Sky Base (bootleg)
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| dumper | f205v |
| date | 01/05/2007 |
| emulator | |
| dev |
| name | 548 |
| description | Sky Base (bootleg) |
| year | 1982 |
| manufacturer |
Technical references
CPUs
| QTY | Type | clock | position | function |
|---|---|---|---|---|
| 1x | MOSTEK MK3880N-Z80CPU | 7A | 8-bit Microprocessor - main | |
| 1x | LM380N | - | 11A | Audio Amplifier - sound |
| 1x | oscillator | unmarked | 1F |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 2x | D2732C | 1H,1K | dumped |
| 3x | HN462532G | top7L,7K,7E | dumped |
| 3x | TMS2532 | bottom7L,7J,7H | dumped |
| 1x | 6331-1 | 6L | dumped |
| 1x | 74S287 | 8H | dumped |
RAMs
| QTY | Type | position |
|---|---|---|
| 1x | AM9101CPC/P2101A | 4F |
| 1x | S5101L1PC | 5F |
| 2x | MM2114N-055 | 3F,3H |
| 2x | 2114UCE | 7N,7P both double stacked with mods |
PLDs
| QTY | Type | position | status |
|---|---|---|---|
| 0x |
Others
1x 22x2 edge connector
1x trimmer (10B)
1x 6 DIP switches bank (10C)
Notes
The board is heavily modified with wires, bent pins, and the like. see pics.
update 20211204: full redump, better pics and description.
Files
-
PCB component side -
PCB component side detail 1 -
PCB component side detail 2 -
PCB component side detail 3 -
PCB solder side -
PCB solder side detail 1 -
PCB solder side detail 2 -
stacked ROM and RAMs -
Readme -
ROMs
548
