20
Removing and Replacing Memory SIMMs and the Boot ROM
Figure 16 Using the IC Removal Tool to Remove the Boot ROM
Step 6
Set the old boot ROM aside (preferably in an antistatic bag).
This completes the steps for removing the Boot ROM. Proceed to the section “Installing a New Boot
ROM.”
Installing a New Boot ROM
To install a new Boot ROM, complete the following steps:
Step 1 Remove the new boot ROM device from its packaging.
Step 2 Align the new boot ROM with the U20 socket, and note the notch at the end of the socket
and boot ROM. Match the notch at the end of the boot ROM with the notch on the socket.
If the boot-ROM notch is not aligned with the socket notch, the boot ROM will be
damaged when power is turned on.
Step 3 Applying pressure evenly, gently press the boot ROM’s pins into the holes in the
U20 socket. (See Figure 17.) Take care not to bend any pins. You can straighten bent pins
using small needlenose pliers; however, a broken pin means that the boot ROM is
unusable, and you must order a new one.
Caution To prevent bent pins, push the boot ROM straight down into its socket, applying pressure
evenly.
Figure 17 Inserting the Boot ROM into the Socket
Step 4 When you have inserted the new boot ROM all the way into its socket, check around the
boot ROM for any bent pins. Pins bent underneath the boot ROM are difficult to see.
H6543
ENABLED
PCMCIA
EJECT
SLOT 0
FE
ENABLE
FE LINK
CPU RESET
1O POWER
OK
SLOT 1
FE MII
AUX
CONSOLE
H5967
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