General; Microprocessor Board - HP 8970B Service Manual

Board Differences

General

General
As well as the complete front end being changed there are a number of board differences
that need to be documented here.

Microprocessor Board

The same part number 08970-60033 is used in both instruments. However the firmware is
different for the option 20 compared to the standard.
Options
STD
Option 20
4-2
Table 4-1: Firmware Part Numbers
ROM #1
08970-80050
08970-80070
HP 8970B Option 020 Service Manual Supplement
ROM #2
08970-80051
08970-80071