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ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and PS/2
mouse are located on the back panel of
the motherboard. See the table at right
for pin defi nitions.
Legacy Wake-On-LAN Header
(JSTBY)
The onboard LAN por ts do not need
a WOL header to support their Wake-
On-LAN function. Instead, the legacy
WOL header was preserved (JSTBY)
to provide convenience for some
embedded customers who need an
internal power source from the board.
See the table on the right for pin
defi nitions.
Chapter 5: Advanced Serverboard Setup
PS/2 Keyboard/Mouse Pin
PS2 Keyboard
Pin# Defi nition
1
KB Data
2
No
Connection
3
Ground
4
Mouse/KB
VCC (+5V)
5
KB Clock
6
No
Connection
VCC: with 1.5A PTC (current limit)
Legacy Wake-
On-LAN Header
Pin Defi nitions
Pin#
1
2
3
5-23
Defi nitions
PS2 Mouse
Pin# Defi nition
1
Mouse Data
2
No
Connection
3
Ground
4
Mouse/KB
VCC (+5V)
5
Mouse Clock
6
No
Connection
(JSTBY)
Defi nition
+5V Standby
Ground
Wake-up (signal)
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