Service Manuals, User Guides, Schematic Diagrams or docs for : asus Asus K42F_R2.0
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5 4 3 2 1
K42F SCHEMATIC For BOM Rev1.0 Power
VCORE
Page 80
System
D D
Page 81
BLOCK DIAGRAM 1.5VS & 1.05VS
Page 82
DDR & VTT
Page 83
HDMI
HDMI
DDR3 800/1066MHz +2.5VS
AMD PARK-XT-S3
PCIE x16 CPU DDR3 SO-DIMM
ARRANDALE Page 84
Page 16~18
CRT
CRT LVDS Page 70 Charger
Page 3~6
NV_DQ ONFI Page 86
LVDS
FDI x8 DMI x4 Braidwood Detect
LCD Panel Page 67
Page 90
CRT
9 Load Switch
MiniCard Page 91
C
2 WLAN C
Shirley Peak/ Echo Peak
Page 53 Power Protect
Page 92
1
Debug Conn. PCIE x1 MiniCard R1.1,removed.
Touchpad LPC PCH TV Tuner ESATA controller
EC 5 Page 64 PRE-ES1 SATA solution
IT8500E-L
Ibex Peak-M Remove when fixed.
6 Page 66
Keyboard GigaLAN RJ45
USB
HANKSVILLE Page 34
SPI ROM Page 33
Page 20~28
3
5 ExpressCard
Page 43
Page 45
SATA
4
B
R1.1,added.
CMOS Camera B
INT. MIC
Azalia 0 Page 45
Page 45 USB Port(1)
Page 35 1
ODD
Page 65 6 MiniCard
Audio Amp 1 TV Tuner
Page 36
Azalia Codec Page 51 USB Port(2) Page 64
Realtek ALC269 0 Page 65
Jack HDD(1) 2 12 Bluetooth
Page 65
Page 36
Page 51 USB Port(3) 1.1
4 Page 52 Page 61
HDD(2) 3 13 Finger Print
1394
CardReader+1394 PCIE Page 51 USB Port(4) 1.1
Page 40 5 Page 52 Page 31
Ricoh R5U230 eSATA 10 8
Cardreader Page 40 Page 66 NC 3G NC OLED
Page 40 Page 68
Page 53
11
NC USB Port(5)
A
VID controller Discharge Circuit DC & BATT. Conn. Page 45
A
Clock Generator Page 19 Page 57 Page 60
ICS ICS9LPR362 PWM Fan Reset Circuit Skew Holes
Page 29 Page 50 Page 32 Page 65
Title : Block Diagram
ASUSTeK COMPUTER INC. NB4 Engineer: Modim Zhang
Size Project Name Rev
C K42F 1.0
Date: Tuesday, November 10, 2009 Sheet 1 of 59
5 4 3 2 1
5 4 3 2 1
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#
GPF1 -
GPIO 43 Native USB_OC4# EXT PU (Not used) +3VSUS PCH Master
GPF2 I EXP_GATE#
GPIO 44 Native CLK_REQ5# EXT PU (Not used) +3VSUS SM-Bus Device SM-Bus Address
GPF3 -
GPIO 45 Native CLK_REQ6# EXT PU (Not used) +3VSUS Clock Generator(ICS9LPR362) 1101001x ( D2 )
GPF4 I TP_CLK
B GPIO 46 Native CLK_REQ7# EXT PU (Not used) +3VSUS SO-DIMM 0 1010000x ( A0 ) B
GPF5 IO TP_DAT
GPIO 47 Native CLKREQ_PEG# EXT PD +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
GPG0 -
GPIO 50 Native PCI_REQ1# EXT PU (Not used) +5VS EC Master (SMB1)
GPG1 I PM_SUSB#
GPIO 51 Native PCI_GNT1# INT PU +3VS SM-Bus Device SM-Bus Address
GPG2 -
GPIO 52 GPO - - +5VS CPU Thermal Sensor(G780) 1001100x ( 98 )
GPG6 -
GPIO 53 GPO - INT PU +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 - Title : System Setting
GPJ2 O VSET_EC
GPIO 75 Native SML1_DATA EXT PU +3VSUS Engineer: Modim Zhang
GPJ3 O ISET_EC ASUSTeK COMPUTER INC. NB4
Size Project Name Rev
GPJ4 O TP_LED C K42F 1.0
GPJ5 - Date: Tuesday, November 10, 2009 Sheet 2 of 59
