Intel D865GBF - Manual (Page 69)

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.