Biostar iDEQ 220K Bios Setup Manual page 20

K8VBK-S7 BIOS Setup
4.2 DRAM CONFIGURATION
4.2.1 Max Memclock (MHz)
Places an artifical memory clock limit on the system. Memory is
prevented from running faster than this frequency.
The Choices: 200 (Default), 166, 133, and 100.
4.2.2 CAS# Latency
This field specify the cas# latency, i.e. cas# to read data valid.
The Choices: CL=2.5 (Default), CL=3.0, CL=2.0
4.2.3 RAS# to CAS# Delay (tRCD)
This field specifies the RAS# to CAS# Delay to read/ write command
to the same bank. Typically -20 Nsec.
The Choices: 3 BUS CLOCKS (Default), 2 BUS CLOCKS, 4 BUS
CLOCKS, 5 BUS CLOCKS, 6 BUS CLOCKS, 7 BUS CLOCKS
4.2.4 Min RAS# active time (tRAS)
This field specifies the minimum RAS# active time. Typically -45-60
Nsec.
The Choices: 6 BUS CLOCKS (Default), 13 BUS CLOCKS, 14 BUS
CLOCKS, 15 BUS CLOCKS.
4.2.5 Row Precharge Time (tRP)
This field specifies the Row precharge Time. Precharge to Active or
Auto-Refresh of the same bank. Typically 20-24 Nsec.
The Choices: 3 BUS CLOCKS (Default), 2 BUS CLOCKS, 4 BUS
CLOCKS, 5 BUS CLOCKS, 6 BUS CLOCKS.
19