Design Guide
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
Value for C7Y1, C7J4 depends on Xtal
CMOS Settings
Clear CMOS
Keep CMOS
RTC_RST#
delay
18-25ms
J2J3
SHUNT
OPEN
Layout: Route
USB_RBIAS/RBIAS#
Differentially
Default: 2-3 for CRB
CRB/SV Detect
Function
Reserved
STUFF for A16 swap override
R6V2
R7V7
NO STUFF
STUFF for safe mode
NO STUFF
NO STUFF
Safe Mode Boot
Board Default
STUFF for No Reboot
STUFF
ICH4M Strapping Options
R7V8
R7V9
NO STUFF
No Reboot
A16 swap override
Optional Override
RTC Circuitry
4.401
ICH4-M (2 of 3)
A
19 50Monday, September 15, 2003
Intel 855GM/GME CRB
<Doc>
Title
Size Document Number Rev
Date: Sheet
of
Project:
RTC_RST#
V_RTCBATT
V_RTCBATT_D
AC_SDATAOUT
AC_SPKR
CRB_DET#_D
SUS_CLK
SLP_S1#_D
PM_SLP_S3#
TP_GPIO43_D
IDE_SDD11
IDE_SDD5
IDE_PDD13
IDE_PDD7
GPIO13
GPIO41
IDE_SDD3
IDE_SDD0
IDE_PDD14
GPIO8
TP_USB_PP5
RTC_VBIAS
RTC_VBIAS
IDE_SDD7
IDE_SDD2
IDE_PDD8
SLP_S1#
GPIO37
IDE_PDD3
GPIO42
IDE_SDD15
IDE_SDD10
IDE_PDD10
GPIO25
GPIO35
IDE_PDD9
IDE_PDD0
GPIO43
GPIO39
IDE_SDD14
IDE_SDD13
IDE_SDD12
IDE_PDD15
IDE_PDD2
GPIO12
GPIO33
RTC_RST#
IDE_PDD12
IDE_PDD11
GPIO27
GPIO40
IDE_SDD6
IDE_SDD4
IDE_SDD1
IDE_PDD4
USB_RBIAS
IDE_SDD8
GPIO38
TP_USB_PN5#
IDE_PDD5
RTC_X1
RTC_RST#
IDE_PDD6
IDE_PDD1
GPIO7
GPIO36
ACSYNC_D
IDE_SDD9
GPIO32
RTC_X2
RTC_X2
RTC_X1
GPIO34
CRB_DET#
ICH_DRQ#0
IDE_SDD[15:0] 26
PM_CLKRUN#21..24,32,34,37
USB_PN429
USB_PP128
USB_PP429
USB_PN128
USB_PP028
LPC_AD031..34,37
USB_PN228
LPC_AD131..34,37
LPC_AD231..34,37
LPC_AD331..34,37
USB_PP228
USB_PP329
USB_PN329
ICH_MFG_MODE 37
IDE_PIORDY 26
IDE_SIORDY 26
CLK_ICH14 6
CLK_ICH48 6
SMC_RUNTIME_SCI# 32,36,37
SMC_EXTSMI# 32,34,36,37
SMC_WAKE_SCI# 32,36,37
IDE_PDDREQ 26
IDE_SDDREQ 26
ICH_GPIO7 37
PM_RI#21,35,37
PM_RSMRST#21,32,37
PM_PWROK21,25,32,37,39
PM_BATLOW#32,36,37
AGP_BUSY#7
PM_PWRBTN#32,37
IDE_PATADET26,37
ICH_FAB_REV021
IDE_SATADET26,37
ICH_FAB_REV121
