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Writer's picturerehsd
Nov 6, 20221 min read

80286 Build #2 (Intel Basic System Configuration), Part 2

Updated: Nov 21, 2022












Initial PCBs Ordered

I ordered a set of PCBs to see if I can get the core portion of the system running on a PCB. The PCBs are ~$5.00 USD each. So many traces...




Episode 38 posted as part of Working on Interrupts.



Schematic as of 11 November 2022


Source Code

I have posted my current code, as of 15 November 2022, to my GitHub. See x86/286-related/Code Snapshots at main · rehsd/x86 · GitHub. This includes the Arduino Debugger code, the Windows interface for the debugger, and the assembly code that I have been developing. The latest assembly where I am troubleshooting interrupts is here.



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4 Kommentare

Unknown member
15. Nov. 2022

Seen your last update with the PIC can you post your code.

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rehsd
rehsd
15. Nov. 2022
Antwort an

@bns, I put a copy of the three projects in my GitHub and added details to the post above (bottom of post). Thanks!

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Unknown member
09. Nov. 2022

I'm interested if the Arduino mega can keep up when the clock speed is around 8MHz.

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rehsd
rehsd
09. Nov. 2022
Antwort an

I'm guessing the serial output would be the first bottleneck. I'll do some testing and see how fast I can run the clock before the Arduino fails to output all data to the serial console. I'm sure it will be under 100 kHz (maybe even 10 kHz) when it begins to have issues.

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