1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
RTCRST# delay 18-25ms
1
1
PROTO1
1
0
BID3 BID2 BID1 BID0
0
1
Proto 5
10
0
1 PROTO2
0
PROTO4
00
0
0
PROTO3
0
0
0
0
Pre-QT
0110
0
Board Revision
PROTO4.5
1110
1000
Proto 5.5
1001 QT (A00)
10 01 A01
For BID
For signal
tuning
Reserved for
IMVP_PWRGD
Reserved for power
management state
Reserved for
power filter
For the option
to manually
set VBIAS, but
not needed
anymore
Termination
used
For signal
tuning
Termination
used
For signal
tuning
Reserved for wake up
on Modem ring
See ICH4 EDS
Table 2-20
10 11 A00 (J3A)
JM2 J3A
ICH4-M (USB,HUB,LPC)
10 51Tuesday, August 12, 2003
Title
Size Document Number Rev
Date: Sheet
of
QUANTA
COMPUTER
Proprietary Note: This sheet of engineering
drawings and specifications contains
Confidential, Trade Secret and other Proprietary
information of Dell Computer Corporation
("Dell"). This document may not be transferred
or copied without the express written
authorization of Dell. In addition, neither this
sheet nor the information it contains may be
used by or disclosed to any third party without
Dell's express written consent."
R_3VRTC
PCLK_SMB
PDAT_SMB
RI_OUT#
ICH_RI#
BATLOW#
VCORE_PWRGOOD_D
IAC_SDATAO
IAC_SDATAO
ICH_RI#
RI_OUT#
THRM#
DELAY_IMVP_PWRGD
SUSPWROK
OC0#
HUBREF
EXT_SMI#
LPC_DRQ1#
OC3#
HL5
HL7
HL8
HL9
HL10
LPC_DRQ0#
VBIAS
ICH_RI#
RTCRST#
BATLOW#
CLK_32KX1
DELAY_IMVP_PWRGD
THRM#
VCORE_PWRGOOD_D
RTCRST# BID3
HL2
HL4
VBIAS
HL3
LAN_RST#
OC5#
EXT_SCI#
BID0
BID3
OC2#
OC1#
HUB_ICH_RCOMP
SSMUXSEL
BID1
BID2
HL0
DPRSLPVR
OC4#
CLK_32KX2
SUS_STAT#
MPCIACT#
SYS_RESET#
EXT_WAK#
SUSPWROK
IAC_BITCLK_ICH
BID0
BID2
BID1
HL6
CPUPERF#
HL1
VCCRTC
OC0#
OC1#
OC2#
OC3#
OC4#
OC5#
LAN_RST#
SLP_S1#_G
SLP_S3#
SYS_RESET#
DELAY_IMVP_PWRGD
D_3VRTC
VCCRTC
VCCRTC
CPUPERF#
VBIAS
IAC_SDATAO
CLK_32KX2
CLK_32KX1
CLK_32KX1
IAC_SYNC
IAC_SYNC
IAC_SDATAIN1
+3VSUS
+3VSUS
+3VSUS
+3VRUN
+3VSUS
+3VSUS
+3VRUN
+3VRUN
+3VSUS
+RTC_PWR3_3V
+3VSUS
+3VSUS
VTT
T131PAD
R1126 0
U83
7SH86_NC
1
2
4
53
R883 10K
R643 37.4/F
C1165
.01U
T199PAD
R659
100K
C1159
15P
C1160
15P
T146 PAD
T126PAD
T153PAD
R1127 0
C1170
10P
C1743
10P_NC
T122PAD
R634
10K_NC
1 2
R648 47
C1156 .047U
R629
10K
1 2
R1130
47_NC
1 2
T150PAD
C1173
.1U
T147PAD
T124 PAD
R655 8.2K
C1741
NC
T132PAD
R888 0_NC
R649 100K
T128PAD
T120 PAD
R892 0_NC
USB
HUB LINK
LPC&FWH
AC97&RTC
SM
PM
MISC&GPIO
SpeedStep
LAN
U81B
ICH4
J20
G22
F20
G20
F21
H20
C20
D20
B15
C18
D18
A15
C16
D16
A14
F19
F23
H22
G23
H21
F22
E23
A21
B21
C14
A19
B19
B14
A17
B17
A23
L19
L20
M19
M21
P19
R19
P21
N20
T21
T20
R20
P23
L22
N22
R23
M23
R22
T2
R4
T4
U2 T5
U3
U4
C13
C9
B8
D13
A13
D9
AB5
Y6
AC7
AC6
W7
AC4
AB4
W6
AA5
AB6
AA1
Y3
Y1
V1
R2
AB2
W18
Y4
AA2
AA4
AB3
W19
Y21
J23
AC3
AB1
H23
R3
V4
V5
W3
V2
W1
W4
T3
V20
Y20
Y23
J21
V19
C11
B11
A10
A9
