wrote:
SNIP
I downloaded dumppo.exe, but it did NOT "work" using the command: via
CMD.EXE (Command Prompt) :
"dumppo admin /ac minsleep=s3". I tried other commands too.

Any other "Standby" tools or technique for WinXP?

Thank You in advance, John
Not unless you can make the ftp.microsoft.com
FTP server work again.

Did "dumppo admin" work ? So you could review the
current capabilities ?

When I type

dumppo

it answers

dumppo: cap ps bs admin ac dc

See if the bellamy version gives those options.

Dumppo is *the* tool for ACPI problems, mainly because
there is no other tool...

Paul

Hi Paul,

The "answer" is exactly as you described above, "dumppo: cap ps bs...."

The file size is 13,584.

Maybe this has nothing to do with it, but I also checked BIOS settings
(at bootup) incase there was something there that is preventing "Standby",
but the closest setting I found was a "Suspend" timer which was "Enabled"
after 20 minutes (adjustable).

John

The "dumppo" tool is supposed to have two purposes.

1) List the currently supported ACPI states
2) Issue an override, in an attempt to re-enable missing
state support, when any associated hardware mis-configurations
have been corrected.

It doesn't help to do an override, if the underlying problem
is still present.

Say, for example, in WinXP, you look at Device Manager,
look under Computer, and it doesn't say "ACPI Multiprocessor PC".
When the word ACPI is missing, it means ACPI isn't present
at all. You would probably lose both Sleep and Hibernate.
The OS might then revert to APM (the older standard), and
you would see

"It is safe to turn off this computer"

in a 640x480 window just after shutdown. The computer
doesn't even know about the "power button" and cannot
"press" it's own power button in that case. What's under
computer is called the HAL (Hardware Abstration Layer),
and certain HAL transitions are hard to fix. Getting
ACPI back is a re-install (repair install).

When the BIOS supports ACPI, the BIOS passes ACPI
tables to the OS, the OS installer can install an
ACPI subsystem. The word "ACPI" will be present for
the entry in Computer.

In that subsystem, are standby, sleep, hibernate.
Sometimes, one of the "smaller" BIOS settings, disables
sleep support. The OS takes that to heart, and mimics
what it sees. It *removes* sleep support. And, it's
in no rush to put it back either. It's a trap door
behavior. For example, your CMOS battery could die one
day, and an errant setting could "tip over" your
Sleep in WinXP, requiring dumppo.

The "dumppo" program is like a hint. It's saying to
the OS "why don't you try sleep again". If the setting
takes and the OS doesn't disable sleep again, then the
dumppo listing capability should then show that sleep
support is back.

So the first step, is to try to get dumppo to list
the currently supported states.

https://s7.postimg.org/f1tp6fyaz/dumppo.gif

In the more detailed output, I have

S1 S3 S4 S5

There is no S2.

S1 = Standby (monitor goes blank)
S3 = Sleep
S4 = Hibernate
S5 = Soft Off

HTH,
Paul