I have an ATX power management problem which I don't understand how it
'works'. When the system is supposed to software restart, it shuts down
and cannot be restarted by using the power off/on switch. Its external
power supply has to be shutdown briefly, a second - there's a line power
switch in the rear that makes this less inconvenient.
This is not a homebuilt machine, but a cheap .tw 'beigebox' (actually
black) which may have been assembled with a mobo wirepair reversed or
something. Mobo^1 ECS741GX-M which is microATX SocketA AMDGeode +
SIS741/964 support. It is being used as an 'alternate' computer using
various linux distros and is currently partitioned into Mepis, Ubuntu,
Freespire, & Mint parts.
I can elicit the misbehavior in one of two general ways, from grub boot
manager or the bios setup, or from any of the 4 different linux distro
installations when optioned to restart on shutdown.
Starting at the most primitive, from the BIOS - if I enter setup during
POST, upon exiting setup which should go into software restart, instead it
shuts down and cannot be restarted by simply using the power switch. From
grub boot manager: during display of the boot options, ctrl-alt-del can
be used for software reset. Instead, same, it shuts down and cannot be
restarted by simply using the power switch. From any of the linux distro
shutdown options. If the option to restart is selected, same, it shuts
down and cannot be restarted by simply using the power switch.
In article <g8-dncRte4vTRtrVnZ2dnUVZ_sWdnZ2d@earthlink.com>, MikeE@ster.invalid says...
> I have an ATX power management problem which I don't understand how it
> 'works'. When the system is supposed to software restart, it shuts down
> and cannot be restarted by using the power off/on switch. Its external
> power supply has to be shutdown briefly, a second - there's a line power
> switch in the rear that makes this less inconvenient.
>
> This is not a homebuilt machine, but a cheap .tw 'beigebox' (actually
> black) which may have been assembled with a mobo wirepair reversed or
> something. Mobo^1 ECS741GX-M which is microATX SocketA AMDGeode +
> SIS741/964 support. It is being used as an 'alternate' computer using
> various linux distros and is currently partitioned into Mepis, Ubuntu,
> Freespire, & Mint parts.
>
> I can elicit the misbehavior in one of two general ways, from grub boot
> manager or the bios setup, or from any of the 4 different linux distro
> installations when optioned to restart on shutdown.
>
> Starting at the most primitive, from the BIOS - if I enter setup during
> POST, upon exiting setup which should go into software restart, instead it
> shuts down and cannot be restarted by simply using the power switch. From
> grub boot manager: during display of the boot options, ctrl-alt-del can
> be used for software reset. Instead, same, it shuts down and cannot be
> restarted by simply using the power switch. From any of the linux distro
> shutdown options. If the option to restart is selected, same, it shuts
> down and cannot be restarted by simply using the power switch.
>
> Hardware reset button/switch works normally.
>
>
> ^1
> http://www.ecsusa.com/ECSWebSite/Pro...x?detailid=422
> &CategoryID=1&DetailName=Feature&MenuID=52&LanI D=9 or
> http://snipr.com/2e3gr
>
> --
> Mike Easter
>
>
On Thu, 5 Jun 2008 05:26:05 -0700, "Mike Easter" <MikeE@ster.invalid>
wrote:
>I have an ATX power management problem which I don't understand how it
>'works'. When the system is supposed to software restart, it shuts down
>and cannot be restarted by using the power off/on switch. Its external
>power supply has to be shutdown briefly, a second - there's a line power
>switch in the rear that makes this less inconvenient.
>
>This is not a homebuilt machine, but a cheap .tw 'beigebox' (actually
>black) which may have been assembled with a mobo wirepair reversed or
>something. Mobo^1 ECS741GX-M which is microATX SocketA AMDGeode +
>SIS741/964 support. It is being used as an 'alternate' computer using
>various linux distros and is currently partitioned into Mepis, Ubuntu,
>Freespire, & Mint parts.
>
>I can elicit the misbehavior in one of two general ways, from grub boot
>manager or the bios setup, or from any of the 4 different linux distro
>installations when optioned to restart on shutdown.
>
>Starting at the most primitive, from the BIOS - if I enter setup during
>POST, upon exiting setup which should go into software restart, instead it
>shuts down and cannot be restarted by simply using the power switch. From
>grub boot manager: during display of the boot options, ctrl-alt-del can
>be used for software reset. Instead, same, it shuts down and cannot be
>restarted by simply using the power switch. From any of the linux distro
>shutdown options. If the option to restart is selected, same, it shuts
>down and cannot be restarted by simply using the power switch.
>
>Hardware reset button/switch works normally.
>> I have an ATX power management problem which I don't understand how it
>> 'works'. When the system is supposed to software restart, it shuts
>> down and cannot be restarted by using the power off/on switch.
>> Hardware reset button/switch works normally.
>
>
> Sounds like a crappy psu to me.
I'm not crystal clear on exactly what happens, sequentially, in a soft
reset/reboot compared and contrasted to what happens with a hardware ATX
reset/reboot.
Just to add confusions to this mess; I just 'recapitulated' a testing of
some of the software reset modes which I had just tested before posting
this message, and some of them performed a proper software reset -- so I'm
going to have to check it all out again and find out which ones are always
consistent and which ones are intermittent.
Power puzzle 
Linear Mode
