Cisco Router Cisco 3600 - Page 11

Cisco 3600 Series Memory Upgrade Configuration Note 11
Upgrading DRAM
1. 8 = Single-bank SIMM, 8 MB in size.
2. 8 dual = Dual-bank SIMM, 8 MB in size.
3. 32 dual = Dual-bank SIMM, 32 MB in size.
8 dual 8 dual 8 8 32
8 dual 8 dual 8 dual 8 dual 32
16 16 – – 32
16 16 4 4 40
16 16 8 8 48
16 16 8 dual 8 dual 48
16 16 16 16 64
32 dual
3
32 dual – – 64
32 dual 32 dual 4 4 72
32 dual 32 dual 8 8 80
32 dual 32 dual 8 dual 8 dual 80
32 dual 32 dual 16 16 96
32 dual 32 dual 32 dual 32 dual 128
Table 3 Cisco 3640 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 8 – – 12
4 16 – – 20
4 4 4 – 12
4 4 8 – 16
8 4 – – 12
8 16 – – 24
8 8 4 – 20
8 8 8 – 24
8 8 4 8 28
8 8 8 4 28
8 8 16 – 32
16 – – – 16
16 4 – – 20
16 8 – – 24
16 16 4 – 36
Table 2 Cisco 3640 64-Bit-Wide DRAM Configurations (Continued)
Bank 0
(SIMM 0)
(MB)
Bank 1
(SIMM 1)
(MB)
Bank 2
(SIMM 2)
(MB)
Bank 3
(SIMM 3)
(MB)
Total
Memory
(MB)