Angstrom Linux on the Zaurus SL-6000 (Tosa)

Have you got a Zaurus SL-6000L/W/N 'kicking around', and find that you haven't used it for many a month? Me too, which is why I decided to get Angstrom Linux working on it. This document describes my attempts to do that, and the troubles that I faced.

Whoops... this page is a big topsy-turvy mess: the old stuff is at the bottom and the new stuff is at the top! I'll attempt to clean it up, if I can find an editor that I can use (my vi knowledge is not sufficient to allow me to use it confidently).

Updates

05-Sep-18: With my SL-6000 gathering dust in a drawer for a few years, today I charged it and switched it on. The kexecboot loader (see later in this page) showed its screen and said 'No bootable systems found'. I looked around for an SD card and found about 10 - all of different sizes and ages. None of them had a bootable system, so I tried the CF cards. Again, none of these booted.

This was getting serious: without a bootable system, my Tosa is just a pretty lump of silver/black plastic. Having recently tidied-up the approx. 11GB of stuff in the 'Zaurus' project directory, I looked through it for a usable SL-6000 system. Eventually I found a collection of 2.4 kernels for the Sharp ROM - and when I say 'ROM', I mean 'system', really. Alas, no Angstrom kernels were there, although I found a few backups of the filesystem.

All of my attempts at getting the Sharp system to boot failed with 'No bootable system found', or similar error. After much hair-pulling (fortunately, I have a lot of hair to pull) I found that kexecboot only searches ext2-format partitions and doesn't examine VFAT/MSDOS systems. I'm sure that this is different on other machines - how come I didn't notice it before? Strange..

I was happy when the Tosa finally booted a Sharp kernel. I'd formatted an SD card with two Linux partitions - both ext2-format. For modern Linux distros, you have to be careful to insure that a compatible filesystem is written. Using fdisk, partition the SD card - or possibly a CF card - and add a Linux partition (type 83). Format the card with:

mkfs.ext2 -b 1024 -I 128 -L [device]
Replace [device] with the device that your SD card is on. BE CAREFUL HERE as it's easy to accidentally reformat your hard drive if you don't pay attention.

I'm going to skip a bit of the in-between steps here and assume that you know how to mount the SD card partition and copy files to it. You need to copy zImage and boot.cfg for kexecboot to recognise the system. boot.cfg might not be required as by default, kexecboot looks for the files /boot/zImage and /boot/cmdline and usually doesn't care about anything else - but boot.cfg is useful to set a name for the system and optionally, specify other bootable systems at the same time (otherwise, there can only be one).

Getting a bootable Angstrom system on the Tosa is an ongoing project, and as I type this, my machines are churning out packages like eggs from a chicken coop. I had a few issues - errors - initially, and I considered stopping the whole thing and trying an older distro - e.g. something on Handhelds.org (long-gone, so you'll have to try The Internet Wayback Machine). Fortunately, I stuck at it and was able to sort the problems. The first place to go is angstrom-manifest on github and follow the instructions there. Initially, you download the repo tool and that downloads the source code and - using bitbake - you choose a machine to build for. When it works, this seems to be a magical system that not only builds the house - if you think of a distro as being a house - but also makes the tools that build the house and in some cases, can make a bunch of different houses, one after the other. The drawback is that you need a lot of disk space, a lot of RAM and patience, in case bitbake aborts with the dreaded error message.

It is normal for bitbake to issue a number of yellow WARNING lines while it does its thing; these are often about a recipe that uses an outdated function or an instance of source code not being where it should be. You may need to edit a recipe ('.bb' file) or - in my case - edit a config file. I wrote a lot of blurb about this, although it's from my MOO and has a lot of muttering. You are welcome to read it and I hope that it helps. The MOO sets a line length of 80 and wraps text - it may look weird on your web browser. I've edited it to remove a few of these line breaks. Idoru and Winter are two machines on my subnet.

08-Sep-18: there is a full guide on the angstrom-manifest github site, but it's a bit technical. The following steps worked for me, but might not for you. I found that for some reason, different machines produced different results. For example, one machine seemed to constantly abort the build, whereas another machine completed it with few warnings. This may be due to the machine's software differing by version. The machine that was most-successful was the oldest, paradoxically - my dual-core Athlon X2 machine (idoru) was far better at building than my four-core Xeon machine (winter), with its 8GB RAM and bigger hard drive. Both machines are running Debian Linux: Idoru is running Debian 8.11 and Winter is running the newer 9.5.

