EMU Infos
| dumper |
f205v
|
| date |
24/04/2016
|
| emulator |
|
| dev |
|
PCB Infos
| name |
1409
|
| description |
Sprint 2 (bootleg, set 2)
|
| year |
1979
|
| manufacturer |
|
Technical references
CPUs
| QTY
|
Type
|
clock
|
position
|
function
|
| 1x |
6502 |
|
3B |
8-bit Microprocessor - main
|
| 2x |
LM380 |
|
9B,9D |
Audio Amplifier - sound
|
| 1x |
oscillator |
12.096 |
9P |
|
ROMs
| QTY
|
Type
|
position
|
status
|
| 8x |
TMS2708JL |
f1,f2,m1,m2,3a,3b,4a,4b |
dumped
|
| 1x |
DM74S287N |
2M |
dumped
|
| 1x |
DM74S288N |
2E |
dumped
|
| 4x |
N82S131F |
4P,4R,6J,6K |
dumped
|
RAMs
| QTY
|
Type
|
position
|
| 8x |
21F02N |
3F,3H,3J,3K,4F,4H,4J,4K
|
PLDs
Others
1x 22x2 edge connector
2x trimmer (volume)(9C,9E)
1x 8 DIP switches bank
Notes
This was a very difficult job. Rust and oxidation have badly damaged PCB and components; many EPROMs had broken legs.
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
-
ROMs
1409
PCB component side
PCB solder side
ROMs
