Cisco VIP-4R/4T Installation And Configuration Manual page 27

Following is the procedure for replacing or upgrading DRAM SIMMs.
Attach an ESD-preventive wrist strap between you and an unpainted chassis or VIP surface.
Step 1
Step 2 Disconnect all cables from the VIP and remove it from the chassis using the procedure in
the section "Removing a VIP" on page 16.
Place the VIP on a flat surface (preferably an antistatic mat or foam), and turn it so the face
Step 3
plate is away from you and the connector edge is toward you. (approximately opposite of
the orientation shown in Figure 11).
Step 4 Locate the DRAM SIMMs in U1 and U2. (See Figure 11.)
Figure 11 Orientation of DRAM SIMMs (U1 and U2) on VIP Motherboard
Bus connector
Microcode
ROM U1 7
DRAM
SIMMs
4R in port
adapter
slot 0
Versatile Interface Processor Functions
Port adapter
handles not shown
4T in port
adapter
slot 1
FAST SERIAL
VIP-4R/4T Installation and Configuration 27