WARNING: This information is provided "as is" with no warranty. Use at your own risk!
This site is NOT affiliated with PB.

790/795 Motherboard Jumper Settings

General Motherboard Jumpers
Function Jumpers Configuration
Processor Voltage J6M1 1-2 Standard Voltage
2-3 VRE Voltage (Default)
Password J9C1-A 1-2 Password Enabled (Default)
2-3 Password Clear/Disabled
CMOS (NVRAM and ESCD) Clear J9C1-A 4-5 Keep (Default)
5-6 Clear
BIOS Setup Access J9C1-B 1-2 Access Enabled (Default)
2-3 Access Denied
Reserved J9C1-B 4-5 (Reserved)
5-6 (Reserved)
BIOS Recovery J8A1 1-2 Normal (Default)
2-3 Recovery

Processor & Bus Frequency Jumpers
Processor
Freq. (MHz)		 Jumpers
J9C1-C		 Jumpers
J9C1-D		 Host Bus
Freq. (MHz)		 PCI Bus
Freq. (MHz)		 ISA Bus
Freq. (MHz)		 Bus/Processor
Freq. Ratio
233
5-6
1-2 & 4-5
66
33
8.33
3.5
200
5-6
1-2 & 5-6
66
33
8.33
3.0
166
5-6
2-3 & 5-6
66
33
8.33
2.5
150
4-5
2-3 & 5-6
60
30
7.5
2.5
133
5-6
2-3 & 4-5
66
33
8.33
2.0
120
4-5
2-3 & 4-5
60
30
7.5
2.0
100
5-6
1-2 & 4-5
66
33
8.33
1.5
90
4-5
1-2 & 4-5
60
30
7.5
1.5