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Latest revision | Your text | ||
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== PCB == | == PCB == | ||
<gallery> | <gallery> | ||
File:Macintosh_128k_Prototype.JPG | File:Macintosh_128k_Prototype.JPG | ||
File:Macintosh_512k_Prototype.JPG | File:Macintosh_512k_Prototype.JPG | ||
File:Macintosh_Plus_logicboard.jpg | File:Macintosh_Plus_logicboard.jpg | ||
</gallery> | </gallery> | ||
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PALs from both 128k and 512k prototype boards are untouched dumps from unlocked chips. | PALs from both 128k and 512k prototype boards are untouched dumps from unlocked chips. | ||
They are identical between both boards with the exception of the BMU0 which differs between both of them. | They are identical between both boards with the exception of the BMU0 which differs between both of them. | ||
It looks like the dumps are identical to what would be found on a production 128k/512k board. | |||
It looks like the dumps are identical to what would be found on a production 128k/512k board | |||
While slight differences have been discovered between the prototype dumps and the PALs found on a production Macintosh Plus board, the 128k/512k dumps are interchangeable with the corresponding parts on a Mac Plus board. | While slight differences have been discovered between the prototype dumps and the PALs found on a production Macintosh Plus board, the 128k/512k dumps are interchangeable with the corresponding parts on a Mac Plus board. | ||
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|[[PAL16L8]] | |[[PAL16L8]] | ||
|D2 | |D2 | ||
|BMU1 | |BMU1 | ||
|Assumed working | |Assumed working | ||
|[[Al Kossow]] | |[[Al Kossow]] | ||
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|[[PAL16R6]] | |[[PAL16R6]] | ||
|D3 | |D3 | ||
|TSG | |TSG | ||
|Assumed working | |Assumed working | ||
|[[Al Kossow]] | |[[Al Kossow]] | ||
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|[[PAL16R8]] | |[[PAL16R8]] | ||
|E14 | |E14 | ||
|ASG | |ASG | ||
|Assumed working | |Assumed working | ||
|[[Al Kossow]] | |[[Al Kossow]] | ||
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|[[PAL16R8]] | |[[PAL16R8]] | ||
|D1 | |D1 | ||
|TSM | |TSM | ||
|Assumed working | |Assumed working | ||
|[[Al Kossow]] | |[[Al Kossow]] | ||
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|[[PAL16R4]] | |[[PAL16R4]] | ||
|E2 | |E2 | ||
|BMU0 | |BMU0 | ||
|Assumed working | |Assumed working | ||
|[[Al Kossow]] | |[[Al Kossow]] | ||
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|[[PAL16R8]] | |[[PAL16R8]] | ||
|E1 | |E1 | ||
|LAG | |LAG | ||
| | | | ||
| | | | ||
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|[[GAL16V8]] | |[[GAL16V8]] | ||
|D2 | |D2 | ||
| | |[[342-0514-1]] | ||
BMU1 | |||
|Tested | |Tested | ||
|[[Porchy]] | |[[Porchy]] | ||
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|[[GAL16V8]] | |[[GAL16V8]] | ||
|D3 | |D3 | ||
| | |[[342-0516-A]] | ||
TSG | |||
|Tested | |Tested | ||
|[[Porchy]] | |[[Porchy]] | ||
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|[[GAL16V8]] | |[[GAL16V8]] | ||
|E11 | |E11 | ||
| | |[[342-0517-1]] | ||
ASG | |||
|Tested | |Tested | ||
|[[Porchy]] | |[[Porchy]] | ||
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|[[GAL20V8]] | |[[GAL20V8]] | ||
|E3 | |E3 | ||
| | |[[342-0519-1]] | ||
CAS | |||
|Tested | |Tested | ||
|[[Porchy]] | |[[Porchy]] | ||
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[[GAL22V10]] | [[GAL22V10]] | ||
|E2 | |E2 | ||
| | |[[342-0518-A]] | ||
BMU2 | |||
|Tested | |Tested | ||
|[[Porchy]] | |[[Porchy]] | ||
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|[[GAL16V8]] | |[[GAL16V8]] | ||
|E1 | |E1 | ||
| | |[[342-0515-A]] | ||
LAG | |||
|Tested | |Tested | ||
|[[Bolle]] | |[[Bolle]] | ||
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|[[GAL16V8]] | |[[GAL16V8]] | ||
|D1 | |D1 | ||
| | |[[342-0254-A]] / [[342-0522-A]] | ||
TSM | |||
|Tested | |Tested | ||
|[[Porchy]] | |[[Porchy]] |