Apple Macintosh Plus
Computers in Collection
Apple Macintosh Plus 1Mb, serial M F6515V1M0001A
Inventory
Received via OMSI “Craig” donation on 2019/Aug/17.
Case
| Attribute | Value |
|---|---|
| Name | Apple Macintosh Plus |
| Manufacturer | Apple |
| Model | M0001A |
| Serial | M F6515V1M0001A |
| Markings | “OMSI 2421” |
| Source | 2019/Aug/17, Craig@OMSI |
TODO: Floppy drive TODO: Power supply/high-voltage board TODO: CRT
Logic Boards
Inside the case:
| Attribute | Value |
|---|---|
| Manufacturer | Apple |
| Part | TODO: |
| Serial | TODO: |
| Markings | TODO: |
| Solder Mask | TODO: |
| SIMM Clips | TODO: |
| CPU | TODO: |
| PALs | TODO: |
| Video ROM | TODO: |
| Source | 2019/Aug/17, Craig@OMSI |
In a separate static bag with label “Address error when hot”:
| Attribute | Value |
|---|---|
| Manufacturer | Apple |
| Part | TODO: |
| Serial | TODO: |
| Markings | TODO: |
| Solder Mask | TODO: |
| SIMM Clips | TODO: |
| CPU | TODO: |
| PALs | TODO: |
| Video ROM | TODO: |
| Source | 2019/Aug/17, Craig@OMSI |
Keyboard
| Attribute | Value |
|---|---|
| Manufacturer | Apple |
| Model | M0110A |
| Serial | A651M0110A0269 |
| Source | 2019/Aug/17, Craig@OMSI |
Mouse
| Attribute | Value |
|---|---|
| Manufacturer | Apple |
| Model | M0100 |
| Serial | G424M010010568 |
| Source | 2019/Aug/17, Craig@OMSI |
External Floppy Drive
| Attribute | Value |
|---|---|
| Manufacturer | Apple |
| Model | M0130 |
| Serial | Y44396XM0130 |
| Source | 2019/Aug/17, Craig@OMSI |
Maintenance Log
There’s something loose inside the case.
Power supply seems unhappy.
Replaced the logic board with the one in the bag, transplanting the ROMs and RAM and checking the 256K SIMM jumper is correct. The system seems more reliable now.