Some 1.o GHz, 768 RAM machine that you put Vista on.
Note: I've posted this to inform other G4 users on how well Leopard runs on a G4 machine, since by the next OS release, G4's are bound to cleaned off of the compatibility chart
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Okay, I have successfully gotten Leopard onto my iMac G4, which barely meets the requirements as it is. 1Ghz and 756MB of RAM is cutting awfully close, but after solving the blue screen of death (or birth), Leopard is up and running for me.
I have noticed that performance is somewhat reduced compared to Tiger and that according to iStat Pro, the CPU is just working hard for everything. It says that the CPU is constantly running and that the user (me) is using roughly about 30% of its power (or in the 20-40% range). It jumps around a lot, but the only thing running is iStat in the Dashboard. Also, Spotlight fails to complete indexing the HD within a reasonable time. Recently, it finally decided to give me an estimate of 3-4 hours to complete it. My MBP did it in less than 10 minutes if I recall correctly. But you can't compare a dual-core Intel laptop to a 1Ghz PPC desktop with one core and less than half the clock speed.
Even though the system is in a constant state of flux at best, it still runs OK. Some programs take awhile to load, but most are not sluggish, which surprises me. I think the only sluggish program is Photo Booth, which runs on my G4 now with my old Firewire iSight camera. But that's too be expected I suppose, since I think it was made for the Intel machines. Maybe it was on the G5 with iSight... but perhaps that's wrong.
Anyhow, most G4 users that meet the specs should be OK, not great, but OK. If you have a nice iBook with the 1.4Ghz CPU and however much RAM it takes, even better I guess. Powerbook users shouldn't have too much of a problem. In short, G4 Macs will run Leopard pretty well, but your monitoring programs are going to say otherwise depending on your configs (iStat). Intel users will probably get more of a kick out of the bells and whistles, so I'm in luck with having both
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Again, most stuff runs well, so you shouldn't have too many problems. But if you want to keep it plain and simple, Tiger well most definitely save you any trouble. Cheers.
-BMF

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