB0_DAT
GPIO 14 GPO CB_SD# GPIO12 O ME_PWROK
INT PD
GPB5 O A20GATE
GPIO 15 GPO WLAN_ON +3VSUS GPIO13 -
GPB6 O RC_IN#
GPIO 16 GPO DGPU_HOLD_RST# - +3VS GPIO14 O ME_SLP_M_EC#
EXT PD & INT TBD
GPB7 O PM_RSMRST#
GPIO 17 GPO DGPU_PWROK +3VS GPIO15 -
EXT PU(DNI)/PD
GPC0 -
GPIO 18 Native CLKREQ1#_TV +3VS GPIO16 -
GPC1 IO SMB1_CLK
GPIO 19 GPO - - +3VS GPIO17 -
EXT PU(DNI)/PD
GPC2 IO SMB1_DAT
GPIO 20 Native CLKREQ2#_WLAN +3VS GPIO18 -
GPC3 O PM_PWRBTN#
GPIO 21 GPO - - +3VS GPIO19 -
EXT PD
GPC4 I AC_IN_OC#
GPIO 22 GPO WLAN_LED +3VS GPIO20 -
INT PU
GPC5 OP_SD#
GPIO 23 Native LDRQ1# +3VS GPIO21 -
GPC6 I BAT1_IN_OC#
GPIO 24 GPO - - +3VSUS GPIO22 -
EXT PU(DNI)/PD
GPC7 I RFON_SW#
GPIO 25 Native CLKREQ3#_NEWCARD +3VSUS GPIO23 -
EXT PU (Not used) +3VSUS
GPD0 -
GPIO 26 Native CLKREQ4# GPIO24 -
INT WEAK PU
GPD1 I PM_SUSC#
GPIO 27 GPO - +3VSUS GPIO25 -
C
EXT PD
GPD2 I BUF_PLT_RST# C
GPIO 28 GPO BT_LED +3VSUS GPIO26 -
GPD3 O EXT_SCI#
GPIO 29 Native ME_PM_SLP_LAN# EXT PU(DNI)/PD(DNI) +3VSUS GPIO27 -
GPD4 O EXT_SMI#
GPIO 30 Native ME_Sus_PwrDnAck EXT PU +3VSUS GPIO28 -
GPD5 O LCD_BACKOFF#
GPIO 31 Native ME_AC_PRESENT EXT PU +3VSUS GPIO29 -
GPD6 I FAN0_TACH
GPIO 32 Native PM_CLKRUN# EXT PU +3VS GPIO30 -
GPD7 -
GPIO 33 GPO - - +3VS GPIO31 -
GPE0 O VSUS_ON
GPIO 34 Native STP_PCI# - +3VS GPIO32 -
GPE1 O EGAD (IT8301 Address/Data connect)
GPIO 35 Native SATA_CLK_REQ# EXT PU/PD(DNI) +3VS GPIO33 -
GPE2 O EGCS (IT8301 Cycle Start connect)
GPIO 36 GPO DGPU_PWR_EN# EXT PU +3VS GPIO34 -
EXT PU
GPE3 O EGCLK (IT8301 Clock connect)
GPIO 37 GPI DGPU_PRSNT# +3VS GPIO35 -
EXT PD
GPE4 I PWR_SW#
GPIO 38 GPI PCB_ID0 +3VS GPIO36 -
EXT PD
GPE5 -
GPIO 39 GPI PCB_ID1 +3VS GPIO37 -
EXT PU (Not used) +3VSUS
GPE6 I LID_SW#
GPIO 40 Native USB_OC1#
EXT PU (Not used) +3VSUS
GPE7 I CAP_ACK#
GPIO 41 Native USB_OC2#
EXT PU (Not used) +3VSUS
GPF0 - SM_BUS ADDRESS :
GPIO 42 Native USB_OC3#
EXT PU (Not used) +3VSUS
GPF1 -
GPIO 43 Native USB_OC4# PCH Master
EXT PU (Not used) +3VSUS
GPF2 I EXP_GATE#
GPIO 44 Native CLK_REQ5# SM-Bus Device SM-Bus Address
EXT PU (Not used) +3VSUS
GPF3 -
GPIO 45 Native CLK_REQ6# Clock Generator(ICS9LPR362) 1101001x ( D2 )
EXT PU (Not used) +3VSUS
GPF4 I TP_CLK
B GPIO 46 Native CLK_REQ7# SO-DIMM 0 1010000x ( A0 ) B
EXT PD
GPF5 IO TP_DAT
GPIO 47 Native CLKREQ_PEG# +3VSUS SO-DIMM 1 1010001x ( A2 )
GPF6 O THRO_CPU
GPIO 48 GPO - - +3VS VID Controller(ASM8272) 0011011x ( 36 )
GPF7 -
