Sprint 2 (bootleg): Difference between revisions
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|8x || [[1k x 1|F21L022FPC]] || 3F,3H,3J,3K,4F,4H,4J,4K | |8x || [[SRAM 1k x 1|F21L022FPC]] || 3F,3H,3J,3K,4F,4H,4J,4K | ||
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Revision as of 15:02, 19 March 2016
| dumper | f205v |
| date | 19/03/2016 |
| emulator | |
| dev |
| name | 1389 |
| description | Sprint 2 (bootleg) |
| year | 1979 |
| manufacturer |
Technical references
CPUs
| QTY | Type | clock | position | function |
|---|---|---|---|---|
| 1x | 6502 | 3B | 8-bit Microprocessor - main | |
| 2x | TDA1004 | 9B,9D | Audio Amplifier - sound | |
| 1x | oscillator | 12.000 | 9P |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 8x | F2708 | a1,a2,a3,a4,b1,b2,b3,b4 | dumped |
| 1x | DM74S287N | 2M | dumped |
| 2x | MI-7621-5 | 4P,4R | not dumped yet |
| 2x | 93446PC | 6J,6K | not dumped yet |
RAMs
| QTY | Type | position |
|---|---|---|
| 8x | F21L022FPC | 3F,3H,3J,3K,4F,4H,4J,4K |
PLDs
| QTY | Type | position | status |
|---|
Others
1x 22x2 edge connector
2x trimmer (volume)(9C,9E)
2x trimmer (MTR1,MTR2)(6D,6B)
1x 8x2 switches DIP
Notes
This was a very difficult job. Rust and oxidation have badly damaged PCB and components; all EPROMs had broken legs (see picture). I had to polish them all with sandpaper, and then use an IC test clip and a lot of patience to read them out.
Files
-
PCB component side
-
PCB solder side
-
EPROM
-
IC test clip
-
ROMs
1389
