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Hardware Installation
3,1 " - +
2.7.1. Speaker Connector
Connect your chassis speaker to this
four pin connector. It allows you to
hear systems beeps and warnings
sound.
2.7.2. Front Panel Power LED
The chassis Power LED connector can
be
connected
to
the
connector.
When
you
system on, this LED will also be
turned on.
4-.'+
2.8.1. PS/2 Keyboard connector.
Connector:
CN 1
Type:
6 pin female
This connector only supports a PS/2 keyboard plug. If you have a standard AT
size (large DIN) keyboard plug, you need to use a mini DIN adapter.
2.8.2. PS/2 Mouse Connector.
Connector:
CN 2
Type:
6 pin female
This connector only supports a PS/2 mouse plug. If a PS/2 mouse is de-
tected then IRQ 12 will be directed to CN 2.
2.8.3. Serial Port 1 (COM 1) and Serial Port 2 (COM 2)
Connector:
CN 3 (COM 1)
Type:
9 pin male
One serial port is available for a mouse and
other serial devices. (I/O addresses used
are 3F8H/2F8H/3E8H/2E8H and IRQ3/IRQ4,
selected by CMOS setup.)
845S-AV MAINBOARD
+5V DC
PIN 1
PIN 1
+5V DC
four
pin
turn
your
Top View of the Speaker
and Power LED Connector
SPEAKER
Speaker
Speaker
Speaker
Signal
Signal
Signal
NC
Ground
NC
POWER LED
COM 1
COM 2
Page 19
Ver 3.x
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