As soon as, 250 W is reached, the computer shuts down. I used a Kill-A-Watt to see the instantaneous power.
Basically, with any App that requires some power the computer shuts down and reboot. The computer boots but immediately shuts down and reboot when I open Safari (or Firefox). By the way, the motherboard appears to be Foxconn made and has a whole bunch of NCC on it. So this thread is about what the PSU looks like and a little bit about it. Or maybe just get all of the caps under 450v just to have on hand.ĭoes anyone have any idea who made those polymer caps?Īnyways, I've noticed a lack of information available on Mac internals, especially the Mac Pro. I was thinking that maybe it might possibly be a good idea to replace all of those TAICON caps even though they look OK. The PSU seems well constructed and when running the system is a paragon of Stability. Here's the Capacitor list, with the exception of one tiny NCC that was under a heatsink and gobbed down with glue and of course the ceramic disc and "other" caps:ġ6x ? 330 /16v Polymer caps marked "PS665"Īll caps appear to be standard sizes and in good condition.
There is no internal fan, but there is a 120mm dedicated PSU fan mounted in the case. The PSU has a total of four similar output connectors with 8-12 wires in each (keyed to prevent mis-connects). There do not appear to be any 3.3V or 5V outputs. It appears to have six 12V outputs of 11-18A each and one 5v standby rated at 5A. The PSU is made by Delta and is rated at 980w output. so today I disassembled, cleaned and inspected the PSU and even took some pictures. So, while I had the system apart for dusting I thought that maybe taking a close look at the PSU might be a good idea. I was a little suspect of the PSU in particular because of my G5 iMac PSU with the bloated Ltecs in it. I've got this killer monster dual-Xeon Mac Pro which is the best computer that I've used so far and.
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