Cisco 2900 series Installation Manual page 162

Locating Internal Modules
Figure 5-5
1
1
PVDM3 0
3 PVDM3 2
5 DIMM 1 (2951 only)
Cisco 2900 Series and 3900 Series Hardware Installation Guide
5-10
Module Locations in Cisco 2921 and Cisco 2951 Router
2 3
Chapter 5 Installing and Upgrading Internal Modules and FRUs
4 5
6
2
PVDM3 1
4 DIMM 0 socket
(Cisco 2921 has only 1 (one) DIMM0 socket)
6 ISM
OL-18712-03