CDBOOT: Cannot boot from CD - Code: 4

[Slammy1]

I'm trying to install a new HD and controller for a friend, but I get the above listed error when I try to install my OS from the CD. He has 2 optical drives, it did it on both. This is running on a UW SCSI controller (Adaptec, ca 2-3 years old). Also, it's not registering his old HD through the primary IDE, but it does register the new HD. It registered in BIOS when I first reinstalled it, but it hasn't since (not doing any mechanical manipulations). The system was working fine (2 drives primary IDE, 2 optical drives and 2 HD on separate SCSI chains). I tok out his primary HD, put the new one and the controller in, and started having variable issues. I burned an OS install disk that worked some, but the actual install disk just gives me that error. I was able to format the drive on the controller somehow, but got a read error (maybe drive assignment error after formatting the drive). Things I've tried:

New HD on Primary IDE (single drive) w/ and w/o controller installed
No other drives (except optical and new HD) installed w/ and w/o controller installed
Reinstalled everything and replaced his secondary IDE drive with the new drive
Took all the cables and power cords out then reinstalled them
Reset MoBo BIOS and SCSI BIOS

His system is:
Asus P3B-F
850MHz CPU
320MB PC-100
Enermax 350 Quiet PSU
Pioneer SCSI DVD
Yamaha SCSI CDRW
2x Seagate Elite UW SCSI
Adaptec 2-Channel UW SCSI Controller

The new drive is a WD 80GB he got from BB with the great rebates. The opticals are getting a bit old (3+ years), and the Seagates are pretty ancient (I did try and install without that chain, no dice).

Any help would be greatly appreciated. I'm seriously tempted just to buy a new MoBo, CPU, and memory for him.


EDIT: The controller is a Promise ATA/100.

 

[Slammy1]

Update: I took the IDE DVD drive out of this system and installation is proceeding nicely. I unplugged all of the drives (left controllers in). At least I was able to reoptimize his power cords. I think his optical drives are the problem. They read fine in the SCSI BIOS, but I know he's been having probs with the DVD. I guess the DVD was the weakest link in my chain, but it sure slows down my legal backups of my DVD collection. Thanks for reading.