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Functional Description
MITX-430/MITX-440-DVI-2E Installation and Use Guide (6806800K37B)
65
GPIO12 I/O 3.3V Resume Native Natively used as
GLAN_DOCK#
Used as LAN_DISABLE#
signal, output low
active
GPIO13 I/O 3.3V Resume Native Natively used as
ENERGY_DETECT
Unused, PU
VCC3V3DUAL
GPIO14 I/O 3.3V Resume GPI Multiplexed with
AC_PRESENT
Unused, PU
VCC3V3DUAL
GPIO15
Desktop
only
I/O 3.3V Resume Native GPIO is not
implemented
and is used instead
as
STP_PCI#.
Used as STP_PCI#
GPIO16 I/O 3.3V Core Native Natively used as
DPRSLPVR.
Used as DPRSLPVR
GPIO17 I/O 3.3V Core GPI Multiplexed with
TACH0
Used as DVI detect
GPIO18 I/O 3.3V Core GPO Unmultiplexed Used as LVDS backlight
type selection
1 = DC mode; 0 = PWM
mode
GPIO19 I/O 3.3V Core GPI Multiplexed with
SATA1GP
Unused, PD GND
GPIO20 I/O 3.3V Core GPO Unmultiplexed Unused, connect to a
TP/used as a strap pin
GPIO21 I/O 3.3V Core GPI Multiplexed with
SATA0GP.
Unused, PD GND
GPIO22 I/O 3.3V Core GPI Multiplexed with
SCLOCK
Unused, PU VCC3V3
GPIO23 I/O 3.3V Core Native Multiplexed with
LDRQ1#
By default unused,
optionally used as
LPC_DRQ1#,
connecting to TPM
connector
Table 4-3 ICH8-M GPIO Definition (continued)
Name Type Tolerance
Power
Well Default Signal Description Implementation