BIOS SETUP
35
3.5 Advanced Chipset Features
This option will change the values of the chipset registers and the system setting will alter. Do
not change any values if you are unfamiliar with the chipset.
•
SDRAM CAS Latency Time
When you install the DIMM Riser Card which is equipped with DIMM modules, this option will
appear.The option controls SDRAM performance: default is 3 clocks. If your SDRAM DIMM
specification is 2 CAS latency, change 3 to 2 for better performance.
•
RDRAM Device Napdown
While Enabled, the Direct RDRAM enters into Power Down state when it receives a row
packet which specifies an operation with Nap. No operations except refresh is allowed
during Nap state.
•
DRAM Data Integrity Mode
You can select ECC ( Error-Correcting Code ) mode to ensure data integrity.
•
RDRAM Bus Frequency
For different RDRAM, you can set the RDRAM bus frequency to 300 MHz, 356 MHz or
400 MHz. If the JP14 is set to 100MHz (or use 100MHz FSB CPU with JP14 set to AUTO),
you can select 300MHz or 400MHz. If JP14 is set to 133MHz (or use 133MHz FSB CPU
with JP14 set to AUTO),you can select 356MHz or 400MHz.
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