In the following instructions, my comments are in italic script and everything that I type is in bold script.

First, choose a location to build the packages. You need at least 10GB of free space, and this varies, depending on how many packages you are going to build.


mkdir openembedded
cd openembedded
Make a 'bin' dir for the 'repo' tool.
mkdir bin
cd bin

Download the 'repo' utility and make it executable.


curl http://commondatastorage.googleapis.com/git-repo-downloads/repo > repo
chmod a+x repo
PATH=$PATH:$PWD
The instructions at angstrom-manifest say that you may need to edit 'repo' to explicitly use 'python2', since the default python interpreter can be 'python3' for newer machines. Do python --version to see the version number. If it is greater than 2, you'll need to do the following edit:
sed -i "s%/usr/bin/env python$%/usr/bin/env python2%" repo
and - as it says - you might have to do this every time 'repo' is updated. Please continue by following the instructions on the angstrom-manifest page. When you do '. ./setup-environment', a dialog-based UI should appear, where you can choose machines to build for. If it does not appear, try installing the dialog package and ncurses-dev packages.

To be continued...

28-Nov-13: With nothing having happened - with my Tosa - for almost three years, I'm looking to do something with it. Its internal battery has died and in addition, its main battery has 'ballooned' in size, so it now looks rather 'bulgy'. Replacing the internal battery is a priority, but I don't want to break it. Better be careful. I received an email from someone interested in running Angstrom on theirs, and this has re-kindled my interest. Having said that, I am prone to ADHD, so it (the interest) may be extinguished again.

29-Jan-11: The kexecboot project has released a few new kernels, with a new UI. I'm currently running Kexecboot again, and I didn't stick with Guylhem for very long. I don't remember what my problem with it was, but I'm so fickle that I change distros every few weeks anyway. With the new UI, the selected item is the light bar, not the dark one. On the Tosa, the cursor keys are rotated, so the right-cursor is the 'up' key and the left-cursor is the 'down' key. Press the OK key to select.
08-Nov-10: The Guylhem ROM is so much better than the buggy old Sharp ROM, and I really recommend it. I got my version from zaurus.org.uk, in the download/6000/guylhem/ area. Hi folks, and thanks for keeping the Zaurus scene alive!

31-Jul-10: I've replaced my Tosa's standard Opera web browser with the IBM-developed 'multimodal' Opera 7.30, which features speech synthesis and recognition. The quality of the speech is simply amazing, and the speech recognition is fast and accurate. See this MobileTechReview page for more information. You can get the multimodal package from IBM's FTP site (the IPK package is multimodal_arm.ipk (local copy: MD5SUM = 60b75b3169c43430b5950380a6e7f91a) and should work on the SL-C860 and SL-6000, and maybe others). Here's an MP3 (MD5 = fd953cda37fe2f5266a6d3dbce492efb) featuring me testing the speech recognition demonstration - be prepared for waffling, if you choose to download that.

27-Jul-10: Corrected an error regarding the name of the Japanese developer known as 'Tetsu' (I got his name wrong - embarrassed, am I! 'Tetsu' is his handle/nickname).


A few questions - and answers - about the above pictures:
Q. Why have I covered my Aurora clock in clingfilm?
A: It gets dusty in the kitchen, and the clock is made of a sort of tactile rubber that gets dirty very easily. The clingfilm is my attempt at fending off the dust.
Q: What is that unsightly blobby thing in the middle of that cable?
A: That's my Zaurus serial cable level convertor; it includes a small 'bird's nest' of components to invert the 3.3V of a standard RS232 level convertor (MAX3232). I'd run out of my favourite type of PVC insulating tape when I made it, so I used Sellotape.
Q: What's written on that bit of paper, under the Tosa?
A: This.


