AOpen DX34 PLUS Computer Hardware User Manual


 
This motherboard supports DUAL processors for Intel PentiumII / Pentium!!!, and
Celeron CPU (applied to PPGA package only, must lower than 300MHz). Please refer
to the following table for detail. It is not recommended to change the default setting,
unless the system fails to boot and youre trying to troubleshoot.
Processor
CPU Package
Configuration
Single Processor
PentiumII
Pentium!!!
Celeron
All Default
PentiumII
Pentium!!!
All Default
Celeron
PPGA Set the SW3 to OFF
Dual Processor
Celeron
FC-PGA Not Supported
When you are using the Intel
®
engineer sample CPU with DX34/DX34Plus, the SW1
allows you select the CPU ratio from 2x to 9.5x
. You can adjust the SW1 to get the correct
CPU working ratio and frequency.
5. SW1 Setting CPU FSB Frequency & Ratio
4. SW3 Select CPU Type
3. Installing Thermal Sensor
GND
Sensor
The Thermal Sensor Connector (
CN12 & CN1) provides you to use the thermal sensor
to detect the CPU temperature of the components on the motherboard.
OFF
ON
1
SW3
Warning: We strongly recommend you do
not overclocking your CPU and system for
get more system reliability.
SW1
ON
OFF
1
Bit1
Bit2 Bit3 Bit4 Ratio
Frequency
(FSB100)
Frequency
(FSB133)
On On On On X2 200 266
On Off On On X2.5 250 333
On On Off On X3 300 400
On Off Off On X3.5 350 466
On On On Off X4 400 533
On Off On Off X4.5 450 600
On On Off Off X5 500 667
On Off Off Off X5.5 550 733
Off On On On X6 600 800
Off Off On On X6.5 650 866
Off On Off On X7 700 933
Off Off Off On X7.5 750 1000
Off On On Off X8 800 1066
Off Off On Off X8.5 850 1133
Off On Off Off X9 900 1200
Off Off Off Off X9.5 950 1266
1
2
ON
(Default)
1
2
ON