Sys-Check II Firmware V1.4 - 2021 July 23
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The firmware in this archiv could be used with ALL PCB-versions of Sys-Check II!


*** News at the end of this file! ***


The archive should be contain the following files:

Anleitung Sys-Check II Deutsch.pdf      Manual and technical specs in german
Manual Sys-Check II English.pdf         Manual and technical specs in english

Folder "Firmware":

Sys-Check II Firmware V1.4.BIN          Sys-Check II Firmware Version 1.4 for burning an EPROM or into the Flash
Flash SST39SF010A Sys-Check V1.4.BIN    Sys-Check II Firmware V1.4 w/ 3 Atari Operating-Systems. This file could only
                                        programmed into the Flash-ROM from Sys-Check with external EPROM burner!



Version history:

V1.2:
- Initial version for the public and used for ABBUC hardware contest 2014

V1.3:
- Relates to changes in the GAL "Main Logic".
- Marked, bad chips were not recognizable or some strange graphic disturbations may occur
- Sys-Check detects correctly a bad RAM, but donīt show which one. More technical details found in the manual.

V13.a:
- Sys-check now works flawless together with the Ultimate 1 MB expansion. U1MB BIOS will be switched off.

V1.4:
- Now the complete memory is tested and after this defective bit(s) will be shown.
  A red border colour will show defective bits found while checking memory.
  Endless loop testing will be aborted if any error found
  Upper 16K ($C000-$FFFF) will only be tested if lower 48K are good.


Update 2021 July 23:

- No new firmware, but massive rework of the manual (english and german version)