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Please help with upgrading an old Pentium...

TeABaG88

Member
I recently took out a 4x cdrom and replaced it with a 16x cdrom in my friends old pentium computer. After I (finally) got the case off, I replaced the drives and set the cdrom as the slave, just like the previous one. Now when i turn it on, I get a hard disk error and I cant get the motherboard to boot from the hard drive. I never changed any settings and i got errors. I thought that I could just replace the two drives and everything would be fine but i cant even get the computer to boot. It gives me a "hard drive error". So i then switched the jumper setting on the motherboard to clear cmos and then switched it back to normal and still got the same error. I dont know what I am doing wrong and i assumed that this would be very easy, but I was wrong. The motherboard is a very old IBM model. The BIOS will detect the drive and it is listed as the 2nd boot device, but i just can't figure it out. Also when i try it with a 4 gig drive it only recognizes it as a 26 mb drive?? What am i doing wrong? Thanks...
 
Assuming your hard drive is jumpered for master and you replaced the cable with proper orientation, there may be an incompatibility between the two drives. Or the HD could be dead. I would try testing the HD by itself first.

The four gig drive may be above the limits of your BIOS. Common limitations for old BIOS are 500MB, 2GB, and either 6 or 8GB. A BIOS overlay program may help here, check the web site of the drive's manufacture as they are often a free download.
 
It could very well be that the bios for that old 'puter doesn't like a DMA 16x CD on the same channel as the old drive. I'd suggest hooking up the CD on the second channel by itself as the master, and hooking up the hard drive by itself as the master on the first channel. That should work. You might still need to use an overlay like XeonTux mentioned (unless there's a bios update for that board).

Check the info on the board against the database at motheroards.org, you might be able to snag a bios download for that board, which may alleviate the problem.

Good luck!
 
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