| Connector | Function | Connect to.. |
|---|---|---|
| CN1 | ATX power connector | Power supply |
| CN2 | Universal Serial Bus (USB) connector | USB device |
| CN3 | Upper: PS/2 mouse connector Lower: PS/2 keyboard connector |
Keyboard Mouse |
| CN4 | Upper: Printer port (25-pin female) Lower: Serial port 1 (9-pin male) Video port (15-pin female) |
Printer Serial device Monitor |
| CN5 | Upper: MIDI connector Lower: Mic-in/Line-in/Line-out connectors |
Joystick Speaker, Microphone |
| CN6 | IDE LED connector Connect the red wire to pin-1, white wire to pin-2, then leave pin-3, -4 as non-connected; or connect the red wire to pin-4, white wire to pin-3, then leave pin-1, -2 as non-connected. |
Hard drive LED |
| CN7 | ATI media connector (AMC) | Reserved |
| CN8 | Modem/Line-in connector | Modem card |
| CN9 | CD/DVD audio input connector | CD/DVD-ROM drive |
| CN10 | Modem wake up on ring connector | Modem card |
| CN11 | Diskette drive connector | Diskette drive |
| CN12 | Primary IDE connector | Hard disk drive |
| CN13 | Secondary IDE connector | Hard disk drive |
| CN15 | CS4610 adapter feature connector | Reserved |
| JP4 | Power LED connector Connect the green wire to pin-1, white wire to pin-3. |
Power LED |
| FN1,2 | Processor heat-sink fan connector | Processor fan |
2139 System Board Jumper Settings
Jumper/Settings Function
-------------------------|------------------------------
J1 | Audio Resource Protection
1-2 | Write Protected
2-3 | Programmable
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JP2 | VGA IRQ
1-2 | Disable IRQ
2-3 | Enable IRQ
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S1, SW-1 | Host Bus Clock Selection
On | 66 MHz
Off * | 100 MHz
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S1, SW-2 | Password Check
On | Bypass password
Off * | Check password
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S1, SW-3, SW-4 | Reserved
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S1, SW-5 SW-6 SW-7 SW-8 | Slot1 Core/Bus Clock Ratio
On, On, On, On | 2
On, Off, On, On | 3
Off, On, On, On | 4
Off, Off, On, On | 5
On, On, Off, On | 5/2
On, Off, Off, On | 7/2
Off, On, Off, On | 9/2
Off, Off, Off, On | 11/2
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DIMM Configurations
A maximum of 384 MB memory may be installed.
You can install 16MB, 32MB, 64MB, or 128MB PC-100 DIMM in any sockets
and with any combinations.
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