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halkyardo's latest activity
H
halkyardo
updated their
status
.
Not a Mac, but I just got a new toy from across the pond :D
Thursday at 1:50 PM
H
halkyardo
replied to the thread
Best option for 1024x768 video on IIci?
.
I may have gotten the technical specifics of the sense code wrong in that thread, it was a while ago and I was working off of a scrawled...
Wednesday at 1:31 AM
H
halkyardo
replied to the thread
SEthernet and SEthernet/30: A new take on PDS Ethernet
.
Not in the driver, unfortunately - any packets that come off the wire with a bad checksum are rejected in the ethernet controller...
Monday at 2:50 AM
H
halkyardo
replied to the thread
Best option for 1024x768 video on IIci?
.
Yes, as discussed in the thread I linked in my last post, it does not use the standard monitor sense codes for 1024x768 (and 1152x870)...
May 10, 2024
H
halkyardo
replied to the thread
Quadra 700, my first color Mac!
.
Oh definitely - if the computer thinks there's a display attached, the card probably isn't doing monitor detection, so it'll be...
May 7, 2024
H
halkyardo
replied to the thread
Quadra 700, my first color Mac!
.
The Bt458 RAMDAC on that card supports 8-bit RGB output, so it wouldn't surprise me if it was a colour card. There does seem to be a...
May 7, 2024
H
halkyardo
replied to the thread
Cracked chip on 8.24.GC Nubus card.
.
That chip looks to be a resistor-capacitor network of some sort rather than a logic IC, probably providing termination for a bus or...
May 7, 2024
H
halkyardo
replied to the thread
SEthernet and SEthernet/30: A new take on PDS Ethernet
.
That certainly is a contraption, I love it! A signal integrity issue would not surprise me; I was having bizarre display corruption...
May 7, 2024
H
halkyardo
replied to the thread
SEthernet and SEthernet/30: A new take on PDS Ethernet
.
Hooray! Glad that's all it ended up being! If you don't mind, would you be able to run Helios LanTest and let me know what your read...
May 1, 2024
H
halkyardo
reacted to
cheesestraws's comment
on cheesestraws's profile post with
Like
.
I'm taking the IIe card software to bits to try to work out what makes it tick. And go cuckoo. As you can see, so far, it's winning...
May 1, 2024
H
halkyardo
reacted to
cheesestraws's status
with
Like
.
This is going well
May 1, 2024
H
halkyardo
replied to the thread
SEthernet and SEthernet/30: A new take on PDS Ethernet
.
I've had a chance to sit down and play with my logic analyzer tonight, and of course now I can't reproduce the issues that I was having...
Apr 28, 2024
H
halkyardo
updated their
status
.
New hardware project: an adapter to connect an HP logic analyzer directly to the PDS slot of an SE/30. Mostly just built it out of...
Apr 27, 2024
H
halkyardo
replied to the thread
Early Macintosh home brew 4MB memory upgrade board development
.
This is extremely cool! I'm not really familiar with the internals of the 512 to review your design in detail, but looking at your notes...
Apr 25, 2024
H
halkyardo
replied to the thread
Macintosh Rom-Inator Mishaps
.
Does it work if you put the original ROMs back in? If so, then my guess would be either that you've got a shorted or missing trace...
Apr 25, 2024
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