A11
B10
C10
A12
D10
D11
A8
C12
B23
K21
Y2
Y5
W20
B13
AA6
D14
GPIO32
GPIO33
GPIO34
GPIO35
GPIO36
GPIO37
USBP0P
USBP0N
OC0#
USBP2P
USBP2N
OC2#
USBP4P
USBP4N
OC4#
CLK48
GPIO38
GPIO39
GPIO40
GPIO41
GPIO42
GPIO43
USBP1P
USBP1N
OC1#
USBP3P
USBP3N
OC3#
USBP5P
USBP5N
USBRBIAS
HI0
HI1
HI2
HI3
HI4
HI5
HL_STB/HL_STBS
HL_STB#/HLSTBF
HI_CLK
HI6
HI7
HI8
HI9
HI10
HUB_RCOMP
HI_REF
HI_VSWING
LAD0/FWH0
LAD1/FWH1
LAD2/FWH2
LAD3/FWH3 LFRAME#/FWH4
LDRQ0#
LDRQ1#
AC_RST#
AC_SYNC
AC_BITCLK
AC_SDIN0
AC_SDIN1
AC_SDOUT
VCCRTC
VBIAS
RTCX1
RTCX2
RTCRST#
SMBCLK
SMBDATA
INTRUDER#
SMBALERT#/GPIO11
PWROK
PWRBTN#
SYS_RESET#
RI#
THRM#
AGPBUSY#/GPIO6
BATLOW#
SLP_S1#/GPIO19
SLP_S3#
SLP_S5#
SUSCLK
SUS_STAT#/LPCPD#
STP_CPU#/GPIO20
STP_PCI#/GPIO18
CLK14
SMLINK0
SMLINK1
SPKR
GPIO7
GPIO8
GPIO12
GPIO13
GPIO25
GPIO27
GPIO28
C3_STAT#/GPIO21
DPRSLPVR
CPUPERF#/GPIO22
CPUPWRGD
SSMUXSEL/GPIO23
VGATE/VRMPWRGD
LAN_CLK
LAN_RSTSYNC
LAN_RXD0
LAN_RXD1
LAN_RXD2
LAN_TXD0
LAN_TXD1
LAN_TXD2
EE_CS
EE_DIN
EE_DOUT
EE_SHCLK
USBRBIAS#
HI11
SLP_S4#
LAN_RST#
THRMTRIP#
AC_SDIN2
RSMRST#
OC5#
R638
10M
1 2
C1171
.1U
T154PAD
U112
7SH08
2
1
4
5
R633 19.1/FK
12
R631
10K
1 2
RP109
10P8R-10K
10
9
8
7
6
1
2
3
4
5
R1069
2.4M/F_NC
1 2
W2
32.768KHZ
14
23
R650 10K
R658
1K_NC
R627
10M
1 2
R651
47_NC
1 2
C1744
NC
R656 100K
R647 33
T123PAD
R931 8.2K
R636
10K_NC
1 2
T151PAD
R640
10
1 2
R652
33
1 2
C1164
.01U
T192 PAD
T155PAD
R1068
1K_NC
1 2
T127 PAD
C1742
10P_NC
R654 10K_NC
T148PAD
C1517
.047U
U82A
7WZ14
1 6
5
R632
10K
1 2
R645
22
1 2
T133PAD
T200PAD
C1167
.1U
R637
10K_NC
1 2
T130PAD
C1161
10P
R657 100K
C1166
5P
C1157
2.2U_10V_NC
RP106
8P4R-10K
1 2
3 4
5 6
7 8
C1172
.1U_NC
C1158
1U_16V
RP105
4P2R-S-1K/F
2
4
1
3
T193 PAD
T125PAD
T152PAD
RP108
8P4R-10K
1 2
3 4
5 6
7 8
U82B
7WZ14
3 4
5
T144 PAD
D88
RB751V
2 1
T129 PAD
R630
10K_NC
1 2
T134PAD
R653 68
C1749
22P_NC
R639 22.6/F
12
R635
10K
1 2
T149PAD
C1168
1U_16V
R934 56
T145PAD
D43
RB751V
2 1
C1169
22P_NC
R1067
22M_NC
1 2
CPUPWRGD4
HL[0..10]7
HL[0..10] 7
HLSTB#7
HLSTB7
VCORE_PWRGOOD40,43
LAD3/FWH325
LAD1/FWH125
LAD2/FWH225
LAD0/FWH025
LPC_DRQ0# 26
LPC_DRQ1# 25
LFRAME#/FWH4 25
PCLK_SMB12,14,23,35
PDAT_SMB12,14,23,35
SLP_S1#_G
SLP_S5# 25
SLP_S3# 25
SUSCLK 22
SUS_STAT# 15
STP_PCI# 14
STP_CPU# 14,43
THRM#25
DELAY_IMVP_PWRGD40
AGP_BUSY#15
STP_AGP#15
SPKR33
ICH4_GPIO79
EXT_SMI#25
EXT_WAK# 25
EXT_SCI# 25
OC2#31
USB_VD2+31
USB_VD4+20
USB_VD5- 39
RI0#25,27
RI_OUT#22
IAC_RESET#24,33
CLK66_ICH14
USB_VD5+ 39
USB_VD2-31
IAC_SDATAIN033
14M_ICH14
USB_VD4-20
IAC_SDATAIN124
DPRSLPVR43
THERMTRIP#4
INTRUDER# 32
SLP_S1# 14
HUBREF 7
USB_VD0+31
USB_VD0-31
OC0#31
USB_VD1+ 30
USB_VD1- 30
SUSPWROK22,40
IAC_BITCLK_ICH33
PDAT_SMB12,14,23,35
PCLK_SMB12,14,23,35
IAC_SDATAO_MDC 24
IAC_SDATAO_AUDIO 33
CLK48_USB14
IAC_SYNC_AUDIO33
IAC_SYNC_MDC24
PWRBTN#25