EMU Infos
| dumper |
f205v
|
| date |
19/03/2016
|
| emulator |
|
| dev |
|
PCB Infos
| 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
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
PCB component side
PCB solder side
EPROM
IC test clip
ROMs
