Biostar P4M900-M4 Bios Setup - Page 39

DRAM Clock, DRAM Timing, SDRAM CAS Latency, Bank Interleave, Precharge to Active tRP, Active

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P4M900-M4 DRAM Clock This item determines DRAM clock. The Choices: By SPD (default), 100MHz, 133MHz, 166MHz, 200MHz, 266MHz, 333MHz . DRAM Timing This item determines DRAM clock/ timing. The Choices: Auto by SPD (default), Manual, Turbo, Ultra. SDRAM CAS Latency When DRAM is installed, the number of clock cycles of CAS latency depends on the DRAM timing. The Choices: 2.5 /4(default). Bank Interleave This item allows you to enable or disable the bank interleave feature. The Choices: Disabled (default). Precharge to Active (tRP) This item allows you to specify the delay from precharge command to activate command. The Choices: 4T (default). Active to Precharge (tRAS) This item allows you to specify the minimum row active time (tRAS). The Choices: 07T (default). Active to CMD (tRCD) Use this item to specify the delay from the activation of a bank to the time that a read or write command is accepted. The Choices: 4T (default). REF to ACT/REF to REF (Trfc) This item allows you to determine the selection for REF to ACT/REF to REF (tRFC). The Choices: 20T/21T (default). 38

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P4M900-M4
38
DRAM Clock
This item determines DRAM clock.
The Choices:
By SPD
(default),
100MHz, 133MHz,
166MHz, 200MHz,
266MHz, 333MHz .
DRAM Timing
This item determines DRAM clock/ timing.
The Choices: Auto by SPD
(default), Manual, Turbo, Ultra.
SDRAM CAS Latency
When DRAM is installed, the number of clock cycles of CAS latency depends
on the DRAM timing.
The Choices: 2.5 /4
(default).
Bank Interleave
This item allows you to enable or disable the bank interleave feature.
The Choices: Disabled
(default).
Precharge to Active (tRP)
This item allows you to specify the delay from precharge command to activate
command.
The Choices:
4T
(default).
Active to Precharge (tRAS)
This item allows you to specify the minimum row active time (tRAS).
The Choices:
07T
(default).
Active to CMD (tRCD)
Use this item to specify the delay from the activation of a bank to the time that
a read or write command is accepted.
The Choices:
4T
(default).
REF to ACT/REF to REF (Trfc)
This item allows you to determine the selection for REF to ACT/REF to REF
(tRFC).
The Choices: 20T/21T
(default).