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- VCF West - Aug 2 - 3, Computer History Museum, Mountain View, CA
- VCF Midwest - Sept 7 - 8 2024, Schaumburg, IL
- VCF SoCal - Mid February 2025, Location TBD, Southern CA
- VCF East - April 2025, Infoage Museum, Wall NJ
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dmac's latest activity
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Ddmac replied to the thread What's wrong with my timer chaining code? (3Com PCI packet driver mystery).As a test, I opened ghidra, created a project, and imported a com file. The file was automatically detected as raw binary. I had to...
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Ddmac reacted to modem7's post in the thread GSETUP regarding expanded memory for IBM 5170 with
Like.
At minuszerodegrees.net, in the IBM 5170 section, is a link named 'BIOS revisions'. In that, the 61X9266/61X9265 set are shown to be of... -
Ddmac replied to the thread What's wrong with my timer chaining code? (3Com PCI packet driver mystery).Really? Remember COM is not a file format. It's just a filename extension; the file itself is a raw binary that gets loaded to a fixed...
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Ddmac reacted to mbbrutman's post in the thread What's wrong with my timer chaining code? (3Com PCI packet driver mystery) with Like.
resman, The arp_pending_flag gets cleared after I send the packet after I know it's clear and gone. Remember, this path is already...
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Ddmac reacted to dhansel's post in the thread Arduino library for serial IEC bus communication with Like.
Hi all, I've been working on a library to make it easier to connect modern microcontrollers (Arduino, ESP32, Raspberry Pi Pico) to the...
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DYesterday, all the parts that I received in the mail were assembled into a working A1222+ system. To see the photos and my comments, go...
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DI have released a new version of Ruud's Diagnostic ROM. It is now at version 5.0 Available at minuszerodegrees.net Changes: 1. Shrunk...
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Ddmac replied to the thread GSETUP regarding expanded memory for IBM 5170.I trust FlashFloppy firmware quite a bit. If a real 1.44m drive would work, so will the gotek.
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DI have tested my PC10-III boards in the last two days. The one with revision 5.9 seems to work, the other one with revision 6.2B does...
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Ddmac replied to the thread TTL Logic Analyzer Recommendations?.I would look at sigrok's table of hardware and pick from there. I own a dslogic which has been quite useful to me, but it was bought...