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Found this up for sale in the local market. I haven't used a DEC computer for about 30 years.

My Tandy 1000 RLX (B) had the Tandy 40MB drive option, which is the Seagate ST351A/X in XT mode. Those seem hard to find and are pricey. I found a seller on ebay with NOS Seagate ST325X 20MB drives, so I bought one. I connected it in place of the ST351A/X and proceeded to install MS-DOS 5 and...

I just picked up a Tandy 1000 RLX, VGM-220 monitor, Keyboard, and mouse. Found a lot of useful information about the system, but I could not find out why the monitor is missing 2 pins from the standard VGA connector. The RLX video port is blanked out for those two pins, so I can't just use my...

I picked up a couple of 1/2 height drives with a 5160 system. One drive seems to be fine. The other appears to need alignment according to my tests with IMD. The manufacturer's labels are in pretty bad shape, so I can't decipher the model number. The closest drive in my documentation files...

After decades of being a TRS-80 collector, I got an IBM 5150 and 5160. My one and only MASM project back in the 80s was a TSR to collect instrument data from the serial port and save them to disk as a background task while the PC was used for data processing or word processing. I have the...

I picked up this drive. Apparently is is a color computer floppy drive, but I don't have (or need) the controller. Best I can tell is it's a 35-track SS drive. The circuit board is quite different from the other floppy drives I've seen. Doesn't appear to have a drive select. I cleaned it up...

This article popped up in my newsfeed. https://arstechnica.com/gaming/2019/10/thousands-of-dos-games-have-been-added-to-the-internet-archive/

I have an IBM WD12 FH 10 MB drive. I have it connected to a TRS-80 Model 4P computer through a WD1002-05/HDO controller and a homebrew interface board. When doing a low level format, it completes Head 0, then reports an error about halfway through Head 1 and stops. I know the interface works...

Based on suggestions here, I thought I'd try to use a compact flash card as an IDE drive in my Pentium 233MMX computer. The BIOS can't recognize >8.4 GB, and smaller drives are becoming more rare. I picked up a StarTech 40/44 pin compact flash adapter to test with a Toshiba 512 MB card I had...

According to the mobo docs, 8.4 GB is the largest it can handle. Want spare drive(s) to install alternate operating systems.

I've looked in all the places I could think of, but can't find the manual for NewDOS/80 1.0. Plenty of hits for 2.0 and 2.5. Anyone know if there is a scanned version out there?

I'm looking for issues of TAS for the TRS-80. Will pay reasonable price and shipping.

I just got one of these beasts. Never had the buffered cable mod on any of the Model Is I own or have owned. I know the EI has 5V running to the card edge, and so has to have the buffered cable to attach to the keyboard, but does the modified keyboard/CPU have to have it? Can I connect the...

Picked up a 16K Level II keyboard, expansion interface, and monitor from ebay last week. Sort of an odd system. Was built for Canada, so the power supplies and monitor have 3-prong plugs, and labels were added with French wording on them. The keyboard unit shows no sign of wear on the front...

This is a Pentium III machine, so not vintage by this site's definition, so I'll post here hoping for some insight. P3/866 512MB RAM, ASUS TUS2-C mobo, NVidia AGP video card. I moved the machine in my vehicle last Fall. It worked fine before that, dual booting XP and Win98 (and DOS). After...

There's an earlier thread with an image for NewDOS/80 DS that will load ModelA/III. I'm curious as to the mechanism of that. I didn't seem to have challenges with DOSPlus or LDOS, but MultiDOS is a challenge. Just copying the file onto the disk doesn't work. If anyone knows what the...

I just got a Shugart SA455 floppy drive. The drive will format, read, and write to disks, but can not read disks made in any of my other drives. Disks made in my other drives are interchangeable except with the SA455. Based on research, this implies an alignment issue. There are instructions...