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Functional description – Artesyn MITX-430/MITX-440-DVI-2E Installation and Use (August 2014) User Manual

Page 66

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Functional Description

MITX-430/MITX-440-DVI-2E Installation and Use (6806800K37D)

66

GPIO24

I/O

3.3V

Resume

GPO

Multiplexed with
MEM_LED

Unused, connect to a
TP

GPIO25
Desktop
only

I/O

3.3V

Resume

Native

This GPIO is not
implemented and is
used instead
as STP_CPU#

Used as STP_CPU#

GPIO26

I/O

3.3V

Resume

Native

Multiplexed with
S4_STATE#

Unused, PD GND

GPIO27

I/O

3.3V

Resume

GPO

ICH8 Base:
Unmultiplexed

Used as Mini-PCIE
Disable signal, Low
active

GPIO28

I/O

3.3V

Resume

GPO

ICH8 Base:
Unmultiplexed

Used as LAN2 disable
signal, Low active

GPIO29

I/O

3.3V

Resume

Native

Multiplexed with
OC5#

Used as USB OC func,
associated with USB4
USB5

GPIO30

I/O

3.3V

Resume

Native

Multiplexed with
OC6#

Used as USB OC func,
associated with USB6
USB7

GPIO31

I/O

3.3V

Resume

Native

Multiplexed with
OC7#

Used as USB OC func,
associated with USB6
USB7

GPIO32
Desktop
only

I/O

3.3V

Core

GPO

This GPIO is not
implemented and is
used instead
as CLKRUN#

Used as CLKRUN#

GPIO33

I/O

3.3V

Core

GPO

Multiplexed with
HDA_DOCK_EN#

Unused, low active

GPIO34

I/O

3.3V

Core

GPO

Multiplexed with
HDA_DOCK_RST#

Used as LVDS/DVI
display selection
1 = DVI; 0 = LVDS

GPIO35

I/O

3.3V

Core

GPO

Multiplexed with
SATACLKREQ#

Used as SATA clock
request

Table 4-3 ICH8-M GPIO Definition (continued)

Name

Type

Tolerance

Power
Well

Default

Signal Description

Implementation