Hi! I've acquired a Giga Designs G-Celerator G4/1.0 AGP (5-9310U) CPU unit that was running in a Power Mac G4 AGP (originally 350 MHz) *overclocked* at 1.2 GHz. It was running flawlessly at this speed, so I guess this greater than 20% overclocking is no problem for this very G4 CPU.
The G-Celerator G4 GC5-933-S2 is actually a 933 MHz MPC7455 that was overclocked by Giga Designs to 1.0 GHz which makes it by design 7.18% overclocked. http://www.everymac.com/upgrade_cards/gigadesigns/g_celerator/g_celerator_g4_1.0_agp.html I guess the GC5-1000-S2 is very similar: http://www.macworld.com/reviews/product/406426/review/giga_designs_v_gcelerator_gc51000s2.html My only problem is now that I cannot find any documents on how to set the jumpers to make it run at any other speed – or for a 133 MHz system bus for that matter. I know that right now it is set to a multiplicator of 12x (100 MHz system bus ×12 = 1.2 GHz CPU), but this is no help at all. I also don't what to experiment with the jumper settings. These are right now: J1 through J5: closed – closed – open – closed – closed J7 through J10: closed – open – closed – closed I did find a PDF file for the Cube version, but it isn't at all adoptable: http://cubeowner.com/kbase_2/file_d.php?id=20 Anyway, this Cube document makes be think, that J1–J5 is the multiplicator (CPU speed) J7–J10 is the voltage (as it is on the backside and, like for the Cube, small jumpers) Does anyone here possess a document that describes the jumper settings for the GC5-933-S2 (5-9310U) G4 upgrade by Giga Designs? Or a source on the web that I didn't find yet? Please help. Cheers, Andreas aka Mac User #330250 -- 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 [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list