ICH_FAB_REV221
USB_OC2#28
USB_OC0#28
USB_OC1#28
USB_OC5#29
USB_OC3#29
USB_OC4#29
LPC_DRQ#137
AC_SDATAIN027
AC_SDATAIN127
DELAYED_VR_PWRGD37,39
PM_THRM#5,21,32,37
AC_BITCLK27
PM_SYSRST#45
IDE_SDIOW# 26
IDE_PDCS3# 26
IDE_PDA2 26
IDE_PDIOR# 26
IDE_SDA1 26
IDE_SDCS1# 26
IDE_SDIOR# 26
IDE_SDCS3# 26
IDE_SDA0 26
IDE_SDA2 26
IDE_PDDACK# 26
IDE_SDDACK# 26
IDE_PDA1 26
IDE_PDA0 26
IDE_PDIOW# 26
IDE_PDCS1# 26
PM_C3_STAT#37
PM_DPRSLPVR37,39
AGP_SUSPEND#37
FWH_WP#31,37
SER_EN35
FWH_TBL#31,37
KSC_VPPEN#33
LPC_FRAME#31..34,37
AC_SYNC27
AC_SDATAOUT27
AC_RST#27
PM_SLP_S5#37,38
PM_GMUXSEL37
PM_STPPCI#6,37
PM_SUS_STAT#32,34,37
PM_CPUPERF#37
PM_STPCPU#6,37,39
PM_SLP_S4#20,32,37,38,44,45
AC_SDATAIN227
EEP_DOUT 18
PCI_GNTA# 18,22,23
IDE_PDD[15:0] 26
PCI_NOGO23
AUDIO_PWRDN 27
+V3.3ALWAYS5,15,20..23,27..29,32,36..39,45
PM_SLP_S1#6,37,38,45
+V3.3 15,18,20,23,27,30,32,35,37,38,44,45
SUS_CLK33,37
+V3.3S_ICH37
PM_THRMTRIP# 3
+VCCP3..5,9,18,20,40,42,46
PM_SUS_CLK 15,37
+V1.5S4,9,15,20,45,46
USB_PN028
AC_SPKR 27
PM_SLP_S3#25,32,37,38,44,45
+V3.3ALWAYS
5,15,20..23,27..29,32,36..39,45
LPC_DRQ#037
SIO_DRQ#034
+V3.3ALWAYS
5,15,20..23,27..29,32,36..39,45
+V_RTC20,21
C2J2
0.1UF
J2J3
1 2
R7V6 33
C2F7
0.047UF
R8J17
10K
R6H4
56
R7V8
NO_STUFF_1K
U8G2
74AHC1G08
1
2
4
53
R7W1 0
R6G3
22.6_1%
C7Y2
1UF
R6W1 0
R8H1
1K
R6W6 0
R6H5 56
R2J5 180K
C7Y1 10pF
R6V1 0
R7F9 0
R7J1
10M
CR2G1
BAT54
1 3
R6F26 0
R6F27 0
R6J3 0
C7J4 10pF
U2G1
74AHC1G08
1
2
4
53
R6W7 0
R2F10
1K
IDE
I/F
Misc
IST
PART B
USB
I/F
Clocks
LPC
I/F
Power
Management
ICH4-M
AC'97
I/F
Unmuxed
GPIO
GPIO
U7G2B
ICH4-M
R2
Y3
AB2
T3
AC2
V20
AA1
AB6
Y1
AA6
W18
Y4
AA2
W19
Y21
AA4
AB3
V1
J21
Y20
V19
B8
C13
D13
A13
D9
C9
T2
R4
T4
U2
U3
U4
T5
C20
A21
C18
A19
C16
A17
D20
B21
D18
B19
D16
B17
B15
C14
A15
B14
A14
D14
J20
G22
F20
G20
F21
H20
F23
H22
G23
H21
F22
E23
B23
R3
V4
V5
W3
V2
W1
W4
Y13
AB14
AB21
AC22
AA13
AB13
W13
AA20
