
Hardware Installation
2.7. Speaker and Power LED Connectors
2.7.1. Speaker Connector (SPKR)
Connect your chassis speaker to this
PIN 1
2.7.2.Front Panel Power LED PIN 1
(PWRLED)
The chassis power LED connector can be connected to the
SPKR
Speaker | Speaker | Speaker |
+5V DC Signal | Signal | Signal |
|
|
|
|
|
|
+5V DC Ground Ground | NC |
PWRLED
Top View of the Speaker and Power LED Connectors
2.8. External Connectors
2.8.1. PS/2 Keyboard Connector
Connector: | CN1 (K/B) |
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: | CN2 (M/S) |
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 CN2.
2.8.3. Serial Port Connectors
Connector: CN3 (COM 1)/CN4 (COM2)
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.)
The
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