Intel D845GRG Using Manual page 74

Technical Product Specification for Intel Desktop Boards using the Intel 845G Chipset
Table 38. Chipset Configuration Submenu (continued)
Feature
SDRAM Timing Control
SDRAM RAS# Active to
Precharge
SDRAM CAS# Latency
SDRAM RAS# to CAS#
Delay
SDRAM RAS#
Precharge
74
Options
• Auto (default)
• Manual – Aggressive
• Manual – User
Defined
• 7
• 6
• 5 (default)
• 2.0 (default)
• 2.5
• 3
• 2 (default)
• 3
• 2 (default)
Description
Auto = Timings will be programmed according to the
memory detected.
Manual – Aggressive = Selects most aggressive user-
defined timings.
Manual – User Defined = Allows manual override of
detected SDRAM settings.
Corresponds to tRAS.
Selects the number of clock cycles required to address
a column in memory.
Selects the number of clock cycles between addressing
a row and addressing a column.
Selects the length of time required before accessing a
new row.