Huawei Quidway AR 28 Series Installation Manual page 89

Quidway AR 28 Series Routers Installation Manual
Prepare tools
Open chassis cover
Check SDRAM
card position
Remove SDRAM card
Install new
SDRAM card
Close chassis cover
Figure 6-7 SDRAM card replacement process
SDRAMs are main board components that you can expand or upgrade as needed.
Generally, you need to do that in the following situations:
More memory is required for the upgraded application image, maintaining a large
routing table, or processing memory-consuming tasks.
The existing SDRAM is damaged.
You can see this banner at boot:
Router starts booting ... (V2.00)
***********************************************
*
* Quidway Series Routers Boot ROM, V9.13 *
*
***********************************************
Copyright(c) 1998-2005 by HUAWEI Technologies CO., LTD.
Testing memory...OK!
128M
32768K
Hardware Version is MTR 1.1
CPLD Version is CPLD 3.0
Press Ctrl-B to enter Boot Menu
Start
End
bytes DDR SDRAM
bytes flash memory
Huawei Technologies Proprietary
*
*
6-16
Chapter 6 Router Maintenance