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Card Reader on BenQ S52

In my continued coverage of getting my BenQ S52 laptop running correctly under Ubuntu Linux, I recently had the need to use the integrated memory card reader with an SD card.

And Lucky me it didn’t just work so I hunted around the internet which lead me to an article on the Ubuntu forums. However I found that this does not work with this particular laptop and should not be done.

The solution however is simple you just have to make sure the tifm_sd module is loaded. The it does just work which is great. Though if you are wanting to use another type of card with this reader you are out of luck for now as SD is the only format that is supported by the driver at the moment.

So to load this module once

> sudo modprobe tifm_sd

But to load it at every boot add tifm_sd to /etc/modules

BenQ s52 v54 ACPI

I have now had a few requests from non native English speakers for the compiled version of the ACPI DSDT that I have created for my laptop. So it is linked here.

Compiled DSDT for BenQ s52 v54

The source copy is located on the acpi website. Please note that this is the upgraded BIOS that you can get from benq version A32.

See the DSDT page from acpi for how to get this into your kernel.

Also thanks to Peter Westwood for his mime-config plugin for wordpress for sorting out the upload of this perculiar file type.


For a while now I have been waiting for tomboy to be ported to windows because I am stuck in windows land for now because of my sound problem. However on the net it is always talked about having tomboy for Windows but no one has ever released anything that could be considered usable.

So I just started to search for a desktop wiki for windows and I came across wikidPad. It’s written in python using wxwidgets, it is uncompromisingly geeky. In that it is uses a wiki style markup and stores everything in text files, ahh the geekness. It has full regex search and incremental searching of pages. It exports to HTML for showing others.

So like Accountants use Excel for recording their thoughts and ideas I can now record in a wiki.

Other useful features is auto save and tags so you can always find what you were working on. I thoroughly recommend it for anyone who needs to record their ideas and loves not using the mouse, everything has keyboard shortcuts and it is a syntax based markup so no trying to find bold just type the syntax.

Laptop Support From Where?

I would like to say that I am completely disgusted with the support some vendors provide for their hardware. I have been trying to get sound working under Linux now for my BenQ S52-v54 for a long time now, it has now come to the point that I am trying to write a patch myself, yey for kernel hacking.

This is a documented bug in ALSA for my laptop as one of the notes said this is a CX20551 chipset from Conexant I event went to the trouble of filing for support:

The chipset on this laptop does not work under the Linux Alsa architecture and is a current bug request:

To develop a compatible driver for this chipset I wish to confirm that it is a CX20551. An exact number would be optimal.

Any support documentation and such as that available for the CX20468,,
would also be greatly appreciated.

Thank you

Quite civil I thought I was just asking for a confirmation and possibly some documentation on the chipset that I own in my laptop. Not too demanding I just want to know about something I own. I filed it as a Linux support issue because it was relating to Linux but the question is not necessarily about supporting Linux. I’m not asking for them to provide drivers etc. I received the following reply:

Keep Reading


Hey all. It’s been a while but hey buildtolean’s mysql server was down for about 5 days making blogging impossible and made me start to thing whether or not it is time to move to a more stable provider. Possibly one I would pay for. But hey I’m a tight arse and I’m not going to start paying for webspace just yet.

We upgraded or mobile phones on the weekend and jumped on the 3G bandwagon because Orange in Australia is now dissolving because of Telstra’s decision to dismantle their CDMA network in 2 years time.

But my new phone has a camera so now I can shoot any time I want without having to remember the digital camera. Here’s a shot of my new laptop running the program I am working on at the moment.

Benq s52

Speed up that laptop

I realised that acpi was not working correctly on my Laptop installation of Ubuntu so when I saw a tip for getting it working on the Ubuntu Forums I decided to give it a shot. Just by adding:


as a kernel parameter, either at boot using grub and saved it into /boot/grub/menu.lst

And too my surprise it not only make acpi work but actually sped up the responsiveness of the entire distribution making it entirely usable…. So if I ever do another install I think I will be passing that as a boot parameter :).

How long can an install take?

After my success with installing Ubuntu on my Desktop system last week I installed it on my old Laptop as well this weekend. Bad idea

The laptop 400 Celeron with 192mb ram was running Fedora RC 2 so not too old and running at an acceptable rate :). So upgrading shouldn’t hurt it too much I thought.

But after 4-5 hours it was finished, I never knew a 1 CD install could take so long and I didn’t even download the updates I just installed straight from what was on the CD. And once the screen actually came up everything was slow. :(

However when I booted it this morning it was back to the same sort of level it was booting at with FRC2 so I’m happy now just some tweaking and I might have a reasonably usable system. But my old Wi-Fi card that I have worked a treat with the installer so in the end I am happy.