HP3000-L Archives

March 2000, Week 4

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Dennis Heidner <[log in to unmask]>
Reply To:
Dennis Heidner <[log in to unmask]>
Date:
Fri, 24 Mar 2000 19:24:53 GMT
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The formula for MPEiX 6.0 and prior is:

"Actual memory requirements will vary depending on.... etc...

Memory = 24MB + Application Requirements +
                [(1.0 to 1.5 MB) x number of concurrent users] +
                128MB x number of processors.

The above equation is for 9x9's...

Maximum memory with MPEix 6.0 and earlier is 3.84G, after MPEiX 16 GB
(8GB for 9x9),  a new 997 with MPEiX 6.5 can have 12 processors.. so
using the formula you have provided, at least 13G of main memory would
be required.. but only 8.2G is allowed.

For 997's the suggested memory minimum is 4GB for a 12WAY processors.
For a 4 WAY 997, the suggested minimum is 1 GB.  There are all kinds of
caveats with the memory including memory interleaving, mixing 512MB
modules, 256MB modules, carriers, etc.  You really need to talk to HP if
you want an accurate answer.


I prefer to use the rule of thumb...(new machines) start with 1 GByte if
possible and if your budget permits - max out the memory.  Almost every
version of the OS takes additional memory (but not as much as the
suggested increment)... and the eliminates all the extra disk paging.



Chuck Ryan wrote:
>
> Nope, the formula is for RAM.
>
> OS and network processes - 128 mb
> 5 mb per user
> 20 mb per batch job limit
> ratio of 1% memory to total disk
> 1 gb memory per processor
>
> And adds that a minimum for 6.5 is 4gb
>
> -----Original Message-----
> From: Mark Bixby [mailto:[log in to unmask]]
> Sent: Wednesday, March 22, 2000 4:27 PM
> To: [log in to unmask]
> Subject: Re: MPE/iX 6.5 memory requirements
>
> Hi all,
>
> Is it at all possible we're talking 4GB of *LDEV1* here, instead of 4GB of
> RAM?
>
> - Mark "haven't seen the specs we're talking about" Bixby

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