HP Kayak XA 05xx HP Kayak XA Series 05xx, Service Handbook for Desktop models - Page 8

HP Kayak XA Desktop Series 05xx PC Workstations Replacing the Processor The PC Workstation has only one processor slot on the system board and is supplied with either a Pentium II or Pentium III processor which includes an integrated heatsink, level-1 and level-2 cache memory. The processors are contained on a module which is installed in the processor socket and is held in place by a bracket. To remove the processor, press the two plastic clips towards each other and pull the processor out of its connector. Cache Memory 512 KB of level-two cache memory is integrated in the Pentium II Slot 1 processor package. Main Memory The PC Workstation has three DIMM slots on the system board for installing main memory; slots Mem 1, Mem 2 and Mem 3. Models are supplied with 64 MB of non-ECC main memory. Memory upgrades are only available in single 32 MB, 64 MB, 128 MB or 256 MB unbuffered ECC SDRAM modules. Memory can be upgraded to a maximum of 768 MB using multiples of (3 x 256 MB) of unbuffered ECC memory modules. A serial EEPROM on each DIMM contains data on the memory speed. This information is read at each power on, and access time settings are set accordingly. Video Memory Upgrade The graphics controller installed on the PC Workstation could be either an ELSA GLoria Synergy™ or a Matrox Millennium G200. The Matrox Millennium G200 has a total of 8 MB of video memory already supplied on the graphics controller board. Memory may be upgraded to a maximum of 16 MB by installing a memory module of 8 MB onto the board. No switch or jumper settings need to be changed. The ELSA GLoria Synergy includes 4 MB of video SGRAM memory installed on the graphics board. Added to this, there is a pre-installed 4 MB SO_DIMM video memory module, giving a total of 8 MB (this is the maximum amount of video memory possible). 9 Medium-Profile Desktop PC Workstations HP Kayak XA Desktop Series 05xx PC Workstations 9-7