Re: G4 (quicksilver?) PSU dying
Hauke Fath <[email protected]>
| Newsgroups | gmane.os.netbsd.ports.macppc |
|---|---|
| Organization | Lacking |
| Message-ID | <[email protected]> |
On Sat, 12 Dec 2020 15:00:16 -0500, David H. Gutteridge wrote: > On Fri, 11 Dec 2020 at 16:27:00 +0100, Martin Husemann wrote: >> I have not disassembled it yet. The only easily measurable data points >> are >> from a spare hard disk connector: +12V is fine, +5V is low (4.6 - >> 4.8V) but >> relatively stable even in the second it shuts down. When it shut down >> it often will not power up again in the next few minutes. >> >> I'll disassemble it and check for obviously leaked elcos and similar. This site <http://atxg4.com/> is known? > I have a slightly newer variant of that dual G4, and I've started seeing > what could be related behaviour. Once powered down, it will not power up > again without my pulling and replacing the cable from the machine's > power receptacle. It also makes an audible ticking sound when plugged > in. I have heard similar from Duo Dock and IIci power supplies. Each has its own preferred failure mode, though. And fixing switched power supplies is not for the faint of heart. Cheerio, Hauke -- Hauke Fath <[email protected]> Linnéweg 7 64342 Seeheim-Jugenheim Germany