2
Hardware Installation
2.7 Jumper Settings for SDRAM Clock (DIMM)
Jumper JP4
SDRAM Clock
JP4 is used to set the SDRAM’s clock according to the CPU clock or AGP clock. If you are using
system performance specially when used with 75/83/95/
100MHz processors. However, if you encounter compatibility
problems with
3 2 13 2 1
SDRAM CLK = AGP CLK | SDRAM CLK = CPU CLK |
(default) |
|
CPU CLK | SDRAM CLK | AGP CLK |
60MHz | 60MHz | 60MHz |
66MHz | 66MHz | 66MHz |
75MHz | 60MHz | 60MHz |
83MHz | 66MHz | 66MHz |
95MHz | 66MHz | 66MHz |
|
|
|
100MHz | 66MHz | 66MHz |
|
|
|
CPU CLK | SDRAM CLK | AGP CLK |
|
|
|
60MHz | 60MHz | 60MHz |
|
|
|
66MHz | 66MHz | 66MHz |
|
|
|
75MHz | 75MHz | 60MHz |
|
|
|
83MHz | 83MHz | 66MHz |
|
|
|
95MHz | 95MHz | 66MHz |
|
|
|
100MHz | 100MHz | 66MHz |
|
|
|
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