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Got this machine that was working fine, but after a reboot it gave me this error: "RTC int. error". It stays on this message and doesn't boot. Checking the maintenance manual it appears to be a "RTC INTERRUPT ERROR". I've no idea what this mean, but checking the manual it says just replace the...

Is there an IBM branded mouse for this machine? I'm looking online for a serial mouse for an XT, but I can't find an IBM serial mouse, just PS/2 ones or from other brands. Which mouse would be a period correct one? thanks

I'm looking for this part, if you have one pm me please. Ship to Miami, thanks

I have this L40SX that appears dead. The display and the small display indicators are the only signs of life, the display backlight turns on and I can control the brightness, but that's all. The rest of the machine looks dead, no chips gets warm, no sound, nothing. I'm using a modern power...

I have this 5160 with a WD1002A-WX1 HD 8 bit controller card and a ST-4096 drive. I would like to add a gotek drive, but I'm not sure if it's possible to install it with a 16 bit controller card. I have the cards available in the photos below, they are both HD and FD controllers. Model are: a)...

I recently got a external mitsubishi parallel port floppy drive model: MF355H-332MR. I'm trying to use it under windows xp or windows 98se, or DOS 6.22. Does it need a driver? I can't make it work. I didn't find much info about this drive. Thanks

I got this machine with a missing floppy drive, but with a ST238R hard drive and controller. It gives me disk error, so I removed the hard drive controller card. I thought the machine would boot into cassette basic when it didn't find any drives, it just get stuck in the error saying "any key to...

Hello guys, I want to install an ST-238R Hard drive in an IBM 5160. I got this machine in a non working state, and with the help of this forum I was able to repair it (shorted cap). Now the machine is working fine, floppy drive is ok. It came with the hard drive mentioned above and a...

Hi, I got this IBM PS/2 Model 25 Type 25-S01 that can't read floppies. Somebody installed a hard drive on it, but I had to remove it since it was not working. I've cleaned the floppy read/write head with isopropyl alcohol, it was pretty dirty, also lubricated the rails, etc. After the machine...

Hello guys, I have this IBM XT that is working fine, except for the hard drive, which is a Seagate ST-238R. This drive has a broken flex, and I've tried formatting it several times with debug with no luck. Now I recently got an old 486 with a Seagate ST-251-1 MFM drive. I would like to know if...

Hello guys, I have this IBM XT that is working fine, except for the hard drive, which is a Seagate ST-238R. This drive has a broken flex, and I've tried formatting it several times with debug with no luck. Now I recently got an old 486 with a Seagate ST-251-1 MFM drive 80mb. I would like to...

I have this Seagate ST-238R Hard Drive with a broken flex cable. I'm assuming this is whiy it isn't working on my IBM XT. Is it possible to replace it? Not sure if the drive could be opened or if I do this the HD gets destroyed. Some pics:

I don't know if this is how it should look or if it's a flaw in the monitor, but the image kind of look wide instead of a 4:3 ratio screen. It's not too much of a distortion, I have an MDA and a Hercules card and both do the same, so it's the monitor. Pics HERE Thanks

Hi, I got this video card for free, and I would like to test it in my IBM XT with 5151 monitor, but I know nothing about it. Right now I have an MDA card that' s fully working, but this new card is a lot smaller in size. I tried plugging in a ISA slot, and tried the dip switches for CGA but I...

Hi all, this is my first post in VCFED. I love to repair old stuff, although I don't know much about electronics I try to mess around with them until they work, or totally destroy them! I've got some Commodore and Amiga stuff, but never an IBM this old. So I got this IBM XT with the 130w PSU...