5 4 3 2 1
5 4 3 2 1
U0301A
B26 PEG_IRCOMP_R R0301 1 1% 2 49.9Ohm
14 DMI_TXN0 A24
PEG_ICOMPI
PEG_ICOMPO A26
B27
Main Board
DMI_RX#[0] PEG_RCOMPO
14 DMI_TXN1 C23 DMI_RX#[1] PEG_RBIAS A25 EXP_RBIAS R0302 1 1% 2 750Ohm
14 DMI_TXN2 B22 DMI_RX#[2]
14 DMI_TXN3 A21 DMI_RX#[3] PEG_RX#[0] K35
PEG_RX#[1] J34
14 DMI_TXP0 B24 DMI_RX[0] PEG_RX#[2] J33
14 DMI_TXP1 D23 DMI_RX[1] PEG_RX#[3] G35
DMI
DMI
14 DMI_TXP2 B23 DMI_RX[2] PEG_RX#[4] G32
14 DMI_TXP3 A22 DMI_RX[3] PEG_RX#[5] F34
PEG_RX#[6] F31
14 DMI_RXN0 D24 DMI_TX#[0] PEG_RX#[7] D35 R0370,R0371,R0372 near U0301
14 DMI_RXN1 G24 DMI_TX#[1] PEG_RX#[8] E33
14 DMI_RXN2 F23 C33 U0301B
DMI_TX#[2] PEG_RX#[9] R0303 1% H_COMP3
D 14 DMI_RXN3 H23 DMI_TX#[3] PEG_RX#[10] D32 2 1 20Ohm AT23 COMP3 D
PEG_RX#[11] B32 BCLK A16 BCLK_CPU_P_PCH 17
MISC
14 DMI_RXP0 D25 C31 R0304 2 1% 1 20Ohm H_COMP2 AT24 B16
DMI_TX[0] PEG_RX#[12] COMP2 BCLK# BCLK_CPU_N_PCH 17
14 DMI_RXP1 F24 DMI_TX[1] PEG_RX#[13] B28
1 49.9Ohm H_COMP1
CLOCKS
14 DMI_RXP2 E23 B30 R0305 2 1% G16 AR30
DMI_TX[2] PEG_RX#[14] COMP1 BCLK_ITP CLK_ITP_BCLK 7
14 DMI_RXP3 G23 DMI_TX[3] PEG_RX#[15] A31 BCLK_ITP# AT30 CLK_ITP_BCLK# 7
R0306 2 1% 1 49.9Ohm H_COMP0 AT26 COMP0
PEG_RX[0] J35 PEG_CLK E16 CLK_DMI_PCH 13
PEG_RX[1] H34 PEG_CLK# D16 CLK_DMI#_PCH 13
H33 +VTT_CPU T0301 1TP_SKTOCC# AH24
14 FDI_TXN[7:0] PEG_RX[2] SKTOCC#
FDI_TXN0 E22 F35 A18 CLKDREF R0366 2 1 1KOhm
FDI_TXN1 FDI_TX#[0] PEG_RX[3] DPLL_REF_SSCLK CLKDREF# R0367 2
D21 FDI_TX#[1] PEG_RX[4] G33 For EC request, to read PECI via EC. DPLL_REF_SSCLK# A17 1 1KOhm
FDI_TXN2 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
FDI_TXN4 FDI_TX#[3] PEG_RX[6]
G21 FDI_TX#[4] PEG_RX[7] D34
FDI_TXN5 E19 F33 F6
PCI EXPRESS -- GRAPHICS
FDI_TX#[5] PEG_RX[8] SM_DRAMRST# M_DRAMRST# 8,9
FDI_TXN6 F21 B33 AT15
FDI_TX#[6] PEG_RX[9] 17 H_PECI PECI
Intel(R) FDI
Intel(R) FDI
FDI_TXN7 G18 D31 AL1 SM_RCOMP0 R0331 1 1% 2 100Ohm
FDI_TX#[7] PEG_RX[10] SM_RCOMP[0]
PEG_RX[11] A32 SM_RCOMP[1] AM1 SM_RCOMP1 R0332 1 1% 2 24.9Ohm
14 FDI_TXP[7:0] PEG_RX[12] C30 SM_RCOMP[2] AN1 SM_RCOMP2 R0333 1 1% 2 130Ohm
FDI_TXP0 D22 A28 H_PROCHOT_S# AN26
FDI_TXP1 FDI_TX[0] PEG_RX[13] PROCHOT#
C21 FDI_TX[1] PEG_RX[14] B29 PM_EXT_TS#[0] AN15 PM_EXTTS#0 8,9
DDR3
MISC
FDI_TXP2 D20 A30 AP15 PM_EXTTS#1
FDI_TXP3 FDI_TX[2] PEG_RX[15] PM_EXT_TS#[1]
C18 FDI_TX[3]
FDI_TXP4 G22 L33 AK15 +VTT_CPU 5 RN0301C
FDI_TX[4] PEG_TX#[0] 24 H_THRMTRIP# THERMTRIP# 10KOhm 6
FDI_TXP5 E20 M35 RN0301A 2 10KOhm 1 7 RN0301D
FDI_TX[5] PEG_TX#[1] 10KOhm 8
FDI_TXP6 F20 M33 RN0301B 4 10KOhm 3
FDI_TXP7 FDI_TX[6] PEG_TX#[2]
G19 FDI_TX[7] PEG_TX#[3] M30 PRDY# AT28 XDP_PRDY# 7
PEG_TX#[4] L31 PREQ# AP27 XDP_PREQ# 7 IPU
14 FDI_FSYNC0 F17 FDI_FSYNC[0] PEG_TX#[5] K32
14 FDI_FSYNC1 E17 FDI_FSYNC[1] PEG_TX#[6] M29 TCK AN28 XDP_TCLK 7 IPU
PEG_TX#[7] J31 ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo