The A: is not being recognized.

OK, here it is-- fixing a computer for a friend, ended up needing a new power supply. Everything works except the A: which worked before I switched out the power supply.

Soyo SY-7VCA Mobo

I've used a new cable, a new floppy drive, flipped cables, now have red line at pin 1.

I get no lights on the drive and in Windows it's not recognized. Also not recognized in bios.

Any suggestions? I've gotta get this floppy to work?

Thanks everyone.

If you've a voltage meter...check for power at the floppy connector...

Usually, there are standard molex connectors on the same strand as the floppy connector...you might want to check and see if they have power...perhaps the whole strand is dead...or, just the connector...or, the positive and ground are not in the correct places to match the drives input pins...

Double check the power cable, it could be one pin off. Try a different power cable if another one will reach. Re-route some cables to make one reach, you have to prove or disprove lack of power. Check BIOS, make sure the floppy is enabled and the correct size is listed. (3 1/2" - 1.44MB) Also make sure the "Swap Floppy Drive" option is NOT enabled. That swaps A and B drives, making the computer see each as the other. Same for "Floppy Mode 3", that's for a japanese floppy drive (2.88MB I think, not positive). Disable it. Also make sure the floppy controller is enabled in BIOS. It's in the Integrated Peripherals section, I think. It's been a while since I had to look that one up so I might be wrong.

If you have another known working floppy drive it might be a good idea to swap it and be sure the controller works. Try a different cable too. New floppy drives and cables do occasionally turn out to be dead, right out of the box...same as most other components. It's not common, but does happen. Get a win98 start up disk (floppy) and test with that, if it will boot to a floppy it's working. Make it on a known clean computer and write protect it.

Once you get it to show signs of power, if the LED stays on all the time flip the cable over, it's backward, pin 1 is actually on pin 34 on one end or the other. Temporarily enable the "Check floppy drive at boot" option in BIOS, that will force the computer to try and access the floppy drive during POST to verify that it's there. Once you get it working, disable it and save a few seconds of boot time.