User guide

B-4 Cisco 2500 Series Access Server User Guide
Upgrading the Boot PROMs
Figure B-2 System Card Layout—Model 2509
Upgrading the Boot PROMs
To replace the boot programmable read only memory (PROM) software with a new
software image, you need to replace the existing boot PROMs. Table B-1 lists the part
numbers you need and indicates their installation socket. The part number is printed on a
label attached to the boot PROM.
Table B-1 Boot PROM Part Numbers and Installation Sockets
Boot PROM Part Number Installation Socket
17-1610-03 FW1
17-1611-03 FW2
H3555
Ethernet Serial 0 Serial 1 BRI Console Auxiliary
Shared memory
(fixed DRAM)
Primary memory
(DRAM SIMM)
Boot ROM jumpers
System-code SIMMs
(Flash memory or PROMs)
Boot ROMs
FW2 FW1
CODE 1 CODE 0
A
B
DRAM
Polarization
notch
Flash card socket