Acer ASX1200, ASX3200 manual Per Channel, Minimim

Models: ASX1200 ASX3200

1 96
Download 96 pages 57.07 Kb
Page 25
Image 25

DRAM Configuration

Parameter

Description

Option

 

 

 

Timing Mode

When set to auto mode, the system reads the electronic data sheet of the

Auto

 

memory modules and adjusts the timings accordingly.

MaxMemClk

 

When set to MaxMemClk, you can manually specify the memory clock

 

 

frequency independent of the system bus frequency.

 

 

 

 

Memory Clock value or Limit

Displays the current memory clock frequency.

 

 

 

 

CKE base power down

All synchronous memory devices can go into sleep mode as soon as the

Disabled

mode

clock enable (CKE) signal is disasserted. In that case, the internal clocks are

Enabled

 

disabled and the memory chip goes into auto-refresh mode which is the

 

 

lowest power state at which the memory retains data.

 

 

If then power is turned off, the device will lose all data, however, as long as

 

 

standby power is maintained, no data loss will occur.

 

 

 

 

CKE based power down

Sets the CKE power saving through disasserting clock enable using system

Per Channel

 

level or per channel basis.

Per CS

 

 

 

Memclock tri-stating

Enables or disables the memory clock tri-stating during C3 an Alt VD

Disabled

 

feature.

Memclock tri-

 

 

stating during

 

 

C3 and Alt VD

 

 

 

Memory Hole Remapping

Enables or disables memory remapping around the memory hole.

Enabled

 

 

Disabled

 

 

 

Auto Optimize Bottom IO

Allows you to auto optimize maximal memory size when kernel assigns PCI

Enabled

 

Resources.

Disabled

 

 

 

Bottom of UMA DRAM

Allows you to enter a HEX number ranging from 0000 to 00F0.

Minimim 0000

[31:24] [FC]

 

Maximum 00FC

 

 

 

Chapter 2

17

Page 25
Image 25
Acer ASX1200, ASX3200 manual Per Channel, Minimim