Syntax SV266A User Manual page 29

JP6A 80 pin DDR/SDR
JP6B DRAM Type
JP6C Selector
JP6D
Jumper 1 – enables you to clear the BIOS. Follow these instructions:
1. Turn the system off.
2. Short pins 2 and 3 on JP1.
3. Return the jumper to the normal setting.
4. Turn the system on. The BIOS is returned to the
default settings.
Jumper 4 – set the CPU frequency (100MHz or 133MHz) according to the
CPU.
Jumper 5A/B/C/D - this jumper enables the DDR terminator for DDR memory.
If you installed DDR memory in DDR1/DDR2, short all the jumpers. Other-
wise, if you installed SDR memory in DIMM1/DIMM2, open all the jumpers.
Jumper 6A/B/C/D - this jumper enables the DDR terminator for DDR memory.
If you installed DDR memory in DDR1/DDR2, short all the jumpers. Other-
wise, if you installed SDR memory in DIMM1/DIMM2, open all the jumpers.
Short all JP6A/B/
C/D: DDR
memory
Open all JP6A/B/
C/D: SDR
memory
9
JP6A/B/C/D