reUD80V0.10-signalScreenshots.zip

Some screenshots of the scope screen of signals of a properly working Re-UD-80. See the log "Debugging a problem board".

Zip Archive - 201.52 kB - 04/01/2024 at 11:37

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re-UD-80_Case.zip

New set of 3D printer files. Improved button hole size and location, added a front panel without RGB-DIN hole.

Zip Archive - 199.99 kB - 04/01/2024 at 10:51

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oval80replicaV0.10_bom.zip

The BOM with remarks from brijohn@forum.vcfed.org.
Thanks!

Zip Archive - 1.81 kB - 03/30/2024 at 16:35

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oval80replicaV0.10.connectors.pdf

External connector and jumper info.

Adobe Portable Document Format - 1.15 MB - 03/30/2024 at 16:33

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oval80replica0.10.kicad.zip

KiCAD 6.0 design files, including some custom libraries for vintage symbols and footprints.

Zip Archive - 336.67 kB - 03/02/2024 at 17:24

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ud80_rom7.11composite.zip

Patched 7.11A ROM to generate composite sync, making it compatible with the RE-UD-80 v0.10 board. Includes a dissassembly with some annotations used to find the proper configuration bits.

Zip Archive - 48.58 kB - 03/02/2024 at 07:29

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UD80_rom5_21-low.lst

Partial disassembly of the 5.21E ROM.

lst - 303.17 kB - 02/24/2024 at 20:33

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reud80OpenCase.jpg

The case is designed to fit around the board with small tolerances. No internal mounting is required when the case is closed.

JPEG Image - 136.46 kB - 02/24/2024 at 11:43

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reUD80box1.zip

3D printer files, object files for top and bottom case, front and back panels. This case fits the version 0.10 PCB exactly.

Zip Archive - 172.31 kB - 02/23/2024 at 20:48

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oval80replicaV0.10.csv

Component list as produced by KiCAD

Comma-Separated Values - 2.54 kB - 01/10/2024 at 09:50

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oval80replicaV0.10.kicad_sch.pdf

The final 0.10 schema

Adobe Portable Document Format - 188.66 kB - 01/10/2024 at 09:46

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oval80replicaV0.10.kicad_prod.zip

The file set as send to the PCB-manufacturer

Zip Archive - 85.27 kB - 01/10/2024 at 09:40

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ovalUD-80-replicaV0.10.jpg

The prototype board that actual worked after fixing embarrassingly mistakes on the back side. The board is a modified version 0.8.

JPEG Image - 278.82 kB - 12/30/2023 at 21:12

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UD80_ROMS.zip

Oval ROMs for the UD-80 and DS-8. The 5.21E ROM contains drivers for the PX-8, the 7.11A drivers for the PX-4. The DS-8 driver is an other Oval device allowing for both a printer and a UD-80 on the same RS-232c port.

Zip Archive - 18.43 kB - 12/30/2023 at 21:08

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ud80_ec198603.pdf

A review of the original UD-80 in the Epson Connection magazine of March 1986

Adobe Portable Document Format - 948.08 kB - 12/23/2023 at 21:17

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