Upgrading The Firmware; Installating New Firmware Rom - NEC 910i Installation And User Manual

Installation

Upgrading the Firmware

Use these instructions when upgrading the Firmware ROM in your
new ROM in your upgrade kit is a static-sensitive component. Be sure to follow the instructions below
carefully. Failure to follow proper anti-static precautions could damage your new firmware.
Removing Old Firmware EPROM:
1. Unplug the base unit from the line cord.
2. Attach a grounded wrist strap to your wrist and a grounded metal object (such as
CEU ground).
3. Remove the screws from the bottom of the base unit and remove the cover.
4. Using an IC puller, carefully remove the old Firmware ROM. Be careful not to rock
the ROM or bend the pins during removal.
Installing New Firmware ROM:
1. Remove the new Firmware ROM from the anti-static sleeve.
2. Following the illustration at right, carefully install the new ROM in the base.
●
Pay careful attention to line up the notch in the ROM with the notch in
its socket. The notch should be on the edge that denotes pin "1".
●
Do not bend any pins when plugging in the ROM.
3. Discard the old ROM.
4. Replace the cover on the base unit and reinstall the four screws.
5. Plug the line cord into the base unit.
1-12
Cordless Telephone Base Unit. The
910i
Grounded wrist
strap
1
Grounded wrist
strap
Key
1