Hy! Here is the link to the Xserve G5 developer note: http://developer.apple.com/legacy/mac/library/documentation/Hardware/Developer_Notes/Servers/XserveG5/XserveG5.pdf .
I still do not know whether it is possible to install second-cpu, perhaps others can tell you more? Do you have a secondary cpu slot? Anyway, in the note it states: "Warning: DON’T TRY TO USE OLDER PROCESSOR CARDS! This connector differs from those in earlier computers and it is not pin-compatible." As for the memory upgrade, the maximum for this computer is 8GB (184-pin, unbuffered, ECC DDR400 SDRAM DIMMs, unbuffered, 8-byte, with parity, PC3200 compliant). Yours, Matevž Markovič -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list