Upgrading Your Server 9-37
The LockStep feature can be used under the following conditions:
Install two DIMMs that operate in parallel in memory socket.
All the installed DIMMs should have the same capacity.
Run SETUP (described on page 4-2), change parameters appropriately in the menu
selected as shown below, save the settings and exit from SETUP.
Select [Advanced]
→
[Memory Configuration]
→
[Memory RAS Mode]
→
[Lock Step].
After SETUP finishes, rerun SETUP and make sure that the installed DIMM status is
[Lock Step].
Install memory devices in the following order:
The following LockStep cannot be configured:
LockStep between memory channels of different memory controllers (CPU)
LockStep within the same memory channel
Notes on configuring LockStep
In LockStep configuration, [Memory RAS Mode] menu is changed from "LockStep" to
"Independent" in the following cases:
When you additionally install DIMMs that unable to configure LockStep
When you remove DIMMs that takes down the LockStep
FRONT REAR
3
1
3
1
2
1
2
1
2
4
2
4
1-CPU
configuration
2-CPU
configuration
Mother board
CPU2-DIMM 3
CPU2-DIMM 6
CPU2-DIMM 2
CPU2-DIMM 5
CPU2-DIMM 1
CPU2-DIMM 4
CPU1-DIMM 4
CPU1-DIMM 1
CPU1-DIMM 5
CPU1-DIMM 2
CPU1-DIMM 6
CPU1-DIMM 3
CPU1
CPU2
Summary of Contents for Express5800/R120b-1
Page 20: ...Notes on Using Your Server 1 3 3 5 inch disk model...
Page 87: ...3 24 Setting Up Your Server This page is intentionally left blank...
Page 268: ...6 14 Installing and Using Utilities Windows Server 2003...
Page 296: ...7 14 Maintenance This page is intentionally left blank...
Page 350: ...8 54 Troubleshooting When you use a remote console 6 Each tool is selected and it starts...
Page 438: ...9 82 Upgrading Your Server This page is intentionally left blank...
Page 450: ...C 2 IRQ This page is intentionally left blank...
Page 474: ...D 24 Installing Windows Server 2008 R2 4 Activate Windows The Windows activation is complete...
Page 504: ...E 28 Installing Windows Server 2008 4 Activate Windows The Windows activation is complete...
Page 564: ......
Page 566: ...H 2 Using a Client Computer Which Has a CD Drive This page is intentionally left blank...
Page 576: ...I 10 Accessing Power and Performance Data This page is intentionally left blank...
Page 580: ...J 4 Product Configuration Record Table This page is intentionally left blank...