Cisco 3600 Series - Page 8

8 Cisco 3600 Series Memory Upgrade Configuration Note
Upgrading DRAM
Figure 4 Cisco 3620 DRAM SIMM Locations
Only certain combinations of DRAM SIMMs are permitted. These combinations are shown in
Table 1. (Memory configurations that are too small to run the Cisco IOS software are not shown.)
Table 1 Cisco 3620 32-Bit-Wide DRAM Configurations
Bank 0
(SIMM 0)
(MB)
Bank 1
(SIMM 1)
(MB)
Bank 2
(SIMM 2)
(MB)
Bank 3
(SIMM 3)
(MB)
Total
Memory
(MB)
4 4 4 – 12
4 8
1
– – 12
4 4 8 – 16
4 16 – – 20
8 4 – – 12
8 8 – – 16
8 16 – – 24
8 8 4 – 20
8 8 8 – 24
8 8 4 4 24
8 8 4 8 28
8 8 8 4 28
8 8 16 – 32
H7317
DRAM SIMMs
0 1 2 3