Cisco 2600 Series Hardware Installation Manual page 75

Appendix B Maintaining the Router
It is critical that the correct voltage DRAM modules be installed in the Cisco 2600 series routers.
Caution
Using the incorrect memory will cause the system to malfunction and may cause damage to the
system board or memory card. For memory voltage requirements, see
To identify a 3.3V 100-pin SDRAM memory module, look for the part number label on the front of the
card. (See
Figure B-4
Table B-2
Memory Size
32 MB
64 MB
Table B-3
Memory Size
8 MB
16 MB
32 MB
OL-2171-02
Figure B-4.) Table B-2 and
Cisco 2600 Series 3.3 and 5V 100-Pin DRAM Module
1 5 -4 1 0 8 - 01
Part number
3.3V SDRAM Part Numbers
3.3V SDRAM
15-4108-xx
15-4508-xx
5V EDO DRAM Part Numbers
5V EDO DRAM
15-2854-xx
15-2853-xx
15-2851-xx
Table B-3 show the part numbers for the memory modules.
Cisco 2600 Series Routers Hardware Installation Guide
Upgrading DRAM
Table B-1.
B-7