Processors; Memory - IBM RS/6000 Enterprise Server M80 Service Manual

Processors

The CEC drawer is powered independently from the I/O drawer and supports two processor cards.
Model M80:
v Can have any combination of 2-way or 4-way processor cards running at 500 MHz
v All 500 MHz processors can have their own 4 MB L2 cache
Model 6M1:
v Can be ordered with 500 MHz processors or 750 MHz processors
v Systems with 500 MHz processors can have one or two 2-way processor cards
v Systems with 750 MHz processors can have any combination of 2-way and 4-way processor cards
v All 500 MHz processors can have their own 4 MB L2 cache
v All 750 MHz processors can have their own 8 MB L2 cache
The Capacity Upgrade on Demand feature is available for this system when a minimum of four processors
running at 750 MHz are installed. The Capacity Upgrade on Demand feature is not available on systems in
which 500 MHz processors are installed. For more information about Capacity Upgrade on Demand, see
Chapter 7, "Using the Capacity Upgrade on Demand Feature," on page 351.
Note: In order for the system to boot, the first processor card slot must be populated.

Memory

v Model M80: 1 GB (minimum) to 32 GB (maximum)
v Model 6M1: 1 GB (minimum) to 64 GB (maximum)
v One or two memory riser cards; each riser card has thirty-two sockets. 128 MB, 256 MB, 512 MB, and
1 GB dual inline memory modules (DIMMs) are available.
v Certain 32 MB DIMMs from older RS/6000 systems can also be used when upgrading the system
memory.
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Service Guide