4.11.1.2 ECC Configuration Sub-Menu
This menu allows the user to configure ECC setup for system &
DRAM. Use the up and down arrow (
Ç
/
È
) keys to select an item.
Use the Plus and Minus (+/-) keys to change the value of the
selected option.
BIOS Setup Utility
Main Advanced PCI/PnP Boot Security
Chipset
Exit
ECC Configuration
ECC Mode
DRAM ECC Enable
DRAM SCRUB REDIRECT
4-Bit ECC Mode
DRAM BG Scrub
Data Cache BG Scrub
L2 Cache BG Scrub
L3 Cache BG Scrub
[User]
[Enabled]
[Disabled]
[Enabled]
[Disabled]
[Disabled]
[Disabled]
[Disabled]
Set the level of ECC
protection. Note: The
‘Super’ ECC mode
dynamically sets the
DRAM scrub rate so
all of memory is
scrubbed in 8hours
←
→
Select Screen
↑↓
Select Item
+/- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
Feature
Option
Description
ECC Configuration
Enabled
DRAM ECC Enable
Disabled
DRAM ECC allows hardware to report and
correct memory errors automatically
maintaining system integrity.
Disabled
4-Bit ECC Mode
Enabled
Enable 4-Bit ECC Mode.
Note: Also known as CHIPKILL ECC Mode
Disabled
DRAM SCRUB
REDIRECT
Enabled
DRAM SCRUB REDIRECT allows the
system to correct DRAM ECC errors
immediately when they occur, even if
background scrubbing is on.
Disabled
40ns
80ns
160ns
320ns
640ns
1.28us
2.56us
5.12us
10.2us
20.5us
41.0us
81.9us
163.8us
327.7us
DRAM BG Scrub
655.4us
DRAM scrubbing corrects memory errors so
later reads are correct. Doing this while
memory is not being used improves
performance.
Note: When AMD’s node interleave feature
is enabled, BIOS will force DRAM scrub off.
105
Chapter 4: BIOS Setup
Summary of Contents for Transport TN27 B4987
Page 1: ...Transport TN27 B4987 Service Engineer s Manual ...
Page 2: ......
Page 17: ...8 Rail Kit Rail with Bracket x 2 Screw Sack Chapter 1 Overview 8 ...
Page 31: ...22 1 6 6 System Block Diagram Chapter 1 Overview 22 ...
Page 62: ...3 6 1 M1003 LED Control Board Features 53 Chapter 3 Replacing Pre Installed Components ...
Page 128: ...Registration Info Install Path SDP WSD Activation 119 ...
Page 129: ...Complete Custom Components Selection Only SDP or WSD may be installed Not both Below SDK 120 ...