RS6000 Memory Upgrade

RS6000 Memory Upgrade

Post by Greg Haye » Thu, 28 Nov 1996 04:00:00



We have an RS6000 C10 with 64MB memory.  I want to upgrade to 128 MB and
since the MB has four empty memory slots and the Power PC book states 72pin
SIMMS, I purchased four 16MB (4x32) SIMMS, but the system reports an error
in each memory slot.

Does the C10 require special memory?  Will a 4x36 SIMM work?

Thanks

Greg Hayes

 
 
 

RS6000 Memory Upgrade

Post by Wendell Ding » Fri, 29 Nov 1996 04:00:00



Quote:

>We have an RS6000 C10 with 64MB memory.  I want to upgrade to 128 MB
and
>since the MB has four empty memory slots and the Power PC book states
72pin
>SIMMS, I purchased four 16MB (4x32) SIMMS, but the system reports an
error
>in each memory slot.

>Does the C10 require special memory?  Will a 4x36 SIMM work?

>Thanks

>Greg Hayes

4X32 implies NON-parity simms. You would need 4x36 TRUE-parity simms.
There are lots of fake-parity simms out there, I don't know that they
won't work, but I'd probably avoid them...

 
 
 

RS6000 Memory Upgrade

Post by Ed Rav » Sun, 01 Dec 1996 04:00:00



Quote:>4X32 implies NON-parity simms. You would need 4x36 TRUE-parity simms.
>There are lots of fake-parity simms out there, I don't know that they
>won't work, but I'd probably avoid them...

What's the difference between "TRUE-parity" and "fake-parity"?  You
mean some memory vendors are lying to us?

--
Ed Ravin        |If I were not a little mad and generally silly

                |I should show you in a moment how to grapple with the question
+1 212 678 5545 |And you'd really be astonished at the force of my suggestion.

 
 
 

RS6000 Memory Upgrade

Post by Stuart D. Gathm » Wed, 04 Dec 1996 04:00:00


Quote:>What's the difference between "TRUE-parity" and "fake-parity"?  You
>mean some memory vendors are lying to us?

Short answer:   YES.

Long answer:    a "logic parity" SIMM is a no-parity SIMM with parity
generation logic on board to fool the parity checking logic on
the motherboard into believing that the memory has correct parity.

Top two takes on parity by salespersons :-)

1) "You don't want parity memory, you might get parity errors!  And
    a parity error makes Windoze freeze with a cryptic message."
   (Computer City salesman)

2) "You don't need parity memory, I've used no-parity memory on my
    home PC for 2 years and I've *never* had a parity error!"
   (Micro Center saleswoman)
--

                        Business Management Systems Inc.
                        Phone: 703 591-0911 Fax: 703 591-6154
              "Microsoft is the QWERTY of Operating Systems" - SDG

 
 
 

1. RS6000 M320 memory upgrade (help please)

Hello,

We have just received a box for a 16Mb to 48Mb upgrade on
our two RS6000 model 320's.  Unfortunately, I see no set of
instructions attached so I suspect it must be a trivial
task.  Before I embark into this (this weekend), I'd appreciate
if some of you could share their experiences and hand out some
free advice to me.

Thank you,


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