This page is about getting Angstrom Linux working on the Sharp Tosa (SL-6000L/N/W). I also wanted to continue using the standard Sharp ROM at the same time - until now (15th July 2010), I have been unable to do that. I'm pleased to say that a few hours ago, I got the Sharp system working again; with the Angstrom kexecboot loader installed, I can choose between kernels. I also got my SL-C860 to dual-boot between Angstrom and its Sharp kernel: this was much easier to do than with the Tosa. I have written a very basic page on the SL-C860 installation. With both kernels, I needed to disable CONFIG_SHARPSL_BOOTLDR_PARAMS and set a fixed command line in the kernel config.

Tosa:
# CONFIG_SHARPSL_BOOTLDR_PARAMS is not set
CONFIG_CMDLINE="console=ttyS0,115200n81 root=/dev/mtdblock2 mtdparts=sharpsl-nand:7168k@0k(smf),28672k@7168k(root),-(home) jffs2_orphaned_inodes=delete EQUIPMENT=2"

Boxer:
: # CONFIG_SHARPSL_BOOTLDR_PARAMS is not set
CONFIG_CMDLINE="console=ttyS0 root=/dev/mtdblock2 mtdparts=sharpsl-nand:7168k@0k(smf),54272k@7168k(root),-(home) jffs2_orphaned_inodes=delete LOGO=1 LAUNCH=q"

If you want to read the older stuff - which doesn't mention the Sharp kernel much - please scroll down to the next section (starting 'Useful links'), as I add new stuff from the top of the page.

Update (24th July 2010): I have changed the floating-point emulator from the default NWFPE (slow!) to FASTFPE (a lot faster, but possibly more imprecise). The Sharp system is noticeably faster now, with less 'bounces' on the touchscreen input, and a faster boot time. The bad news is that somewhere along the way, I managed to break Opera, and it no longer starts.

Installation

This is a bit awkward/long-winded, but it's just the way that I did it - it may work for you, or it may not - I can offer no guarantee of success because this is a complex setup.

Step 1: if the standard Sharp system is not installed, install it such that it is the only bootable system: wipe the flash or restore from ROM backup - whatever is necessary to get a system with just the good ol' Sharp distro installed. This is important because the flash layout is so weird, with symlinks all over the place. Don't ask me why Sharp did it this way - I'm sure that it makes perfect sense, but I am not able to find or understand the Japanese-language references to this information. Google Translate does a very good job of this, though, and it was so much more difficult before it was available. Not to plug Google too much, but Google Chrome has on-the-fly translation, and this was invaluable to understanding the pages of Tetsu and the Sharp Corporation.

Step 2: Install the Angstrom kexecboot kernel. You'll need a CF or SD card formatted with FAT16 (partition ID type = 6). From the Angstrom kexecboot project site, download an install kit package, unpack it and install the files to the card, such that you have the following files present:

		updater.sh
		zImage
To access the update menu, you need to reset the SL-6000 with the 'OK' button pressed; you can do this by pressing/holding OK and clicking the button inside the reset hole on the back of the unit, though I found that a bit difficult and I just chose 'Reboot' in the Sharp system and kept my finger on the 'OK' button until the menu appeared. Ensure that the AC adaptor is plugged in, or the next bit won't work. Choose the 'Update' option (4, I think) and then 'CF' or 'SD', depending on which type of media your files are on. I always put my files on a Compact Flash card, so I chose 'CF'.

After a few more prompts, the Tosa will reboot, load the Sharp kernel and perform a very fast installation process: just the kernel is replaced - the filesystem is left as it is. This is very important because if it were modified, it would be impossible to boot the Sharp system again.

Step 3: Prepare a card to boot Angstrom, and to hold the small boot partition for the Sharp system. You'll need a standard SD (not SDHC!) or CF card, formatted with one or more ext2 partitions; ext3 may work, but I am not sure whether kexecboot will 'see' ext3 partitions, so I just used ext2. I repartitioned a 2GB Kingston SD card into an approx. 1900MB partition for the main Angstrom system, with the rest as a small boot partition for the Sharp system (continues below at 'On my Angstrom SD card...').

Useful links

http://tetsu.homelinux.org/zaurus/kernel/	Tetsu's replacement kernels
http://repair4pda.org/disassembly_sharp.html	Repair4PDA's pages - useful for seeing what's inside the SL-6000.
http://www.linux-wlan.com/linux-wlan/		Linux-wlan-ng

Sharp's pages

http://support.ezaurus.com/developer/source/source_dl_6000.asp SL-6000 source code download (main page) http://support.ezaurus.com/developer/source/6000/20040311/linux-sl6000-20040311-rom1_11.tar.bz2 SL-6000 (ROM version 1.11 JP) of the Linux kernel source code. http://support.ezaurus.com/developer/source/6000/20040311/linux-2.4.18-rmk7-pxa3-embedix-sl6000-20040311-rom1_11.bz2 SL-6000 kernel patch http://support.ezaurus.com/developer/source/6000/20040311/rootfs-sl6000-20040311.tar.bz2 SL-6000 root filesystem, without QTopia

Important files

I'm putting these here so that I don't forget about them, as they are rather important (see below):
MD5SUM                            Filename/download link
bbf6b9fc9cf4f2707ec7eb24d25d9f81  config.240710-fastfpe kernel config (browser-readable link)
75530c2c1bca741bc39dff8e93d0221c  modules.tar.gz    Please note: I did not use these modules.
38d07d9b575bb8df06fe19cb5fa8d3ab  System.map.240710-fastfpe System.map (browser-readable link)
742c67519c0300a8406b47dd4d5ae9bb  zImage.240710-fastfpe

Older files:
e0c5d8f74ece7ae7ae47c865a74467e3  config
412c1dbfc33381246082d8fcfb3c11e5  Makefile
b9d9486fd830a729c318f27fbaedae87  modules.tar.gz
bb9a4db71f6ac5ea0a20b6ed4e207ddf  System.map
1be917a8de759dc8daffeb5d2f3f34e4  zImage (kernel)
9f658097ef8aa92959f9d01deaf747a6  Angstrom /boot/boot.cfg
If you would prefer to read the ASCII files online instead of downloading them, I have added symlinks to persuade my webserver to declare these as text, not binary (the default):
config
Makefile
System.map
boot.cfg
On my Angstrom SD card (2GB Kingston), I made a small (50MB) ext2 partition and placed the following files in it:
boot/boot.cfg The elusive Angstrom boot.cfg.
boot/zImage The kernel.
boot/config The config, listed above.
After a sync, I umounted the card partition and rebooted. The kexecboot loader showed a new 'Sharp' kernel and under that, my original Angstrom system.

This SL6000 kernel should be the same as the standard 'tosa-j' def-config, but with the additional 'EQUIPMENT=2' cmdline parameter (present on the original Sharp system), and 'PXA USB function support' (CONFIG_PXA_USB) enabled, as well as 'PXA USB network link function' (CONFIG_PXA_USB_NETLINK) and 'PXA USB character device emulation' (CONFIG_PXA_USB_CHAR). One or more of these choices was the key to getting the internal WLAN device (prism2_usb, using an ancient linux-wlan-ng distribution) working. I was able to compile version 0.2.0 of the wlan-ng tools, but have not included it here because I am trying to cause minimal changes to the installed Sharp system. For the same reason, I did not install the compiled kernel modules ('modules.tar.gz' in the above list) to the Sharp system, but left the modules from the original kernel intact.

If everything goes smoothly, the kernel should boot with a Sharp 'Please wait' screen, no warning messages and the QTopia countdown. After some moments, the screen will clear and you will be asked to wait a further 30 seconds. There will be a boot chime sequence and the time and date screen will appear. When you get to the main screen, the WLAN icon ('globe' with an X through it) should be at the bottom, showing that the WLAN device is available.

24-Jul-10: My second kernel was to have serial console support, as well as FASTFPE. FASTFPE is enabled, but I cannot get the serial console working - try as I might, it just can't open the serial device. I'm doing 'console=ttyS0,115200n8'. (26-Jul-10): Success! It worked when I specified 'console=ttyS0', and symlinked /dev/console to /dev/ttyS0. The rate was 9600bps.

It is probably worth me stressing that I did not install the kernel modules, but left the modules from the previous Sharp kernel intact. I wanted to disturb the Sharp system as little as possible so after restoring from the ROM backup, I installed the kexecboot loader (2.6.2x - the others didn't work) and I configured a small partition to boot my new kernel.

