Sprint 2 (bootleg): Difference between revisions
From Citylan
Jump to navigationJump to search
m →RAMs |
m →ROMs |
||
| (2 intermediate revisions by the same user not shown) | |||
| Line 49: | Line 49: | ||
|8x || [[2708|F2708]] || a1,a2,a3,a4,b1,b2,b3,b4 || dumped | |8x || [[2708|F2708]] || a1,a2,a3,a4,b1,b2,b3,b4 || dumped | ||
|- | |- | ||
| | |2x || [[PROM|DM74S287N]] || 2E,2M || dumped | ||
|- | |- | ||
|2x || [[PROM|MI-7621-5]] || 4P,4R || | |2x || [[PROM|MI-7621-5]] || 4P,4R || dumped | ||
|- | |- | ||
|2x || [[PROM|93446PC]] || 6J,6K || | |2x || [[PROM|93446PC]] || 6J,6K || dumped | ||
|} | |} | ||
| Line 84: | Line 84: | ||
This was a very difficult job. Rust and oxidation have badly damaged PCB and components; all EPROMs had broken legs (see picture). | 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. | I had to polish them all with sandpaper, and then use an IC test clip and a lot of patience to read them out. | ||
---- | |||
update 20160501: full redump, including PROMs | |||
==Files== | ==Files== | ||
Latest revision as of 16:12, 1 May 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 |
| 2x | DM74S287N | 2E,2M | dumped |
| 2x | MI-7621-5 | 4P,4R | dumped |
| 2x | 93446PC | 6J,6K | dumped |
RAMs
| QTY | Type | position |
|---|---|---|
| 8x | F21L02FPC | 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.
update 20160501: full redump, including PROMs
Files
-
PCB component side -
PCB solder side -
EPROM -
IC test clip -
ROMs
1389
