BIOS Settings Glossary version 13 - By Menu

BIOS Settings Dictionary – By Menu
V13 – November 2009
PCI Latency Timer • 32
• 64
• 96
• 128
• 160
• 192
• 224
• 248
Sets PCI latency time.
SDRAM CAS# Latency • 2.0
• 2.5
• 3.0
Selects the number of clock cycles required to address a
column in memory. Corresponds to CL.
For information on CAS Latency, refer to
http://en.wikipedia.org/wiki/Cas_latency
SDRAM Frequency • Auto
• 266 MHz
• 333 MHz
• 400 MHz
Allows override of detected memory frequency value.
SDRAM RAS Act. To Pre. • 8
• 7
• 6
• 5
Selects length of time from read to pre-change.
Corresponds to tRAS, min.
SDRAM RAS# Precharge • 4
• 3
• 2
Selects the length of time required before accessing a new
row.
SDRAM RAS# to CAS# delay • 4
• 3
• 2
Selects the number of clock cycles between addressing a
row and addressing a column. Corresponds to tRCD.
SDRAM Timing Control • Auto
• Manual –
Aggressive
• Manual – User
Defined
A
uto 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.
Total Memory No changeable
options
Displays the total amount of RAM.
Advanced > PCI Configuration Menu
BIOS Setting Options Description / Purpose
PCI Slot x IRQ Priority • Auto
• 3
• 5
• 9
• 10
• 11
Allows selection of IRQ priority.