Huawei Quidway AR 28 Series

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Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance

Huawei Technologies Proprietary

6-16

Start

Prepare tools

Open chassis cover

Remove SDRAM card

Install new

SDRAM card

Close chassis cover

End

Check SDRAM

card position

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:

z More memory is required for the upgraded application image, maintaining a large

routing table, or processing memory-consuming tasks.

z The existing SDRAM is damaged.

You can see this banner at boot:

Router starts booting ... (V2.00)

***********************************************

* *

* Quidway Series Routers Boot ROM, V9.13 *

* *

***********************************************

Testing memory...OK!

128M bytes DDR SDRAM

32768K bytes flash memory

Hardware Version is MTR 1.1

CPLD Version is CPLD 3.0

Press Ctrl-B to enter Boot Menu

Huawei Quidway AR 28 Series - Page 89