Replacing Dram And Sdram - Cisco 3600 Series Installation Manual

Replacing DRAM and SDRAM

Figure 5-4
2
3
The mainboard is an ESD-sensitive component. To avoid damage, observe all ESD precautions.
Caution
When you are ready to replace the mainboard tray, see the
section on page
Replacing DRAM and SDRAM
Cisco 3600 series routers use two types of dynamic random access memory (DRAM):
•
•
SIMMs and DIMMs cannot be interchanged between the router models.
Note
Cisco 3600 Series Hardware Installation Guide
5-6
Removing the Cisco 3660 Mainboard Tray
1
VOICE
2V
HIGH SPEED SERIAL
VIC
1HSSI
FXS
V1
1
SEE MANUAL BEFORE INSTALLATION 0
V0
EN
SERIAL
4T
ETHERNET
4E
SERIAL 3
SERIAL 2
SERIAL 1
SERIAL 0
CN/LP RXC RXD TXC EN
TXD CN/LP RXC
RXD TXC TXD
CN/LP RXC RXD TXC
TXD CN/LP RXC
RXD TXC TXD
5-33.
DRAM SIMMs (Used in Cisco 3620 and Cisco 3640 Routers), page 5-7
SDRAM DIMMs Used in the Cisco 3631 and Cisco 3660 Router, page 5-14
HS
ETH 3 ETH 2
ETH 1
ETH 0
3 2 1
0
LINK
ACT
2
Tray levers
Chapter 5 Installing Memory in the Router
"Replacing the Cisco 3660 Mainboard Tray"
OL-2056-02