#4444 - 1 GB DDR Main Storage (DDR1; 256 Mb technology, CCIN 309B) (ships four 256 MB DIMMs for a total of
1 GB)

#4449 - 8 GB DDR Main Storage (DDR1; 128 Mb technology, stacked, CCIN 30D5) (ships four 2 GB DIMMs for a
total of 8 GB)

Install DIMMs in sets of four (quads) with one exception: A single pair of 256 MB DIMMs is allowed on the #8950 processor.
Add an additional pair of 256 MB DIMMs to the original pair (to make a quad) whenever more DIMMs are added. Then one
additional quad of DIMMs can be added to the system. For the #8950 processor, the first DIMM pair goes into DIMM slots
J0A and J2A. The second pair of DIMMs goes into slots J0C and J2C.
The first quad of DIMMs is plugged into DIMM slots J0A, J2A, J0C, and J2C.
The second quad of DIMMs is plugged into DIMM slots J0B, J2B, J0D, and J2D.
Sean Porterfield

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Chris Bipes
Sent: Monday, September 21, 2009 12:05
To: Midrange Systems Technical Discussion
Subject: 9406-520 Power 5 memory locations

Good morning. Last Thursday I had a failed attempt at having a memory upgrade performed. I contracted out the install as the server is 2000 miles from home. The installer did not put the memory into the correct locations so the machine did not want to boot. Our current configuration has two #4444 1 GB features and I am removing one of them and installing a #4449 8 GB feature. Now everyone tell me that the system can be configured this way. I have been searching IBM trying to find out the exact pattern the memory need to be installed in with no luck. Does anyone know which of the 8 slots the memory has to be installed in?

The final result will be 9GB with one #4444 and one #4449 memory features.

Chris Bipes
Director of Information Services
CrossCheck, Inc.

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