307013-003 Datasheet, PDF (73/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Signal Description
Table 2-21. General Purpose I/O Signals (Sheet 2 of 3)
Name^1,2
GPIO36
(Desktop and
Mobile Only)
GPIO35
(Desktop and
Mobile Only)
GPIO34
(Desktop and
Mobile Only)
GPIO33
(Desktop and
Mobile Only)
Type Tolerance
I/O
3.3 V
I/O
3.3 V
I/O
3.3 V
I/O
3.3 V
Power
Well
Core
Core
Core
Core
Default
GPI
GPO
GPO
GPO
GPIO32
I/O
(Desktop Only)
GPIO31
I/O
GPIO30
I/O
GPIO29
I/O
GPIO28
(Desktop and I/O
Mobile Only)
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
Core
GPO
Resume
Resume
Resume
Native
Native
Native
Resume
GPO
GPIO27
(Desktop and I/O
Mobile Only)
3.3 V
Resume
GPO
GPIO26
(Desktop and I/O
Mobile Only)
GPIO25
(Desktop and I/O
Mobile Only)
GPIO24
(Desktop and I/O
Mobile Only)
GPIO23
(Desktop and I/O
Mobile Only)
GPIO22
I/O
GPIO21
(Desktop and I/O
Mobile Only)
GPIO20
I/O
(Desktop Only)
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
Resume
GPO
Resume
GPO
Resume
GPO
Core
Core
Core
Native
Native
GPI
Core
GPO
Description
Multiplexed with SATA2GP.
Multiplexed with SATACLKREQ#.
Mobile Only: Multiplexed with
AZ_DOCK_RST#.
Desktop Only: Unmultiplexed.
Mobile Only: Multiplexed with
AZ_DOCK_EN#.
Desktop Only: Unmultiplexed.
Mobile/Ultra Mobile Only: this
GPIO is not implemented and is
used instead as CLKRUN#.
Desktop Only: Unmultiplexed.
Multiplexed with OC7#
Multiplexed with OC6#
Multiplexed with OC5#
Intel^® ICH7, ICH7R, and Mobile
Only: Unmultiplexed.
ICH7DH Only: Multiplexed with
EL_STATE1
Intel^® ICH7, ICH7R, and Mobile
Only: Unmultiplexed.
ICH7DH Only: Multiplexed with
EL_STATE0
Intel^® ICH7, ICH7R, and Mobile
Only: Unmultiplexed.
ICH7DH Only: Multiplexed with
EL_RSVD
Unmultiplexed.
Unmultiplexed. Not cleared by
CF9h reset event.
Multiplexed with LDRQ1#
Multiplexed with REQ4#
Multiplexed with SATA0GP.
Mobile/Ultra Mobile Only: GPIO is
not implemented and is used
instead as STP_CPU#.
Desktop Only: Unmultiplexed.
Intel ^® ICH7 Family Datasheet
73