HP 743 Service Handbook page 130

Field Replaceable Units
Replaceable Parts
Table 5-1
Callout
Number
not RS-232-C cable
shown
LAN-AUI cable
Video cable
HP Parallel cable
Audio cable
EVC Monitor Video cable
WARNING:
5-6
Replaceable Parts
Description
Replace battery only with Matsushita Electric
BR-1616 three-volt lithium battery (HP part number
1420-0525)! Using any other battery can cause fire or
explosion. Lithium batteries can explode if mistreated.
Do not put lithium batteries in fires, try to recharge or
disassemble them.
Exchange
Part Number
A2636-61601
A2636-61602
A2636-61603
A2636-61604
A2636-61605
A4500-62009
New
Part Number