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Old 11-17-2013, 05:52 PM   #1
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Registered: Apr 2013
Location: Europe
Distribution: Slackware
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Your kernel does not support APM

Hello together,

I want to use on my laptop apmsleep:
bash-4.2# apmsleep -S 08:00
apmsleep: Your kernel does not support APM.
apmsleep: Recompile kernel with APM and /dev/rtc support
bash-4.2# pwd
bash-4.2# make menuconfig
but where can I find this option?

uname -r 
Release 14.1 Slackware.


Thank you very much for your help.

Kind Regards
Old 11-17-2013, 06:22 PM   #2
Didier Spaier
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Registered: Nov 2008
Location: Paris, France
Distribution: Slackware{,64}-{14.1,current} on a Lenovo Thinkpad W520
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IIRC, APM is obsolete and has been superseded by ACPI regarding power management.

EDIT Anyhow, CONFIG_APM is not set in kernels for Slackware64-14.1

Last edited by Didier Spaier; 11-17-2013 at 06:30 PM.
1 members found this post helpful.
Old 11-17-2013, 06:24 PM   #3
Registered: Mar 2008
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I get the feeling any laptop that can run 64 bit does need or should be using acpi and may not even support apm. You shouldn't have any apm options in bios.

From freebsd but it ought to be similar.

"ACPI can be used to put the system into a sleep mode with acpiconf(8), the -s flag, and a 1-5 option. Most users only need 1 (quick suspend to RAM) or 3 (suspend to RAM). Option 5 performs a soft-off which is the same action as:"

Bios options may affect this all.

Last edited by jefro; 11-17-2013 at 06:26 PM.
Old 11-18-2013, 09:30 PM   #4
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Registered: Jul 2011
Location: California
Distribution: LFS-7.6, Slackware 14.1, FreeBSD 10.1
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APM was for i486 and older Pentium Pro era CPUs. Everything since Pentium-II/Celeron has used ACPI.


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