JP1
- External Battery/Clear CMOS
TOP
==================================================
Jumper Pin Assignment
----------------------------------------------------------------------------------------------------
2 -
3
Normal Operation
3 -
4
Clear CMOS
1 External Battery (+)
4 External Battery (-)
==================================================
Please make sure the pins 2-3 are shorted
before using the system board. The systemboard is shipped from the factory with pins
3-4 shorted to prevent battery drain during storage. Failure to reset this jumper at
pins 2-3 would prevent the boardfrom powering up.
JP2 & JP3 - Select Active BIOS & Flash Voltage
TOP
==================================================
Assignment
Jumper Pins
----------------------------------------------------------------------------------------------------
AMI Bios Active JP2 1 - 2
AWARD Bios Active JP2 2 - 3
Flash ROM 5 volt JP3 1 - 2
Flash ROM 12volt JP3 2 - 3
==================================================
Note: Altering JP2 will have no effect unless the current BIOS chip has both programs stored.
The original manufacturer installed BIOS chips were PROMs and not flashable so upgrading them is
impossible without the correct EEPROM installed, unless of course you own an EPROM Burner.
JP15 - Keylock & Power LED
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 LED Power
2 Not Connected
3 Groung
4 Keyboard Lock
5 Ground
==================================================
JP16
& JP17 - VL-Bus Wait State
TOP
==================================================
State
JP16 JP17
----------------------------------------------------------------------------------------------------
Normal (= OR < 33MHz) OPEN OPEN
Extra Wait ( > 33MHz) SHORT SHORT
==================================================
JP18
- Speaker
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 Speaker Data Out
4 +5V
==================================================
JP19
- Turbo LED
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 LED (+)
2 LED (-)
==================================================
JP20
- System Reset
TOP
==================================================
Pin Assignment
----------------------------------------------------------------------------------------------------
1 Reset
2 Ground
==================================================
JP22
- Turbo Switch
TOP
==================================================
Jumper State
----------------------------------------------------------------------------------------------------
OPEN Turbo
1 - 2 Non-Turbo
==================================================
JP23
- Green Mode Trigger Switch
TOP
==================================================
Jumper State
----------------------------------------------------------------------------------------------------
Trigger Once Green Mode
Trigger Again Normal Operation
==================================================
This is a toggle switch so please do not
keep this jumper shorted or else the system will have a problem waking up or booting after
a reset. For this reason, do not use the Turbo button on the system chassis for this
switch, since one may forget to release the button after triggering the system into green
mode.
JP6
JP7 & JP8 - CPU Clock Selection Jumper
TOP
