JP3 - External Battery Connector/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.
JP4 - Peripheral Power Control
Connector
TOP
==================================================
Pin
Assignment
----------------------------------------------------------------------------------------------------
1
LED
(+)
2
LED
(-)
==================================================
JP14 - Turbo Switch
TOP
==================================================
Jumper
State
----------------------------------------------------------------------------------------------------
OPEN
Turbo
1 -
2
Non-Turbo
==================================================
JP15 - System Reset
TOP
==================================================
Pin
Assignment
----------------------------------------------------------------------------------------------------
1
Reset
2
Ground
==================================================
JP16 - 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 systemwill 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 torelease the button after triggering the system into
green mode.
JP18 - Keylock & Power
LED
TOP
==================================================
Pin
Assignment
----------------------------------------------------------------------------------------------------
1
LED
Power
2
Not Connected
3
Ground
4
Keyboard
Lock
5
Ground
==================================================
JP19 - Speaker
TOP
==================================================
Pin
Assignment
----------------------------------------------------------------------------------------------------
1
Speaker Data
Out
4
+5V
==================================================
JP20 - Turbo LED
TOP
==================================================
Pin
Assignment
----------------------------------------------------------------------------------------------------
1
LED
(+)
2
LED
(-)
==================================================
JP40 - On-Board IDE HDD LED
TOP
==================================================
Pin
Assignment
----------------------------------------------------------------------------------------------------
1
LED
(+)
2
LED
(-)
==================================================
JP41 - CPU Cooling Fan Power
Connector
TOP
==================================================
Pin
Assignment
----------------------------------------------------------------------------------------------------
1
+
12V
2
Ground
3
Ground
4
+
5V
==================================================
JP6 JP7 & JP8 - CPU Clock Selection
Jumper
TOP
==================================================
CPU
Clock CPU
Frequency
JP6
JP7 JP8
----------------------------------------------------------------------------------------------------
25MHz
DX2-50MHz
OPEN OPEN
SHORT
33MHz
DX/SX-33MHz
SHORT SHORT
SHORT
DX2-66MHz
DX4-100MHz
40MHz
DX-40MHz
OPEN SHORT
SHORT
DX2-80MHz
==================================================
JP(21-24) & JP42 - CPU Voltage
Jumpers
TOP
==================================================
Voltage
JP21 JP22
JP23 JP24
JP42
----------------------------------------------------------------------------------------------------
5
Volts 2 -
3 2 - 3
2 - 3 2 -
3 OPEN
4
Volts 1 -
2 1 - 2
1 - 2 1 -
2 OPEN
3.3 Volts
1 - 2 1 -
2 1 - 2
1 - 2
SHORT
==================================================
CPU Type Selection Jumper
TOP
==================================================
|
486 NON-SL ENHANCED
||
486 SL
ENHANCED
|
|-------------INTEL/AMD-----------|-------AMD-----||----------INTEL------------|------CYRIX-----|
|
|
DX
|
||
| DX, DX2 | DX,
DX2
|
|
SX |
DX2-66/80 |
DX4 ||
SX |
DX4 |
DX2-V80 |
----------------------------------------------------------------------------------------------------
JP25 2 -
3
1 -
2
1 -
2
2 - 3 1 -
2
1 -
2
3 -
4
3 -
4
3 -
4
3 - 4
JP26
OPEN
3 -
4
3 - 4
OPEN 3 -
4
3 - 4
JP27
OPEN
OPEN
OPEN 1 -
2 1 -
2
1 - 2
JP28
OPEN
OPEN
OPEN
OPEN
OPEN 2 -
3
JP29 2 -
3
2 -
3
2 - 3 1
- 2 1 -
2
1 - 2
JP30
OPEN
OPEN
OPEN 1 -
2 1 -
2
2 - 3
JP31
OPEN
OPEN
OPEN
OPEN
OPEN 2 -
3
JP32
OPEN
OPEN
OPEN 2 -
3 2 -
3
1 -
2
4 - 5 4
-
5
3 - 4
JP33
SHORT
SHORT
OPEN
OPEN
OPEN
OPEN
JP34
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
JP35
OPEN
OPEN
OPEN
OPEN
OPEN 1 -
2
JP36 2 -
3
2 -
3
1 -
2
2 - 3 2
-
3
OPEN
JP37 1 -
2
1 -
2
1 -
2
1 - 2 1 -
2
1 - 2
JP38 1 -
2
1 -
2
1 -
2
1 - 2 1 -
2
2 - 3
==================================================
The jumper settings for the
AMD 5x86 133 are:
JP25 1-2, 3-4
JP26
3-4
JP27 1-2, 3-4
JP28 3-4
JP29
1-2
JP30 1-2, 3-4
JP31 OPEN
JP32 2-3,
4-5
JP33 OPEN
JP34 SHORT
JP35
OPEN
JP36 2-3 (1-2 FOR DX4 100/120)
JP37
1-2
JP38 1-2 |
