82801FB Datasheet, PDF (81/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Pin States
Table 3-3. Power Plane and States for Output and I/O Signals for Desktop Configurations
(Sheet 1 of 4)
Signal Name
Power
Plane
During
Immediately
PLTRST#¹ / after PLTRST#¹ /
RSMRST#²
RSMRST#²
S1
S3_COLD3
S4/S5
PETp[1], PETn[1]
PETp[2], PETn[2]
PETp[3], PETn[3]
PETp[4], PETn[4]
AD[31:0]
C/BE[3:0]#
DEVSEL#
FRAME#
GNT[4:0]#
GNT[5]#
GNT[6]#
IRDY#, TRDY#
PAR
PCIRST#
PERR#
PLOCK#
STOP#
LAD[3:0] / FWH[3:0]
LFRAME# / FWH[4]
EE_CS
EE_DOUT
EE_SHCLK
LAN_RSTSYNC
LAN_TXD[2:0]
Vcc3_3
PCI Express*
High
High⁴
Defined
PCI Bus
Vcc3_3
Vcc3_3
Vcc3_3
Vcc3_3
Vcc3_3
Vcc3_3
Vcc3_3
Vcc3_3
Vcc3_3
VccSus3_3
Vcc3_3
Vcc3_3
Vcc3_3
Low
Low
High-Z
High-Z
High with
Internal Pull-
ups
High-Z with
Internal Pull-
up
High-Z with
Internal Pull-
up
High-Z
Low
Low
High-Z
High-Z
High-Z
Undefined
Undefined
High-Z
High-Z
High
High
High
High-Z
Undefined
High
High-Z
High-Z
High-Z
Defined
Defined
High-Z
High-Z
High
High
High
High-Z
Defined
High
High-Z
High-Z
High-Z
LPC Interface
Vcc3_3
Vcc3_3
High
High
High
High
High
High
LAN Connect and EEPROM Interface
VccSus3_3
VccSus3_3
VccSus3_3
VccSus3_3
VccSus3_3
Low
High
High-Z
High
Low
Running
High
Running
Low
Low
Defined
Defined
Defined
Defined
Defined
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Low
Low
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Defined
Defined
Defined
Defined
Defined
Defined
Defined
Defined
Defined
Defined
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
81