==================================================
CPU Clock CPU Frequency
JP6
JP7 JP8
----------------------------------------------------------------------------------------------------
25MHz
DX2-50MHz OPEN
OPEN SHORT
33MHz
DX2-66MHz SHORT SHORT
SHORT
DX4-100MHz
5x86-100MHz
5x86-133MHz
40MHz
DX-40MHz
OPEN SHORT SHORT
DX2-80MHz
DX4-120MHz
5x86-120MHz
50MHz
DX-50MHz SHORT
OPEN OPEN
==================================================
JP24
JP25 JP26 & JP35 - CPU Voltage Jumpers
TOP
==================================================
CPU Voltage JP24 JP25
JP26 JP35
----------------------------------------------------------------------------------------------------
5 Volts 2 -
3 2 - 3 2 - 3 SHORT
3.3 Volts 1 -
2 1 - 2 1 - 2 SHORT
4 Volts 1 -
2 1 - 2 1 - 2 OPEN
==================================================
CPU
Type Selection Jumpers
TOP
==================================================
| 486 NON-SL ENHANCED
|
486 SL
ENHANCED
|
|-----INTEL/AMD--|--------AMD---------|----------INTEL-------|---------CYRIX/IBM/TI---------|
| SX
| DX DX2 | DX2 | DX4 | DX DX2 |
DX4 | DX | DX2 |DX2-V80|
----------------------------------------------------------------------------------------------------
VOLT
5V
5V 3.3V
3.3V
5V 3.3V
5V 3.3V 4V
JP24 2 - 3 2 -
3 1 - 2 1 -
2 2 - 3 1 -
2 2 - 3 1 -
2 1 - 2
JP25 2 - 3 2 -
3 1 - 2 1 -
2 2 - 3 1 -
2 2 - 3 1 -
2 1 - 2
JP26 2 - 3 2 -
3 1 - 2 1 -
2 2 - 3 1 -
2 2 - 3 1 -
2 1 - 2
JP27 OPEN OPEN
OPEN OPEN 1 - 2 1 -
2 2 - 3 2 -
3 2 - 3
3 - 4 3 - 4
JP28 2 - 3 2 -
3 2 - 3 2 -
3 1 - 2 1 -
2 1 - 2 1 -
2 1 - 2
3 - 4 3 - 4 3 - 4
5 - 6 5 - 6 5 - 6
JP29 OPEN OPEN
OPEN OPEN 1 - 2 1 -
2 1 - 2 1 -
2 1 - 2
3 - 4 3 - 4 3 - 4
5 - 6 5 - 6 5 - 6
JP30 OPEN OPEN
OPEN OPEN 5 - 6 5
- 6 2 - 3 2 -
3 2 - 3
4 - 5 4 - 5 4 - 5
JP31 OPEN OPEN
OPEN OPEN OPEN OPEN
OPEN OPEN OPEN
JP32 OPEN 1 -
2 1 - 2 1 -
2 1 - 2 1 -
2 1 - 2 1 -
2 1 - 2
JP33 2 - 3 1 -
2 1 - 2 1 -
2 1 - 2 1 -
2 1 - 2 1 -
2 1 - 2
3 - 4 3 - 4 3 -
4 3 - 4 3 -
4 3 - 4 3 -
4 3 - 4
JP34 SHORT SHORT SHORT OPEN
OPEN OPEN OPEN OPEN OPEN
JP35 SHORT SHORT SHORT SHORT SHORT SHORT SHORT
SHORT OPEN
==================================================
==================================================
|---------------------CYRIX/IBM---------------------||------------------------AMD-----------------------|
| IBM DX4-GC | IBM
DX4-GIC || 486DX4
(8B)
|
|
| CYR DX4-GP | CYR
DX4-GP4 || PLUS/WRITEBACK
|
|
| (M7 PINOUT) | (P24D PINOUT)
|| (P24D PINOUT) | 5x86-133 |
----------------------------------------------------------------------------------------------------
VOLT
3.3V
3.3V
3.3V
3.3V
JP24 1
-
2
1 -
2
1 -
2
1 - 2
JP25 1
-
2
1 -
2
1 -
2
1 - 2
JP26 1
-
2
1 -
2
1 -
2
1 - 2
JP27 2
-
3
1 -
2
1 -
2
1 - 2
3 -
4
3 -
4
3 - 4
JP28 1
-
2
1 -
2
1 -
2
1 - 2
3 -
4
3 -
4
3 -
4
3 - 4
5 - 6
JP29 1
-
2
1 -
2
1 -
2
1 - 2
3 -
4
4 -
5
4 -
5
4 - 5
5 -
6
JP30 2
-
3
3 -
4
3 -
4
3 - 4
4 -
5
5 -
6
5 -
6
5 - 6
JP31
OPEN
OPEN
OPEN
2 - 3
JP32 1
-
2
1 -
2
1 -
2
1 - 2
JP33 1
-
2
1 -
2
1 -
2
1 - 2
3 -
4
3 -
4
3 -
4
3 - 4
JP34
OPEN
OPEN
OPEN
OPEN
JP35
SHORT
SHORT
SHORT
SHORT
==================================================
Here are the Intel Overdrive processor's jumper settings:
JP27 1-2, 3-4
JP28 1-2
JP29 1-2
JP30 5-6
JP32 2-3
JP33 1-2, 3-4
JP31 3X 2.5X 2X
OPEN 1 - 2 2 - 3
It should show up as P24T in your bios. |