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Hi everyone, I got an old Commodore Amiga A1200 but I have no power supply to test it. I know it is +/-12V and +/-5V, and I have that kind of power supply in my stuffs. I found a power supply connector, but I don't know the pinout. Does anyone with a similar model (A500/A600/A1200) could tell me...

Hi everyone, I got that old 4MB memory expansion module and I try to identify for what machine it works with. The only thing I think I know is that it is for Compaq laptop. Any information you could have is welcome :) Thanks.

Hi everyone, I got that old 4MB memory expansion card and I try to identify for what machine it works with. The only thing I know is that it is for Toshiba laptop. It looks like memory expansion card for T1900/T4500/T4600 series but the connector is not the same (holes in 2 lines for those...

Hi everyone, I have an old Compaq Portable III with 640K internal RAM and no RAM extension card. The 640K internal RAM comes from 2*256K SIMM modules + 128 soldered on the motherboard. I found on my closet 2*1MB SIMM modules that seems to work with that Compaq, but it only detects 640K instead...

Hi everyone, new round :) I have that old 486 motherboard from the PC of my childhood, but it doesn't seems to work anymore. It was working, and one day for no particular reasons it just doesn't boot again. It was stored for years on a closet, and now I'm trying to restart it. I removed the...

Hi, I got that old 486 motherboard, it seems working (at least it turns on) but I got a Low Battery error at launch. And actually there is no battery on the motherboard, and no place for an internal/soldered one. I assume I should plug an external one to it, but I'm unable to find where ! Most...

Hi, my old Zenith Data Systems zfl-181-92 is not working anymore. Time takes its toll :( When I plug the power supply or the battery and try to start it, the low power led is blinking, and there is a burned component smell. I disassembled it, and I can see 2 small resistances that looks burned...

Hi, my old Toshiba T5200C burned today. Disassembled, the issue seems to be on the inverter card. One transistor is burned, and I'm unable to identify it for replacement because the references burned with the component, I only have the first character : J. Could someone please check on its own...

Hi, I powered my old compaq portable III for the first time for years, and bad surprise : electrical sounds and smoke... I quickly unplugged the machine power supply and have disassembled it : burned capacitors. So I'm now checking with a multimeter all capacitors on the mainboard in order to...