When the top cover is off, set it aside. Figure B-3 shows the layout of the
Step 6
system cards.
Figure B-3
System Card Layout
Primary memory
(DRAM DIMMs)
Advanced Interface
Module (AIM)
Removing the Chassis Cover
Pin 1
Boot
System-code SIMM
ROM
(Flash memory)
Lattice
U23
Ethernet
Ethernet
Maintaining the Router B-5
Duart
reset Reset
AUX
Console