82801DB Datasheet, PDF (64/587 Pages) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

Intel^® ICH4 Power Planes and Pin States
Table 3-5. Power Plane for Input Signals (Sheet 2 of 2)
Signal Name
LAN_RST#
RSMRST#
RTCRST#
SDDREQ
SERR#
SIORDY
SMBALERT#
SYS_RESET#
THRM#
THRMTRIP#
USBRBIAS#
VRMPWRGD
Power Well
Resume I/O
RTC
RTC
Main I/O
Main I/O
Main I/O
Resume I/O
Resume I/O
Main I/O
CPU I/O
Resume I/O
Main I/O
Driver During Reset
External RC Circuit
External RC Circuit
External RC Circuit
IDE Drive
PCI Bus Peripherals
IDE Drive
External Pull-Up
External Circuit
Thermal Sensor
External Pull-Up
External Pull-Down
CPU Voltage Regulator
S1
High
High
High
Static
High
Static
Driven
Driven
Driven
Driven
Driven
High
S3
High
High
High
Low
Low
Low
Driven
Driven
Low
High
Driven
Low
S5
High
High
High
Low
Low
Low
Driven
Driven
Low
High
Driven
Low
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Intel^® 82801DB ICH4 Datasheet