GPIO 49 GPO GPU_RST# - +3VS WiFi/WiMax N/A
EXT PU (Not used) +5VS
GPG0 -
GPIO 50 Native PCI_REQ1# EC Master (SMB1)
INT PU
GPG1 I PM_SUSB#
GPIO 51 Native PCI_GNT1# +3VS SM-Bus Device SM-Bus Address
GPG2 -
GPIO 52 GPO - - +5VS CPU Thermal Sensor(G780) 1001100x ( 98 )
INT PU
GPG6 -
GPIO 53 GPO - +3VS VGA Thermal IC(G781-1) 1001101x ( 9A )
GPH0 IO PM_CLKRUN#
GPIO 54 GPO - - +5VS
INT PU
GPH1 -
GPIO 55 GPO - +3VS
GPH2 O GFX_VR_ON PCIE 1 Minicard TV Tuner USB 0 USB Port (1)
GPIO 56 Native CLKREQ_GLAN# EXT PU(DNI)/PD +3VSUS
GPH3 O BAT_LEARN PCIE 2 Minicard WLAN USB 1 USB Port (2)
GPIO 57 GPO BT_ON EXT PU(DIODE) +3VSUS
GPH4 - PCIE 3 Newcard USB 2 USB Port (3)
GPIO 58 Native SML1_CLK EXT PU +3VSUS
GPH5 O NUM_LED# PCIE 4 USB 3 USB Port (4)
GPIO 59 Native USB_OC0# EXT PU (Not used) +3VSUS
GPH6 O CAP_LED# PCIE 5 ESATA (for pre-ES1) USB 4 CMOS Camera
GPIO 60 GPO - - +3VSUS
GPI0 - PCIE 6 GLAN USB 5 NewCard
GPIO 61 Native PM_SUS_STAT# - +3VSUS
GPI1 I SUS_PWRGD PCIE 7 USB 6 Minicard TV Tuner
GPIO 62 Native SUS_CLK - +3VSUS
GPI2 I ALL_SYSTEM_PWRGD PCIE 8 USB 7
GPIO 63 Native PM_SLP_S5# - +3VSUS
GPI3 I VRM_PWRGD USB 8
GPIO 64 Native CLK_OUT0 INT TBD +3VS
GPI4 I GFX_VR USB 9 WLAN
A
GPIO 65 Native CLK_OUT1 INT TBD +3VS A
GPI5 I ALS_AD SATA 0 SATA HDD (1) USB 10
GPIO 66 Native CLK_OUT2 INT TBD +3VS
GPI6 - SATA1 SATA ODD USB 11
GPIO 67 Native CLK_OUT3 INT TBD +3VS
GPI7 - SATA4 SATA HDD (2) USB 12 Bluetooth
GPIO 72 GPO - - +3VSUS
GPJ0 O CPU_VRON SATA5 ESATA USB 13 Finger Printer
GPIO 73 Native CLK_REQ0# EXT PU (Not used) +3VSUS
EXT PU (Not used) +3VSUS
GPJ1 O PM_PWROK
GPIO 74 GPO -
GPJ2 O VSET_EC Title : System Setting
GPIO 75 Native SML1_DATA EXT PU +3VSUS
GPJ3 O ISET_EC ASUSTeK COMPUTER INC. NB4 Engineer: CH_Lin
Size Project Name
GPJ4 O TP_LED Rev
C M60JV 1.01
GPJ5 - Date: Thursday, November 12, 2009 Sheet 2 of 96
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U0301A
B26 PEG_IRCOMP_R R0301 1 1% 2 49.9Ohm
(22) DMI_TXN0 A24
PEG_ICOMPI
PEG_ICOMPO
A26
B27
Main Board
DMI_RX#[0] PEG_RCOMPO EXP_RBIAS R0302 1%
(22) DMI_TXN1 C23 A25 1 2 750Ohm
DMI_RX#[1] PEG_RBIAS
(22) DMI_TXN2 B22 PCIENB_RXN[15:0] (75)
DMI_RX#[2] PCIENB_RXN15
(22) DMI_TXN3 A21 K35
DMI_RX#[3] PEG_RX#[0] PCIENB_RXN14
J34
PEG_RX#[1] PCIENB_RXN13
(22) DMI_TXP0 B24 J33
DMI_RX[0] PEG_RX#[2] PCIENB_RXN12
(22) DMI_TXP1 D23 G35
DMI_RX[1] PEG_RX#[3]
DMI
DMI
(22) DMI_TXP2 B23 G32 PCIENB_RXN11
DMI_RX[2] PEG_RX#[4] PCIENB_RXN10
