Difference between revisions of "Mainboard Versions"
From CPCWiki - THE Amstrad CPC encyclopedia!
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[[File:GX4000 PCB Top.jpg|200px|left]] | [[File:GX4000 PCB Top.jpg|200px|left]] | ||
* '''Board: 2700-017P-4, MC0123C, Copyright 1990''' | * '''Board: 2700-017P-4, MC0123C, Copyright 1990''' | ||
| − | * Same chipset as CPC+ | + | * Same chipset as CPC+, but lacks Keyboard, Expansion Port, Printer Port, Tape/Disc Interfaces. |
| − | * Additional Scart Connector and TV Modulator (the modulator isn't installed in all versions, and IC101 may be replaced by 4 transistors, as seen [[Media:GX4000 12.jpg|this other picture]]) | + | * Additional Scart Connector and TV Modulator (the modulator isn't installed in all versions, and IC101 may be replaced by 4 transistors, as seen [[Media:GX4000 12.jpg|this other picture]]). |
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Revision as of 20:20, 8 April 2010
Contents
CPC464 version 1 (A and B)
- Board: PT NO Z70100, Copyright 1983
- Original version. Big mainboard, old Gate Array (with cooling plate). Real wires going to keyboard.
- Board: PT NO 270100, MC0001A, Copyright 1983 (this one is 270100, not Z70100)
CPC464 version 2
- Board: PT NO Z70200, MC0002D, Copyright 1984
- Big mainboard, separate soldering points for old and new Gate Array (with changed pin-outs). Fragile plastic wires going to keyboard.
CPC464 version 3 (A and D)
- Board: PT NO Z70374, MC0044A
- Medium sized mainboard. Seems to be same as previous version, except that components are arranged more tightly.
- Board: PT NO Z70375, MC0044D
CPC464 version 4 (cost-down)
- Board: PT NO Z80329, MC0099A, Copyright 1988
- Tiny mainboard. Uses 100pin SMD Gate Array (combines the old Gate Array, CRTC, and some FDC/DRAM/RESET logic in one chip).
CPC664
- Board: PT NO Z70205, MC0005A
- 8pin FDC Data Separator
CPC6128 version 1
- Board: PT NO Z70210
- 8pin FDC Data Separator
CPC6128 version 2
- Board: PT NO Z70250
CPC6128 version 3
- Board: PT NO Z70290, 94HB, R1706, Copyright 1985
- Can be fitted with Amphenol connectors (done in germany) (instead Edge connectors). Uses 24pin FDC Data Separator.
CPC6128 version 4 (cost-down)
- Board: PT NO Z80330 (1988)
- Uses 100pin SMD Gate Array (combines the old Gate Array and PAL, CRTC, and some FDC/DRAM/RESET logic in one chip).
- Can be fitted with four 64Kx4 RAM chips (or the normal sixteen 64Kx1 RAM chips)
- Printer port consists of 74LS174+74LS175 (instead of 74LS273)
CPC 464+/6128+
- Board: 2700-016P-3, MC0122D, Copyright 1990
- Same mainboard is used in 464+ and 664+ (though not all components installed in 464+, and with different LK Links. Uses 160pin SMD Gate Array (ASIC).
GX4000
- Board: 2700-017P-4, MC0123C, Copyright 1990
- Same chipset as CPC+, but lacks Keyboard, Expansion Port, Printer Port, Tape/Disc Interfaces.
- Additional Scart Connector and TV Modulator (the modulator isn't installed in all versions, and IC101 may be replaced by 4 transistors, as seen this other picture).
DDI-1
- Board: MF0004B, ISS3
- 20pin FDC Data Separator
See also
- Amstrad part numbers - Part Numbers for PCBs and Chips
- Schematics
- Service Manuals - (cost-down 6128 is in the Amendment manual)
