Subject: Re: laptop suspend/resume [was: Re: bet laptop for NetBSD?]
To: rudolf <netbsd@eq.cz>
From: Steven M. Bellovin <smb@cs.columbia.edu>
List: netbsd-users
Date: 09/01/2005 13:10:06
In message <43173440.4010609@eq.cz>, rudolf writes:
>Hi,
>
>Hubert Feyrer wrote:
>> I'm happy with my Toshiba Portege 3440ct.
>> It's very small (12"), and light. No CDROM, but also no ethernet and 
>> wavelan. Two pcmcia slots do that. Audio, suspend+resume(!), X (1024x768) 
>> work fine. Max RAM is 192MH, the CPU's at 500MHz. External VGA works 
>> (important for me). 
>> 
>> I'm actually looking for a faster replacement of tha machine too, but 
>> besides the 12" PowerBooks and iBooks I have only seen the Dell Latitude 
>> X300, but I don't know how well NetBSD works on either of them. Anyone got 
>> one and can share some ideas?
>> 
>> Esp. suspend/resume is a very nice feature to have, and I need external 
>> VGA to work.
>
>is the suspend/resume feature you are using described on following page?
>
>http://www.netbsd.org/Documentation/power-mgmt/
>
>What is happening with the content of RAM during suspend? Is it 
>nessesary to have something in userland event scripts, or 'it just works'?
>

Yes, that's it, and it mostly just works with APM kernels (but not, as 
far as I know, with ACPI kernels, which is a problem).  It uses battery 
power to keep RAM happy.

Btw, I'm a little skeptical of some of the advice on that page.  Disk 
technology has improved a lot since 1994; I wonder if the measurements 
are still valid.

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb