Installation Manual
H3C SecPath V1000-A Security Gateway
Chapter 6 Hardware Maintenance
6-3
z
Boot ROM: stores the boot and initialization programs of the security gateway.
Hardware maintenance mainly involves DDR SDRAM replacement.
Follow this maintenance flow to replace a DDR SDRAM:
Open the chassis
Verify the p
DDR SD
osition of
RAM
Remove the
DDR SD
old
RAM
Install the
DDR SD
new
RAM
Close the chassis
Prepare the tools
Start
Complete h
mainte
ardware
nance
Open the chassis
Locate the DDR SDRAM
Remove the old DDR SDRAM
Install a new DDR SDRAM
Close the chassis
Prepare tools
Start
End
Open the chassis
Verify the p
DDR SD
osition of
RAM
Remove the
DDR SD
old
RAM
Install the
DDR SD
new
RAM
Close the chassis
Prepare the tools
Start
Complete h
mainte
ardware
nance
Open the chassis
Locate the DDR SDRAM
Remove the old DDR SDRAM
Install a new DDR SDRAM
Close the chassis
Prepare tools
Start
End
Open the chassis
Verify the p
DDR SD
osition of
RAM
Remove the
DDR SD
old
RAM
Install the
DDR SD
new
RAM
Close the chassis
Prepare the tools
Start
Complete h
mainte
ardware
nance
Open the chassis
Locate the DDR SDRAM
Remove the old DDR SDRAM
Install a new DDR SDRAM
Close the chassis
Prepare tools
Start
End
Open the chassis
Verify the p
DDR SD
osition of
RAM
Remove the
DDR SD
old
RAM
Install the
DDR SD
new
RAM
Close the chassis
Prepare the tools
Start
Complete h
mainte
ardware
nance
Open the chassis
Locate the DDR SDRAM
Remove the old DDR SDRAM
Install a new DDR SDRAM
Close the chassis
Prepare tools
Start
End
Figure 6-2
DDR SDRAM maintenance flow
A DDR SDRAM is a main board component that you can expand and replace as
needed. Generally, you need to expand a DDR SDRAM for:
z
Upgrading the Comware.
z
Providing an adequate memory size for retaining a large routing table or
processing tasks that consume huge memory resources.
When booting the security gateway, you can see the following messages:
**************************************************
* *
* H3C SecPath Series Gateway Boot ROM V1.17 *
* *
**************************************************
Copyright(C) 2004-2007 by Hangzhou H3C Technologies Co.,Ltd.
Compiled at Wed Apr 12 17:39:36 CST 2006
Testing memory...OK!