Jumper Settings - JETWAY 920BFR3A User Manual

2. Install the CPU
3. Install DRAM Modules
4. Install Expansion card
5. Connect Cables, Wires, and Power Supply

2-5 Jumper Settings

CPU Bus Frequency Selection : U14-7
1.
¡ °
You can also set the CPU Bus frequency and CPU ratio from the "CHIPSET FEATURES
SETUP" under BIOS SETUP.
Table for the Pentium III and Celeron Socket 370 CPU
Celeron
Speed Bus
300/66 66MHz
333/66 66MHz
366/66 66MHz
400/66 66MHz
466/66 66MHz
500/66 66MHz
533/66 66MHz
533A/66 66MHz
566/66 66MHz
600/66 66MHz
633/66 66MHz
667/66 66MHz
700/66 66MHz
733/66 66MHz
766/66 66MHz
2. CMOS RAM Clear: JP8 (Yellow color selector)
WARNING: Make sure your computer is POWER OFF when you CLEAR CMOS.
Connect a jumper Cap over this jumper for a few seconds, will clears information stored in
the CMOS RAM Chip that input by user, such as hard disk information and passwords.
After CLEAR CMOS, you must enter the BIOS setup (by holding down <DEL> during
power-up) to re-enter BIOS information (see BIOS SETUP).
Selections
Normal
Clear CMOS
Ratio Speed
4.5x 500E/100
5.0x 550E/100
5.5x 600E/100
6.0x 650E/100
7.0x 700/100
7.5x 750/100
8.0x 800/100
8.0x 850/100
8.5x
9.0x
∗
9.5x
Because the Ratio are fixed by CPU Manufacture, users don't need
10.0x
to setting ratio any more, this table just for reference use.
10.5x
11.0x
11.5x
JP8
2-3 (Default)
1-2 (momentarily)
U14-7
66MHz : Closed
100MHz : Open
Pentium III
Bus Ratio
100MHz 5.0x
100MHz 5.5x
100MHz 6.0x
100MHz 6.5x
100MHz 7.0x
100MHz 7.5x
100MHz 8.0x
100MHz 8.5x
6