
H3C SR6608/6604 Routers Installation Manual
Chapter 1 Router Overview
1-20
II. Flash
The Flash size is 4 MB, of which 1 MB is used for storing the boot file—BootWare and
the remaining space for BootWare backup and important system parameters.
III. Memory module
The memory module is used for storing the data exchanged between the system and
the CPU. The default memory size of the RPE-X1 is one GB memory and the maximum
memory size is two GB. One RPE-X1 provides two memory slots in which you can
insert two DDR2 SDRAMs of different sizes.
The DDR2 SDRAMs for the RPE-X1 have two sizes:
DDR2 SDRAM-512MB
DDR2 SDRAM-1GB
IV. NVRAM
The NVRAM is 128 KB in size and is used for storing exception information of the
system during operation.
V. CF card
1) Introduction
A compact flash (CF) card is used for storing logs, host files, and configuration files.
The device is equipped with a built-in 256 MB CF card, which is identified with
cfa0
. In
addition, the device provides an external CF card slot to expand the local storage space.
A CF card inserted into the external CF card slot is identified with
cfb0
.
The CF cards supported by the device are available in three sizes:
256 MB
512 MB
1 GB
Caution:
Use CF cards provided by H3C only. The device may be incompatible with other CF
cards.
2) CF card and slot