AC20
AC21
AB11
AC11
Y10
AA10
AA7
AB8
Y8
AA8
AB9
Y9
AC9
W9
AB10
W10
W11
Y11
W17
AB17
W16
AC16
W15
AB15
W14
AA14
Y14
AC15
AA15
Y15
AB16
Y16
AA17
Y17
Y12
AB19
AA11
AB18
AC12
Y18
W12
AA18
AB12
AC19
J23
F19
W7
AC7
AC6
Y6
H23
A23
B13
W20
Y2
PM_AGPBUSY#/GPIO6
PM_SYSRST#
PM_BATLOW#
PM_C3_STAT#/GPIO21
PM_CLKRUN#/GPIO24
PM_DPRSLPVR
PM_PWRBTN#
PM_PWROK
PM_RI#
PM_RSMRST#
PM_SLP_S1#/GPIO19
PM_SLP_S3#
PM_SLP_S5#
PM_STPCPU#/GPIO20
PM_STPPCI#/GPIO18
PM_SUS_CLK
PM_SUS_STAT#/LPCPD#
PM_THRM#
PM_GMUXSEL/GPIO23
PM_CPUPERF#/GPIO22
PM_VGATE/VRMPWRGD
AC_BITCLK
AC_RST#
AC_SDATAIN0
AC_SDATAIN1
AC_SDATAOUT
AC_SYNC
LPC_AD0
LPC_AD1
LPC_AD2
LPC_AD3
LPC_DRQ0#
LPC_DRQ1#
LPC_FRAME#
USB_PP0
USB_PP1
USB_PP2
USB_PP3
USB_PP4
USB_PP5
USB_PN0#
USB_PN1#
USB_PN2#
USB_PN3#
USB_PN4#
USB_PN5#
USB_OC0#
USB_OC1#
USB_OC2#
USB_OC3#
USB_OC4#
USB_OC5#
GPIO32
GPIO33
GPIO34
GPIO35
GPIO36
GPIO37
GPIO38
GPIO39
GPIO40
GPIO41
GPIO42
GPIO43
USB_RBIAS#
GPIO_7
GPIO_8
GPIO_12
GPIO_13
GPIO_25
GPIO_27
GPIO_28
IDE_PDCS1#
IDE_PDCS3#
IDE_SDCS1#
IDE_SDCS3#
IDE_PDA0
IDE_PDA1
IDE_PDA2
IDE_SDA0
IDE_SDA1
IDE_SDA2
IDE_PDD0
IDE_PDD1
IDE_PDD2
IDE_PDD3
IDE_PDD4
IDE_PDD5
IDE_PDD6
IDE_PDD7
IDE_PDD8
IDE_PDD9
IDE_PDD10
IDE_PDD11
IDE_PDD12
IDE_PDD13
IDE_PDD14
IDE_PDD15
IDE_SDD0
IDE_SDD1
IDE_SDD2
IDE_SDD3
IDE_SDD4
IDE_SDD5
IDE_SDD6
IDE_SDD7
IDE_SDD8
IDE_SDD9
IDE_SDD10
IDE_SDD11
IDE_SDD12
IDE_SDD13
IDE_SDD14
IDE_SDD15
IDE_PDDACK#
IDE_SDDACK#
IDE_PDDREQ
IDE_SDDREQ
IDE_PDIOR#
IDE_SDIOR#
IDE_PDIOW#
IDE_SDIOW#
IDE_PIORDY
IDE_SIORDY
CLK_14
CLK_48
RTCRST#
CLK_RTCX1
CLK_RTCX2
CLK_VBIAS
SPKR
USB_RBIAS
AC_SDATAIN2
THRMTRIP#
PM_SLP_S4#
R7Y1
10M
CON3_HDR
J8J2
3
2
1
R7V7 NO_STUFF_10K
Y7J1
32.768KHZ
NO_STUFF_MFG-TEST-JUMPER
J9F3
2
1
BT1H1
Battery_Holder
Q8H1
BSS138
3
1
2
R8W11 0
R9F1 0
R6H11
68
R8G9
10K
R8W10 0
R7V9
NO_STUFF_1K
R6J6 0
R7Y2 0
CR2F1
BAT54
1 3
R6W3 0
C2G11
0.1UF
R6V2
NO_STUFF_1K
R7J2 0
C8G4
0.1UF
R6W4 0
R8W9 0