Gentoo Archives: gentoo-amd64

From: Richard <skitfish@×××××.com>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] Wake On LAN Issue
Date: Thu, 04 Sep 2008 14:38:36
Message-Id: 1220539107.3263.29.camel@skitfish
In Reply to: Re: [gentoo-amd64] Wake On LAN Issue by Bob Sanders
1 Thank you for your help. I had a feeling it might be the capacitors :)
2
3 Richard
4
5 On Thu, 2008-09-04 at 06:59 -0700, Bob Sanders wrote:
6 > Richard, mused, then expounded:
7 > >
8 > > However, if I wait a few hours before sending the magic packet, the
9 > > machine does not power back up and the machine can only be powered back
10 > > up by pressing the power button on the machine itself. After testing
11 > > this over and over, I know as a matter of fact that the only thing that
12 > > causes the magic packet to fail to power the machine back up is time; if
13 > > I leave it too long between powering the machine off and sending the
14 > > magic packet.
15 > >
16 > > Has anyone else here experienced this?
17 > >
18 >
19 > Can't say that I have. But what you describe is a failing Standby
20 > voltage circuit. It could be the power supply or it could be the
21 > motherboard.
22 >
23 > If either has significant age on them, then most likely to electrolytic
24 > capacitors associated with the circuit have gone bad. Or it could
25 > simply be bad design and no real testing of the function during
26 > production.
27 >
28 > Bob
29 > -
30 >