Intel D865GBF Computer Hardware User Manual


 
Using the BIOS Setup Program
69
Table 25. Chipset Configuration Submenu (continued)
Feature Options Description
Extended Configuration Default (default)
User Defined
Chooses the default or user defined settings for
the extended configuration options.
Graphics Core Frequency Auto (default)
266 MHz
333-320 MHz
Allows override of detected graphics core
frequency value.
SDRAM Frequency Auto (default)
266 MHz
333 MHz
400 MHz
Allows override of detected memory frequency
value.
SDRAM Timing Control Auto (default)
Manual Aggressive
Manual User Defined
Auto allows timings to be programmed according
to the memory detected.
Manual – Aggressive selects the most aggressive
user defined timings.
Manual User Defined allows manual override of
detected SDRAM settings.
CPC Override Auto (default)
Enabled
Disabled
Controls Command Per Clock/1n rule mode.
When enabled, allows DRAM controller to attempt
Chip Select assertions in two consecutive
common clocks.
SDRAM RAS Act. To Pre. 8 (default)
7
6
5
Selects length of time from read to pre-change.
Corresponds to tRAS, min.
SDRAM CAS# Latency 2.0
2.5
3.0 (default)
Selects the number of clock cycles required to
address a column in memory. Corresponds
to CL.
SDRAM RAS# to CAS#
delay
4
3 (default)
2
Selects the number of clock cycles between
addressing a row and addressing a column.
Corresponds to tRCD.
SDRAM RAS# Precharge 4
3 (default)
2
Selects the length of time required before
accessing a new row.