Are there any internal ethernet or video cards in one of them?
Are any PCMCIA cards inserted?
Are there ADB devices attached to the ADB port?
What screenmode (colour depth) are they configured to?
Do both have the same Sonnet card installed (there are many versions of Sonnet cards)?

But before answering those questions please reset the PMU.
In case you don't know: after powering on keep apple, alt (option), P and R pressed until the screen goes black and you hear the startup chime (again). If you don't hear the startup chime after some time (that's maybe a bad sign) you have to press the reset button between the ADB and serial port.

What are the points where the system turns off? They can't be totally random.

Tobias

Am 27.05.2006 um 15:22 schrieb Peter:

Hi Tobias,

Both systems have the Sonnet G3 upgrade and maximum of ram. I just swap
the HD, so they use the same version of Debian (Sarge) and kernel
arguments. I boot from HD with miboot. I suspect my old pb1400cs is just
nearing the end of its life, but it could be some kernel related issue
maybe.

Peter

On Fri, 2006-05-26 at 13:24 +0200, [EMAIL PROTECTED] wrote:
Hi Peter,

that's very strange.
What are the differences in the hardware configuration of both systems
(all internal and external devices, screenmode, RAM, ...)?
Did you use the same boot loader?
Did you use the same kernel arguments?
Are there differences in the software configuration (Debian version)?

Chances are good that the CF cards will run better with my latest
interrupt handling improvements.

Tobias

-----Original Message-----
Date: Fri, 26 May 2006 12:50:53 +0200
Subject: Re: [Nubus-pmac-users] again new kernel images (SCSI and
interrupt fixes)
From: Peter <[EMAIL PROTECTED] style="margin:0px;">
To: nubus-pmac-users@lists.sourceforge.net

Hi Tobias,

I've been testing your latest images, and they work great on a Powerbook
1400c/166 that I borrowed from a friend, but not on my trusty old
powerbook 1400cs. Both have the Sonnet G3 upgrade installed. On my
1400cs the bootproces just hangs at various stages, or the computer just powers off/shuts down during boot. It is possible that my pb1400 is just slowly dying, but it used to work with the older 2.4.27 kernels, and it
still runs OS 9.1 too.
Has anyone been successfull with the latest kernels and a pb1400cs
model?

I still haven't given up on the CF drive install either so that I can
run a quiet little webserver on it. It's good to see that tek has
similar plans, so please keep us posted on your progress tek :-)

Peter




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