82801FB Datasheet, PDF (54/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Signal Description
Figure 2-1. Intel^® ICH6 Interface Signals Block Diagram (Desktop)
AD[31:0]
C/BE[3:0]#
DEVSEL#
FRAME#
IRDY#
TRDY#
STOP#
PAR
PERR#
REQ[3:0]#
REQ[4]# / GPI[40]
REQ[5]# / GPI[1]
REQ[6]# / GPI[0]
GNT[3:0]#
GNT[4]# / GPO[48]
GNT[5]# / GPO[17]
GNT[6]# / GPO[16]
PCICLK
PCIRST#
PLOCK#
SERR#
PME#
PCI
Interface
IDE
Interface
PCI
Express*
Interface
Serial ATA
Interface
A20M#
CPUSLP#
FERR#
IGNNE#
INIT#
INIT3_3V#
INTR
NMI
SMI#
STPCLK#
RCIN#
A20GATE
CPUPWRGD / GPO[49]
SERIRQ
PIRQ[D:A]#
PIRQ[H:E]# / GPIO[5:2]
IDEIRQ
USBP[7:0]P
USBP[7:0]N
OC[3:0]#
OC[4]# / GPI[9]
OC[5]# / GPI[10]
OC[6]# / GPI[14]
OC[7]# / GPI[15]
USBRBIAS#
USBRBIAS
RTCX1
RTCX2
CLK14
CLK48
SATA_CLKP, SATA_CLKN
DMI_CLKP, DMI_CLKN
INTVRMEN
SPKR
RTCRST#
TP[4:0]
GPIO[34:24]
GPI[41:40, 15:0]
GPO[49:48, 23, 21:16]
EE_SHCLK
EE_DIN
EE_DOUT
EE_CS
Processor
Interface
Power
Mgnt.
Interrupt
Interface
USB
RTC
Clocks
Misc.
Signals
General
Purpose
I/O
EEPROM
Interface
AC '97/
Intel^®
High
Definition
Audio
Direct
Media
Interface
Firmware
Hub
LPC
Interface
SMBus
Interface
System
Mgnt.
LAN
Link
DCS1#
DCS3#
DA[2:0]
DD[15:0]
DDREQ
DDACK#
DIOR# (DWSTB / RDMARDY#)
DIOW# (DSTOP)
IORDY (DRSTB / WDMARDY#)
PETp[4:1], PETn[4:1]
PERp[4:1], PERn[4:1]
SATA[3:0]TXP, SATA[3:0]TXN
SATA[3:0]RXP, SATA[3:0]RXN
SATARBIAS
SATARBIAS#
SATA[3:0]GP / GPI[31:29, 26]
SATALED#
THRM#
THRMTRIP#
SYS_RESET#
RSMRST#
MCH_SYNC#
SLP_S3#
SLP_S4#
SLP_S5#
PWROK
PWRBTN#
RI#
WAKE#
SUS_STAT# / LPCPD#
SUSCLK
LAN_RST#
VRMPWRGD
PLTRST#
ACZ_RST#
ACZ_SYNC
ACZ_BIT_CLK
ACZ_SDOUT
ACZ_SDIN[2:0]
DMI[3:0]TXP, DMI[3:0]TXN
DMI[3:0]RXP, DMI[3:0]RXN
DMI_ZCOMP
DMI_IRCOMP
FWH[3:0] / LAD[3:0]
FWH[4] / LFRAME#
LAD[3:0] / FWH[3:0]
LFRAME# / FWH[4]
LDRQ[0]#
LDRQ[1]# / GPI[41]
SMBDATA
SMBCLK
SMBALERT# / GPI[11]
INTRUDER#
SMLINK[1:0]
LINKALERT#
LAN_CLK
LAN_RXD[2:0]
LAN_TXD[2:0]
LAN_RSTSYNC
54
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet