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IBM SCSI hard drive!

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I bought an IBM SCSI (23GB) big hard drive with 50 pins conn. from mail order and it doesn't came with manuals, cables, SCSI controller. I would like to have it working with a regular (clone) PC. What needs to be done?

Do I need to upgrade the BIOS? Look for
SCSI drivers? Any special controller?
Any suggestion(s)? 'Need help....

Thanks in advance!

16 replies

by toodamax

You just need to get a SCSI controller with a BIOS on it (Adaptec 2940 family with 50-pin connector). It will come with the drivers and cables needed. You do not have to upgrade the mainboard BIOS, as SCSI controllers do not rely on them to support the hard drive. Set it as if no hard drives were installed. The BIOS on the SCSI card will do all the translation necessary for the system to see the drive, though if your PC is old, it may limit the cylinders to 1023

by budnelson

Agree with answer !. In addition remember the red stripe on the cable is for pin 1. Would recommend Adaptec controller. Set BIOS as if no hard drive is installed. When the PC boots , you will see a "SCSI BIOS installed" message.

by hjs

You are screwed. This will never work. You need to sell it to me for $5.00. ;-)

by mayon

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by thefonz

Look at the model number on the drive and do a search on the IBM web site to get the hard drive specs you want. Here's a link. http://www-1.ibm.com/support/ Make sure the drive is properly terminated if it is not auto-terminating. Also completely agree with #1. The Fonz Lives!

by frock222

I agree with answer #1 just remember when setting the controller it must be set to 7 and the drive itself must be set to 0 if it is the primary drive.

by forestchild

You need a SCSI controller card. If it is to be the only disk in your computer, you should buy a SCSI controller with BIOS. Be careful if you can get a second hand controller that it supports disks above 2 GB. I would personally recommend Adaptec controllers. If the controller has a BIOS you do not drivers to access the disk. At boot up it will be recognized by the SCSI controller.

You also need a SCSI cable internal or external depending on the disk.

If it is to be your boot disk, don't forget to switch the SCSI ID of the disk to 0 (if not default). The jumper setting is usually printed on the back of the disk or on a booklet delivered with the disk.

Enjoy the SCSI technology !

by kyle

I work with adaptec and would like to speak to the first answer. The customer has a narrow bus. That would necessitate a narrow card. The 2940 is a wide card and would require the customer to get adapters and possible data loss and bus halts. The customer would be better suited for the 2906 or 2930 cards as they are designed for the 50 pin centronix connectors and bus speeds and will be easier to setup and more stable in the long run.
Also remember that in SCSI there is no master/slave settings....it is all id's and termination. Termination is the tricky part...and will require jumpers on an internal drive. Email me at ksaville@lacie.com and i can help you with the jumpers if you would like.

by darkelord

Although Adaptec SCSI controllers are, without a doubt, the best on the market, it's not especially the best option, especially if money is an issue.

Having said that, you're not going to spend money on a SCSI HDD without having plenty of itBut there are other SCSI HostAdapters out there that work as well as Adaptec cards. I found one by AdvanSYS that cost far far less than an Adaptec card and I never had a single problem.

Having said that, I only got it to run my old Atari drives, since space became a serious issue...

Hope it helps.

Darren

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