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From: luism@genesis.Berkeley.EDU (Luis Miguel)
Newsgroups: comp.sys.hp
Subject: Re: Attaching backplane expander to 9000-350
Message-ID: <41145@ucbvax.BERKELEY.EDU>
Date: 26 Feb 91 18:08:25 GMT
Sender: nobody@ucbvax.BERKELEY.EDU
Reply-To: luis@postgres.berkeley.edu
Organization: UC Berkeley
Lines: 59

In article <7370319@hpfcso.FC.HP.COM>, rjn@hpfcso.FC.HP.COM (Bob Niland) writes:
|> re: > Well, given that my 9000-350 does not have any empty slots,...
|> 
|> > We happened to have an HP98568A 8-slot backplane expander here, When
|> > trying to install it, though I find that the manual (and expander) assume
|> > that the computer has "short" DIO1 slots, whereas my 350 has long DIO2
|> > slots.
|> 
|> If all 4 full-width DIO-II slots in your 350 are full, as is likely the
|> case, what you need is either:
|>   98568A Option 132   or
|>   98570A (with or without Option 004, depending on your needs)
|> Both of these interconnect with the base SPU via the DIO-II bus.
|> 

Correct Bob, all 4 slots are full. I spoke to HP SUpportLine yesterday,
and they told me the same thing.

|> The standard (no Option) 98568A is intended for use with the Model 310, 320
|> or 330 DIO-I computers.  It will work with DIO-II models, like the 350, if
|> they have the top DIO-II slot converted to a DIO-I pair via a 98242B kit.
|> This is not officially supported.

This is where I get mad. The "HP-UX Installing Peripherals" manual,
has on page 2-2 a box saying that the 98568a is supported for the
350. Nowhere in the manual (or the 98568a documentation) does it
say that "option 132" is needed. Pretty frustrating !!!!

|> In your case, your slots are probably all occupied by the larger DIO-II
|> cards:  CPU, RAM, Video, system interface.  There is no kit to convert a
|> standard 98568A to the Option 132 configuration.  Depending on the vintage
|> of the 98568A, the number of parts to be changed is significant.
|> 

Correct again. I am caught in a bind. In order to get more expansion I
need to:

	- ditch 1 dio2 card, get the (unsupported) 98242b kit.
		or
	- get a completly new 98568a with option 132 --- $2500, plus
	  I ditch the 98568a i have.
		or
	- getting a 98570a (another expansion box?) for $XXXX ,
	  and ditching the 98568a.

No good solutoin, given that my advisor just had 2 of his 3 grants
cancelled (courtesy of "Saddam vs Bush"). Any other alternatives?

Is there a market for used//discarded equipment inside HP that
I could tap into?

Thanks a ton.....

/Luis

Luis Miguel. Computer Science Division, UC Berkeley.
arpanet: luis@postgres.Berkeley.EDU         
uucp: {ihnp4,decvax}!ucbvax!postgres!luis                    
at&t: (415) 642-8234


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