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H8SCM(-F) SERVERBOARD USER'S MANUAL
2-16
ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and PS/2
mouse are located next to the
Back Panel USB Ports 0/1 on the
motherboard. See the table at right for
pin defi nitions.
PS/2 Keyboard/Mouse Pin
Defi nitions
PS2 Keyboard PS2 Mouse
Pin# Defi nition Pin# Defi nition
1 KB Data 1 Mouse Data
2 No Connection 2 No Connection
3 Ground 3 Ground
4 Mouse/KB
VCC (+5V)
4 Mouse/KB
VCC (+5V)
5 KB Clock 5 Mouse Clock
6 No Connection 6 No Connection
VCC: with 1.5A PTC (current limit)
Power LED/Speaker
On the JD1 header, pins 1~3 are used
for power LED indication, and pins 4-7
are for the speaker. See the tables
on the right for pin defi nitions. If you
wish to use the onboard speaker, you
should close pins 6~7 with a jumper.
Connect a cable to pins 4~7 of JD1 to
use an external speaker.
PWR LED Connector
Pin Defi nitions (JD1)
Pin Setting Defi nition
Pin 1 Anode (+)
Pin2 Cathode (-)
Pin3 NA
Speaker Connector
Pin Defi nitions
Pin Setting Defi nition
Pins 4~7 External Speaker
Pins 6~7 Internal Speaker
Compact Flash Card PWR
Connector
A Compact Flash Card Power
Connector is located at JWF1. For the
Compact Flash Card to work properly,
you will need to enable with JCF1 and
connect a Compact Flash Card power
cable to JWF1 fi rst.