(22) DMI_TXP3 A22 F34
DMI_RX[3] PEG_RX#[5] PCIENB_RXN9
F31
PEG_RX#[6] PCIENB_RXN8
(22) DMI_RXN0 D24
DMI_TX#[0] PEG_RX#[7]
D35 R0370,R0371,R0372 near U0301
(22) DMI_RXN1 G24 E33 PCIENB_RXN7
DMI_TX#[1] PEG_RX#[8] PCIENB_RXN6 U0301B
(22) DMI_RXN2 F23 C33
DMI_TX#[2] PEG_RX#[9] PCIENB_RXN5 R0303 1%
(22) DMI_RXN3 H23 D32 2 1 20Ohm H_COMP3 AT23
D DMI_TX#[3] PEG_RX#[10] PCIENB_RXN4 COMP3 D
B32 A16 BCLK_CPU_P_PCH (25)
PEG_RX#[11] BCLK
MISC
(22) DMI_RXP0 D25 C31 PCIENB_RXN3 R0304 2 1% 1 20Ohm H_COMP2 AT24 B16
DMI_TX[0] PEG_RX#[12] COMP2 BCLK# BCLK_CPU_N_PCH (25)
(22) DMI_RXP1 F24 B28 PCIENB_RXN2
DMI_TX[1] PEG_RX#[13] PCIENB_RXN1 1 49.9Ohm H_COMP1
CLOCKS
(22) DMI_RXP2 E23 B30 R0305 2 1% G16 AR30
DMI_TX[2] PEG_RX#[14] COMP1 BCLK_ITP CLK_ITP_BCLK (7)
(22) DMI_RXP3 G23 A31 PCIENB_RXN0 AT30
DMI_TX[3] PEG_RX#[15] BCLK_ITP# CLK_ITP_BCLK# (7)
PCIENB_RXP[15:0] (75) R0306 2 1% 1 49.9Ohm H_COMP0 AT26
PCIENB_RXP15 COMP0
J35 E16 CLK_DMI_PCH (21)
PEG_RX[0] PCIENB_RXP14 PEG_CLK
H34 D16 CLK_DMI#_PCH (21)
PEG_RX[1] PCIENB_RXP13 +VTT_CPU PEG_CLK#
(22) FDI_TXN[7:0] H33 T0301 1TP_SKTOCC# AH24
FDI_TXN0 PEG_RX[2] PCIENB_RXP12 SKTOCC#
E22 F35 A18 CLKDREF R0366 2 1 1KOhm
FDI_TXN1 FDI_TX#[0] PEG_RX[3] PCIENB_RXP11 DPLL_REF_SSCLK
D21 G33 For EC request, to read PECI via EC. A17 CLKDREF# R0367 2 1 1KOhm
FDI_TXN2 FDI_TX#[1] PEG_RX[4] PCIENB_RXP10 DPLL_REF_SSCLK#
D19 E34 R0307 2 1% 1 49.9Ohm H_CATERR# AK14
FDI_TX#[2] PEG_RX[5] Connection: R0317.2-->Q0301.1-->U3001.118 CATERR#
THERMAL
FDI_TXN3 D18 F32 PCIENB_RXP9
FDI_TXN4 FDI_TX#[3] PEG_RX[6] PCIENB_RXP8
G21 D34
FDI_TXN5 FDI_TX#[4] PEG_RX[7] PCIENB_RXP7
E19 F33 F6 M_DRAMRST# (16,17)
PCI EXPRESS -- GRAPHICS
FDI_TXN6 FDI_TX#[5] PEG_RX[8] PCIENB_RXP6 SM_DRAMRST#
F21 B33 (25) H_PECI AT15
FDI_TX#[6] PEG_RX[9] PECI
Intel(R) FDI
Intel(R) FDI
FDI_TXN7 G18 D31 PCIENB_RXP5 AL1 SM_RCOMP0 R0331 1 1% 2 100Ohm
FDI_TX#[7] PEG_RX[10] PCIENB_RXP4 SM_RCOMP[0]
A32 AM1 SM_RCOMP1 R0332 1 1% 2 24.9Ohm
PEG_RX[11] PCIENB_RXP3 SM_RCOMP[1]
(22) FDI_TXP[7:0] C30 AN1 SM_RCOMP2 R0333 1 1% 2 130Ohm
FDI_TXP0 PEG_RX[12] PCIENB_RXP2 H_PROCHOT_S# SM_RCOMP[2]
D22 A28 AN26
FDI_TXP1 FDI_TX[0] PEG_RX[13] PCIENB_RXP1 PROCHOT#
C21 B29 AN15 PM_EXTTS#0 (16,17)
FDI_TX[1] PEG_RX[14] PM_EXT_TS#[0]
DDR3
MISC
FDI_TXP2 D20 A30 PCIENB_RXP0 AP15 PM_EXTTS#1
FDI_TXP3 FDI_TX[2] PEG_RX[15] PM_EXT_TS#[1]
C18 PCIEG_RXN[15:0] (75)
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