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Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out
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David Cook's latest activity
David Cook
replied to the thread
XModem and Maximum Baud (Mac 512K, LC, LC III with leaking reversed capacitor)
.
Just the application and destination file. This surprised me as well. If you compare the ratio of LC floppy / LC HD (=78%) to 512K...
May 9, 2024
David Cook
replied to the thread
XModem and Maximum Baud (Mac 512K, LC, LC III with leaking reversed capacitor)
.
Using Floppy Emu in HD20 mode, System 3.2, and with/without a 32K ram cache, the performance is only a little better. I then tried a RAM...
May 9, 2024
David Cook
replied to the thread
XModem and Maximum Baud (Mac 512K, LC, LC III with leaking reversed capacitor)
.
Thank you @Realitystorm I had not seen those articles. They reinforce what I've noticed so far: Some OS operations monopolize the CPU...
May 8, 2024
David Cook
posted the thread
XModem and Maximum Baud (Mac 512K, LC, LC III with leaking reversed capacitor)
in
Hacks & Development
.
I've written a little application to transfer files from one Mac to another over a serial cable (peer to peer). I'm using the XModem...
May 8, 2024
David Cook
replied to the thread
SIMM 'bank clips' for broken plastic retention clips
.
Thanks to an eBay link from @RepairManiac, I was able to purchase one of the SIMM removal tools. Here are some close-up pictures. It...
May 2, 2024
David Cook
replied to the thread
Novy System ImagePro 50
.
Hi Adrian, How's your digital basement? In an interesting twist of fate, last August I learned how to differentiate the video output...
Apr 30, 2024
David Cook
replied to the thread
SIMM 'bank clips' for broken plastic retention clips
.
What a fantastic picture! I'm envious of your Mac tool collection.
Apr 23, 2024
David Cook
replied to the thread
MacsBug 5.1? Or, version IV to 5.6.1?
.
A quick note on getting the Classic to boot from the ROM disk in Mini vMac: 1. Perform a custom variation build from the website of...
Apr 18, 2024
David Cook
replied to the thread
MacsBug 5.1? Or, version IV to 5.6.1?
.
Here are the eight versions of pre-6 MacsBug that I located. To use one, rename it to be just plain 'MacsBug' without the date or...
Apr 18, 2024
David Cook
replied to the thread
MacsBug 5.1? Or, version IV to 5.6.1?
.
I've scoured the internet, my floppy treasure trove, and even a ROM to locate the following eight versions of pre-6 MacsBug. I found...
Apr 18, 2024
David Cook
replied to the thread
Seeking beta testers for Mac Sync-inator VGA sync converter
.
Ordered!
Apr 16, 2024
David Cook
posted the thread
MacsBug 5.1? Or, version IV to 5.6.1?
in
Hacks & Development
.
Does anyone have a copy of MacsBug 5.1? I'm trying to debug an application on the Macintosh 512K, and I would like the latest version...
Apr 16, 2024
David Cook
posted the thread
Macintosh II A/UX for MC68851
in
Mac II, Quadra & Centris
.
Sometimes I pay too much for a machine just to solve some mysteries. Recently, a Macintosh II with a hard drive labeled A/UX came up for...
Apr 15, 2024
David Cook
replied to the thread
Anyone have an SE speaker?
.
I ran across this thread as I searched for a replacement speaker for my Macintosh 512K. It is a Regal 63 ohm 0.25W. Interestingly, my...
Apr 14, 2024
David Cook
replied to the thread
unirom: an Old World ROM info dumper
.
Very cool
Apr 13, 2024
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