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A4999A compatable with rp7400

 
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Lacrosse
Regular Advisor

A4999A compatable with rp7400

Can I take a A4999A Ultra2 low volt SCSI diff SE card from a C class workstation (3750) and use it on a rp7400
5 REPLIES 5
Jeff Schussele
Honored Contributor
Solution

Re: A4999A compatable with rp7400

Hi Tex,

I searched & searched & cannot find anything definitive. BUT if it's a PCI card, I see no harm in trying. Either the kernel will recognize it - or not.
THEN the question becomes simply....support.
I, for one, would never place unsupported HW in a production environment.
It's a health thing - mental health. Would you want to explain the inability to fix a production problem to mgmnt?
So my advice to you would be - Call your local ASE & ask them to answer this question. That's why you pay HP all those big support $. Right?

Rgds,
Jeff
PERSEVERANCE -- Remember, whatever does not kill you only makes you stronger!
Eugeny Brychkov
Honored Contributor

Re: A4999A compatable with rp7400

This adapter is only supported in workstations and 32bit PCI slot
Eugeny
Lacrosse
Regular Advisor

Re: A4999A compatable with rp7400

Thanks for the answers just to clarify when yo say supported does that mean it may work but not supported

Re: A4999A compatable with rp7400


Unless HP has completely butchered the PCI specification in the rp7400, IMHO this shouldn't cause any problems. PCI is designed to be backwards-compatible all the way up through the PCI-X specification. Since the rp7400 and the C3750 are both basically new, this shouldn't be an issue.

I do agree with the others that HP/UX itself may or may not choose to recognize the card in the rp7400.

FWIW, I'm running a completely generic Symbios Logic PCI SCSI card in my B2000 system to drive an external DAT drive with no ill effects.
Jeff Schussele
Honored Contributor

Re: A4999A compatable with rp7400

Hi again Tex,

Here's a direct quote from HP's Rick Jones - one of my favorites:

\Quote
Do you simply want the card to work, or do you want the card to be supported? There is a difference in HP speak


Supported, known to work -> warm fuzzies all around
Supported, not known to not work -> an HPite may be in trouble
Supported, known to not work -> an HPite is in trouble
Unsupported, known to work -> lucky today, unlucky tomorrow?
Unsupported, not known to not work -> there but for the grace of Turing
Unsupported, known to not work -> no, it was not deliberate ;-)
$
\EndQuote

So it boils down to your comfort level. In Production mine has to be VERY high. As we migrate down the environment chain, the requirement recedes a little for me.

Rgds,
Jeff

P.S. How'd the 'Horns do this weekend? I'm in Jayhawk country, but grew up in Illinois so I'm an Illini fan so I don't follow the Big 12 much.
PERSEVERANCE -- Remember, whatever does not kill you only makes you stronger!