This should be easy to determine with a multimeter. Find something that is obviously ground, like a metal part of the chassis, or a screw hole on the...
It turns out that the Opti 495SLC mobo is not the original one that came in the EasyData ED212. The original was a 286-12 mobo that I had in a box. I...
I also had a network of Apollos back in the day. The DN3x0 was often booted diskless over the token ring, unless there's a HDD in that external case....
New issue: I can't get this thing to work with a 1.44MB 3.5" floppy drive. I tried 3 known good drives, 3 known good disks, two different controller...
So, I'm looking to do a retro build on this thing. Why build if it's already built, you ask? Well, the monochrome monitor is bleah, the ST-225 HDD is...
The SYM-1 was a knockoff of the KIM-1, but it had more sockets and connectors for IO. I wrote an EPROM programmer program for it. At work, I wrote a...
I used PowerQuest Drive Image to do something similar. PQDI is the predecessor of Ghost. I used an external SCSI drive to save the images onto. Long...
The last note above is what was done last time. I have recreated the steps. It turns out that the Opus card can use a partition-based file system, or...
I thought it was Hydrogen Peroxide that was used as a rocket fuel oxidizer. Liquid fuel rockets with H2O2 and Kerosene were self-igniting. They used...
I used to work in a semiconductor fab. We didn't have chemicals that gave you cancer 30 years later, we had chemicals where you were dead before you...
Aha! So, if dd is dealing with Unix blocks, and all the low-level stuff is handled by the drive controller, then all is good. Next question, is there...
I'm still plugging away at this. Getting an image of the C: drive was no problem. D: is being a PITA. It turns out that the D: drive may be a Fujitsu...
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