307013-003 Datasheet, PDF (91/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Intel^® ICH7 Pin States
Table 3-5. Power Plane for Input Signals for Desktop Only Configurations (Sheet 2 of 3)
Signal Name
Power Well Driver During Reset
S1
S3_COLD1 S4/S5
INTVRMEN
RTC
External Pull-up or
Pull-down
Driven
Driven
Driven
IORDY
Core
IDE Device
Static
Low
Low
LAN_CLK
Suspend
LAN Connect
Component
Driven
Driven
Driven
LAN_RST#
Suspend
External RC Circuit
High
High
High
LAN_RXD[2:0]
Suspend
LAN Connect
Component
Driven
Driven
Driven
LDRQ0#
LDRQ1# / GPIO23²
Core
Core
LPC Devices
LPC Devices
High
High
Low
Low
Low
Low
MCH_SYNC#
Core
(G)MCH
Driven
Low
Low
OC[7:0]#
Suspend
External Pull-ups
Driven
Driven
Driven
PCICLK
Core
Clock Generator
Running
Low
Low
PME#
Suspend
Internal Pull-up
Driven
Driven
Driven
PWRBTN#
Suspend
Internal Pull-up
Driven
Driven
Driven
PWROK
RTC
System Power Supply Driven
Low
Low
RCIN#
Core
External
Microcontroller
High
Low
Low
REQ[3:0]#,
REQ4# / GPIO22²
REQ5# / GPIO12²
Core
PCI Master
Driven
Low
Low
RI#
Suspend
Serial Port Buffer
Driven
Driven
Driven
RSMRST#
RTC
External RC Circuit
High
High
High
RTCRST#
RTC
External RC Circuit
High
High
High
SATA_CLKP, SATA_CLKN
Core
Clock Generator
Running
Low
Low
SATA[3:0]RXP,
SATA[3:0]RXN
Core
SATA Drive
Driven
Driven
Driven
SATARBIAS#
Core
External Pull-down
Driven
Driven
Driven
SATA[3:0]GP /
GPIO[31:29,26]²
Core
External Device or
External Pull-up/Pull-
down
Driven
Driven
Driven
SERR#
SMBALERT# / GPIO11²
Core
Suspend
PCI Bus Peripherals
External Pull-up
High
Driven
Low
Driven
Low
Driven
SYS_RESET#
Suspend
External Circuit
Driven
Driven
Driven
THRM#
Core
Thermal Sensor
Driven
Low
Low
THRMTRIP#
Core
Thermal Sensor
Driven
Low
Low
TP0
Suspend
External Pull-up
High
High
High
TP3
Suspend
Internal Pull-up
High
High
High
USBRBIAS#
Suspend
External Pull-down
Driven
Driven
Driven
VRMPWRGD
Core
Processor Voltage
Regulator
High
Low
Low
Intel ^® ICH7 Family Datasheet
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