NF4 Ultra-A9
13
DRAM Configuration
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
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.
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
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.
CPU Spread Spectrum
The choices:
Center Spread
(default).
SATA Spread Spectrum
This item allows you to disable \ enable the
SATA
spread spectrum function.
The choices:
Disabled
(default), enable.
