Sprint 2 (bootleg, set 2): Difference between revisions

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This was a very difficult job. Rust and oxidation have badly damaged PCB and components; many EPROMs had broken legs.
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.
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==

Revision as of 16:11, 1 May 2016

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 not dumped yet
1x DM74S288N 2E dumped
4x N82S131F 4P,4R,6J,6K not dumped yet

RAMs

QTY Type position
8x 21F02N 3F,3H,3J,3K,4F,4H,4J,4K

PLDs

QTY Type position status

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 component side

  • PCB solder side

    PCB solder side

  • ROMs

    ROMs

1409

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