Linux users of Sony Z1 series

[(Craig DeForest)]

Cool.  The wireless ON/OFF puzzles me, though.  My Z1RAP predates the
bluetooth, and it has never frozen in that way.  Then again, I'm using
an orinoco_cs Prism card rather than the original centrino wireless
card -- so maybe it's a driver issue.



Ionut Georgescu writes:
 > Just wanted to drop a note on ipw2100: WORKS GREAT!
 > Just follow the instructions at ipw2100.sf.net. Under debian the
 > ipw2100-source package was kind of old when I first tried it so I grabbed
 > the latest source from sf.net.
 > 
 > Right now I am using 2.6.5 with laptop_mode and I get easily 3.5 hours
 > under linux. sometimes almost 4, but I am not usually that 'quiet' when 
 > using
 > the laptop.
 > 
 > Hopefully it helps.
 > 
 > Issues also remain with the P1/P2 keys and the Wireless ON/OFF button.
 > The P1/P2 keys don't work at all and the Wireless button locks up the 
 > system
 > when turned off (this might have something to do with USB, though, because 
 > the
 > Bluetooth adapter sits on USB).
 > 
 > Greetings,
 > Ionut
 > 
 > 
 > Quoting Brouard Nicolas 
 > <>:
 > 
 > > Le jeu 01/07/2004 à 14:51, leonardo a écrit :
 > > 
 > > > hi, I've read your article on http://sauvy.ined.fr/~brouard/sony/
 > > > and since I'm a happy owner of a z1rmp I've got a couple of
 > > questions
 > > > and suggestions for you.
 > > > 
 > > > questions first:
 > > >          does your battery really last 5 hours? I can't go over 3 but
 > > >          I've read reviews saying that the z1 is not really performant 
 > > > on
 > > >          battery compared to other centrinos..
 > > 
 > > Do you mean on Linux or on Windows? On Windows it is about 5 hours if
 > > you don't use a high brightness and do only typing and thinking (and
 > > wi-fi is off, no usbkey etc.).
 > > 
 > > On Linux it is more difficult to get. You need a constant lowest
 > > CPUspeed which is not what I prefer (I like powernowd but don't have a
 > > overview of other alternatives like speedfreqd, cpuspeed etc.). And
 > > you
 > > have to spin down the disk (which means not using it). What I am able
 > > to
 > > do with the Z1 is to give a 4 hours lecture without the AC adapter and
 > > using an external projector (so the LCD screen is off). The pause in
 > > between is 15 additional minutes. I am not able to have a nice script
 > > which cancels the most consuming tasks, like gkrellm2, because I don't
 > > know which are the most consuming. I have sometimes useless daemons
 > > like
 > > httpd or cupsd which I could kill when running on battery. So it is
 > > possible to optimize.
 > > 
 > > But I have read that the Linux kernel is not as good as Windows
 > > regarding power consumption.
 > > 
 > > I will check what I have read on this subject on my web page. It is
 > > probably exagerated concerning Linux but my installation is not
 > > optimized. I have found a specialized web site on power consumption
 > > under Linux but I lost the link. 
 > > 
 > > If you have precise measures on your Z1 I will add your timing of 3
 > > hours (but I need to know for what use LCD screen off, etc).
 > > 
 > > 
 > >            does it happen to you that your hard disk (lying under your 
 > > left
 > > 
 > > >          hand while typing) gets really hot? hddtemp says it reaches 55
 > > >          degrees under normal usage...
 > > 
 > > Under my left hand it is very cold (and has always been cold). Where do
 > > you get hddtemp? 
 > > 
 > > In /proc/acpi/???
 > > 
 > > > suggestion then:
 > > >          why don't you link your page to tugmobil.org?
 > > 
 > > I will check that.
 > > 
 > > >          maybe you already know but there's a intel centrino wireless
 > > >          chipset driver for linux, google for "ipw2100"
 > > 
 > > I have heard from Cyril recently about ipw2100 and will test it when I
 > > will have time.
 > > 
 > > 
 > > Many informations of my web page are wrong now and that is fortunate
 > > because things are evolving:
 > > 
 > > If you patch  kernel 2.6.7 (with unstable patches) you can get ACPI S4
 > > working with swsusp2 (from Cyril Watebled).  Swsusp2 has been reported
 > > working with kernel 2.6.5 too (Ionuţ Georgescu)
 > > Also the Alps touchpad is recognized with the unofficial alps.patch
 > > from
 > > the "synaptics" software (Cyril Watebled reported that).
 > > I am including a recent proposition of a patch (for Alps) for the
 > > official kernel. Dmitry is waiting for a feedback but I don't have
 > > time
 > > to do anything currently (so If you have some time...)
 > > 
 > > I am copying this message to Cyril, Ionut and Craig de Forest
 > > (sonypidd)
 > > because they all have a Z1 and might be interested in such news.
 > > 
 > > Having at least "suspend to disk" working (no current hope for S3) and
 > > being able to type a text without having a cursor jumping erraticaly
 > > when your hands touch inadvertedly the touchpad could really improve
 > > my
 > > life.
 > > I will try to find time to patch a recent kernel and why not 2.6.7 .
 > > 
 > > Cyril has an optimized configuration (gentoo, 2.6.7) so he could
 > > probably send us his config file.
 > > 
 > > Which is the mailing list where we could discuss such improvements on
 > > Sony (Z1) laptops (I am waiting for S3 working). 
 > > 
 > > Cheers,
 > > Nicolas Brouard
 > > 
 > > 
 > > 
 > > 
 > > > cheers,
 > > > leonardo.
 > > 
 > 
 > 
 > 
 > ***************
 > * Ionut Georgescu
 > * http://www.physik.tu-cottbus.de/~george/
 > * Registered Linux User #244479
 > *
 > * "In Windows you can do everything Microsoft wants you to do; in Unix you
 > * can do anything the computer is able to do."***************
 > * Ionut Georgescu
 > * http://www.physik.tu-cottbus.de/~george/
 > * Registered Linux User #244479
 > *
 > * "In Windows you can do everything Microsoft wants you to do; in Unix you
 > * can do anything the computer is able to do."