About Ultrasparc Ii Cpu Modules - Sun Microsystems Ultra Enterprise 450 Upgrade Manual

About UltraSPARC II CPU Modules

The Ultra Enterprise 450 server supports up to four 400-MHz UltraSPARC™ II CPU
modules, each with 4 Mbytes of integrated cache memory. The following figure
shows the new unshrouded 400-MHz UltraSPARC II CPU module.
Identifying CPU Modules
Before installing a CPU module, verify that the module is one of the following
UltraSPARC II modules for Ultra Enterprise 450 server systems. The following table
identifies CPU module speeds.
Module Speed (MHz)
250 MHz
300 MHz
400 MHz
Note – If the CPU module you are installing has a part number of 501-5239-04 or
higher, you will need to apply a Class A EMC label to your Ultra Enterprise 450
server. Follow the instructions under "Class A EMC Label" on page 12.
8 Ultra Enterprise 450 Server Board Upgrade Guide • June 1999
Part Number
501-4857 or 501-4278
501-4849 or 501-4196
501-5239 or 501-5446