scsi high voltage differential drive

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bradbobak
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scsi high voltage differential drive

Unread postby bradbobak » Mon Feb 13, 2012 9:58 am

Looking for one >= 9gb for my hp c180 workstation.
Tried ebay, searching for 'hvd' and 'high voltage' but didn't get many hits.

I'll pay up to $25 CAD (this includes shipping) if anyone has one for sale.
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SAQ
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Re: scsi high voltage differential drive

Unread postby SAQ » Mon Feb 13, 2012 11:01 am

bradbobak wrote:Looking for one >= 9gb for my hp c180 workstation.
Tried ebay, searching for 'hvd' and 'high voltage' but didn't get many hits.

I'll pay up to $25 CAD (this includes shipping) if anyone has one for sale.


I personally have never seen a HVD drive bigger than 9GB, so they're not common.

Several companies made converters that allow you to use SE drives on a HVD bus, this is the way I'd go. Any HVD drives you'd get nowadays almost certainly have many hours on the clock.
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bradbobak
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Location: Windsor, Ontario,Canada

Re: scsi high voltage differential drive

Unread postby bradbobak » Mon Feb 13, 2012 11:23 am

Ok, I've looked around and these converters are much more than I want to put into this system.
I'll continue using the 3 x 2gb hvd drives currently in it.
Thanks for the reply SAQ.
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josehill
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Re: scsi high voltage differential drive

Unread postby josehill » Mon Feb 13, 2012 12:16 pm

bradbobak wrote:Ok, I've looked around and these converters are much more than I want to put into this system.

It might still be worth making an inquiry with vendors. I'd bet that a lot of the vendors just have old inventory that has been sitting on a warehouse shelf with little prospect of ever selling, at least not for the $200 or more that is sometimes quoted. If you reach the right person, you might be able to pry an adapter away for something much less than the asking price.

Like SAQ, I've never seen an HVD hard disk drive larger than 9 GB, but I have seen larger capacity HVD drives on parts lists. Nonetheless, by the time that 18 GB drives of any flavor were widely available, it was clear that LVD and other technologies were the future, so HVD drives larger than 9 GB are probably exceedingly rare.

SAQ
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Re: scsi high voltage differential drive

Unread postby SAQ » Mon Feb 13, 2012 2:17 pm

I had/have a C180, and my solution was going to involve a stripped DEC DWZZB-VW SBB module, but then a cheaper B1000L appeared. C200 and better use Ultra-SE SCSI, so they might be a good move. They're also cheap now. All of this is assuming that you don't want/need to run older HP-UX.
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jc179
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Re: scsi high voltage differential drive

Unread postby jc179 » Tue Feb 14, 2012 3:29 pm

I have a few old 4 gb seagate dual height 3.5" drives, which are HVD 68 pin. You can have those for shipping if your interested, actually I'm located pretty close to you if you wanted to pick them up.

Jonathan

edit: FWIW here is a picture of them, model # is ST15150WD I believe, 42 mm seems about right for thickness. HTH.

http://images.esellerpro.com/2131/I/457 ... %20485.jpg

Image
Last edited by jc179 on Tue Feb 14, 2012 4:03 pm, edited 3 times in total.
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bradbobak
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Location: Windsor, Ontario,Canada

Re: scsi high voltage differential drive

Unread postby bradbobak » Tue Feb 14, 2012 3:55 pm

Unfortunately, I wouldn't be able to fit 2 full height drives in it, thanks anyhow.

I think I will just save my pennies and get another hp-ux machine.
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ramq
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Re: scsi high voltage differential drive

Unread postby ramq » Tue Feb 14, 2012 10:32 pm

Geeez... I remember those Barracuda drives back then. Outperformed all the others and was rock solid.
We had boatloads of 9GB'ers back in the days at my former employer.

We also had a couple of HP K-class machines and they had five or so of the so called 'Jamaica' boxes which was hotplug Fast/Wide-Diff drives and we had atleast 10 x 9GB drives and the rest were 4GB. I know we gave them away years ago, but god knows where they went.

FWIW, this is the info I got around 9GB Diff drives:
A3649-69002
A5238-69001
A5285-69002

Seagate pulled the plug on HVD drives at one time and HP got around and did SE<->Diff converters inside the disk carriers to accomodate regular harddrives instead, but still usable in the Jamaica-boxes:
A3649A Replaced by A5238A
A3649-69002 HP09 ST19171W 9Gb HH
A5238A A5238-69001 HP15 ST39173WC ST39175LC DGHS09Y 9Gb LP
A5285A A5285-69001 HP07 ST39236LC ST39175LC 9Gb LP
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