I found the problem with the 12V rail. The Graphics Card was the cause. It must have some short in it. I swapped it with another CGA card (ATI Small Wonder) and now I have picture but the computer still won't boot. I only get a blinking cursor on the top left and nothing more.

I was thinking the same. I'll test the board when I have the time. Thank you for your suggestion.

I've had an Olivetti M240 for some time but only now started to restore it. The PSU was broken so I've modified an ATX PSU in order to be able to use for testing the M240. When I have all the connections to the ATX PSU, the PSU won't start. If I disconnect the connections to the 12V and -12V on the …

It doesn't show in the photo but the cable has one 5.25" connector. I've already tried the jumper configurations on the drive has show in that graffic. I also found that same diagram on my searches. I have another Philips old PC (a 386SX with similiar board and the same BIOS system) where the …

The Model is a Philips PCD 211 286 AT (also known as P 3239). The BIOS keeps detecting, on boot, two 51/4" drives even after I've manually set it to 31/2" HD. The floppy controller is onboard. The PC came with a MFM Hard Drive and respective controller card but the disk wasn't working so I removed …

I've already tried a diferent (more recent) cable with the same result. I suspect, maybe the cables are diferent. Is that possible?

I have a Philips PCD 211 PC (AT 286 12-5 MHz, 2 MB RAM, VGA onboard) I'm having trouble getting the diskette drive to work. It's a Epson SMD-300 HD model. The BIOS detects a HD diskette drive, the PC boot (DOS 3.1 from the Hard Drive), but when I try to access a diskette I always get read error. The …