J1 - Keyboard Connector
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 Keyboard Clock
2 Keyboard Data
3 Not Connected
4 Ground
5 +5VDC
==================================================
JP1 - Monitor Power Control Connector
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 LED (+)
2 LED (-)
==================================================
JP2
- External Battery Connector/Clear CMOS
TOP
==================================================
Jumper Pin Assignment
----------------------------------------------------------------------------------------------------
2 -
3
Normal Operation
3 -
4
Clear CMOS
1 External Battery (+)
4 External Battery (-)
==================================================
JP3
& JP4 - I/O DMA Selectors
TOP
==================================================
Jumper Assignment
----------------------------------------------------------------------------------------------------
1 - 2 DRQ 1, DACK 1
2 - 3 DRQ 3, DACK 3
==================================================
JP10
- Fan Power Connector
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 Controller Pin
2 Ground
3 Ground
4 VCC/5V
==================================================
JP17
- Suspend Switch Connector
TOP
==================================================
Jumper State
----------------------------------------------------------------------------------------------------
Trigger Once Suspend Mode
Trigger Again Normal Operation
==================================================
JP19
- Turbo LED Connector
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 LED (+)
2 LED (-)
==================================================
JP20
- Secondary Hard Disk LED Connector
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 LED (+)
2 LED (-)
==================================================
JP21
- Primary Hard Disk LED Connector
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 LED (+)
2 LED (-)
==================================================
JP22
- Keylock & Power LED Connector
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 LED Output
2 Not Connected
3 Ground
4 Keylock
5 Ground
==================================================
JP23
- Speaker Connectors
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 +5V
2 Speaker Out
3 Speaker Out
4 Speaker Out
==================================================
JP24
- Turbo Switch Connector
TOP
==================================================
Jumper State
----------------------------------------------------------------------------------------------------
SHORT Normal Mode
OPEN Turbo Mode
==================================================
JP25
- Reset Switch Connector
TOP
==================================================
Jumper State
----------------------------------------------------------------------------------------------------
OPEN Normal Mode
SHORT Reset System
==================================================
JP11(A
-C) JP12 & JP18 - CPU Speed Jumpers
TOP
==================================================
CPU Clock JP11A
JP11B JP11C
JP12 JP18
----------------------------------------------------------------------------------------------------
25MHz
OPEN OPEN
SHORT 2 - 3 OPEN
33MHz
SHORT SHORT
SHORT 2 - 3 OPEN
40MHz
OPEN SHORT
SHORT 1 - 2
SHORT
50MHz
SHORT OPEN
OPEN 1 -
2 SHORT
==================================================
JP6
JP7 JP8 & JP9 - CPU Power Jumpers
TOP
==================================================
Voltage
JP6
JP7 JP8 JP9
----------------------------------------------------------------------------------------------------
3.3V SHORT 1 -
2 1 - 2 1 - 2
4.0V OPEN 1
- 2 1 - 2 1 - 2
5.0V SHORT 2 -
3 2 - 3 2 - 3
==================================================
CPU Type Selection Jumper
TOP
==================================================
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