I/O Processor

Schematic               2267357
Assy                    2267355-000

Roms:
                        TI #            Pos.            Part
                        2267377-2       U9              TMS4732NL
                        2267377-1       U11             TMS4732NL
                                        U37             TBP18S22N
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Floppy Disk Controller I/F

Schematic               2267352-001

Roms:

                        TI #            Pos             Part
                        1700-1          U14             IM5623CPE
                        1700-2          U44             DM74S287                                        1700-4          U27             DM74S287
                        2267703-1       U12             TBP18S42N
                        2267703-2       U15             TBP18S42N

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VDU

Graphics kit which includes: 

• ROM (32 X 8 bit words), part number 972923-0001, U25 on VDU circuit card. 
• ROM (32 X 8 bit words), part number 972923-0002, U14 on VDU circuit card. 