The standard 'tosa-j' def-config didn't work as is, because PXA USB is disabled and reading from the Sharp commandline partition is enabled, while it also has a minimal built-in commandline. Due to the standard Sharp kernel defaulting to reading from the cmdline partition - and ignoring any args passed to it by kexecboot - I have needed to override this behaviour in the kernel. This means that any supplied command line is ignored and to change it, you need to recompile - annoying, I know.


More links

Angstrom Zaurus kernels project page
Files for the Angstrom Zaurus project (kexecboot install kits)
Angstrom 'Narcissus' online image generator

The current state of Angstrom on the Tosa

As of kernel 2.6.29, most of the Tosa's hardware works, but there are some problems that will mean that you will not be able to use the hardware to the full. I encountered a few 'show-stoppers' that were fixed with a few simple procedures. These were the problems that I encountered:

Items that you will need

It would help greatly if you had access to the following while you read this document: The state of Angstrom on the SL-6000 (from now on, when I say the 'SL-6000', I mean all variants of the model - N, W, L): everything works, except the internal USB bus and possibly sound, which I have not tested. The host USB adaptor also does not work, although I would be unable to test this because I do not have a lead to fit the Tosa's USB socket (it's odd - it looks like a mini-B, but it's not - what is it? It may be a Mini-USB AB).

In addition, there are IRQ problems on some kernels. The 2.6 Tosa kernels are not yet stable, but you will probably find one kernel that works 'mostly okay' for you. I found that 2.6.29 was stable, apart from the IRQ timeout issue:

i2c-adapter i2c-0: i2c_pxa: timeout waiting for bus free
i2c-adapter i2c-0: i2c_pxa: timeout waiting for bus free
i2c-adapter i2c-0: i2c_pxa: timeout waiting for bus free
i2c-adapter i2c-0: i2c_pxa: timeout waiting for bus free
i2c-adapter i2c-0: i2c_pxa: timeout waiting for bus free
i2c: error: exhausted retries
i2c: msg_num: 0 msg_idx: 0 msg_ptr: 0
i2c: ICR: 000007e0 ISR: 00000004

Installation

The first step you will need to take is to install the kexecboot loader. This replaces the Sharp ROM and you should back up your Sharp system before flashing kexecboot, since the Sharp kernel will be overwritten. kexecboot currently doesn't have a facility for booting from the internal NAND, but there are workarounds involving booting a Sharp kernel from a mostly-empty card partition. I haven't tried this on Tosa, though I have a similar system on my SL-5500 (Collie), where I copied the kernel from mtd before I flashed kexecboot. I was then able to use that kernel to boot from internal flash. On Collie, I used dd to transfer the kernel image from the flash, and you'd do something like this to get the kernel off the Tosa:
dd if=/dev/mtdblock3 of=/mnt/card/sharp-kernel.img bs=1M count=1
The Collie's /proc/mtd shows this:
dev:    size   erasesize  name
mtd0: 00020000 00020000 "Angel Monitor"
mtd1: 00020000 00020000 "CF Updater"
mtd2: 00080000 00020000 "Diagnostics"
mtd3: 00100000 00020000 "kernel"
mtd4: 00e20000 00020000 "jffs2"
mtd5: 00020000 00020000 "angel stuff"
... while on my Tosa's current 2.6 kernel, /proc/mtd shows these partitions:
root@tosa:~# cat /proc/mtd
dev:    size   erasesize  name
mtd0: 006a0000 00800000 "Boot PROM Filesystem"
mtd1: 00700000 00004000 "smf"		# Maintenance menu, Angel boot monitor
mtd2: 01c00000 00004000 "root"		# Root of filesystem (JFFS2)
mtd3: 01d00000 00004000 "home"		# /home (JFFS2)
The total NAND size should be 64MB (8MB ROM (NOR?), 64MB NAND, 64MB DRAM). .. but it isn't. Why? Maybe because I can't count.
Sizes, in decimal:
mtd0: 6946816 bytes
mtd1: 7340032 bytes
mtd2: 29360128 bytes
mtd3: 30408704 bytes 
mtd0 should definitely not be touched, since it contains the menus and boot monitor. If I do a string search of /dev/mtdblock1 with hexedit, I find two instances of the string 'Uncompressing Linux' at 0xAAE84 and 0x67F463.

Installing kexecboot

The latest kexecboot installer can be found at the files page of the Angstrom kexecboot project. I tried the 'linux-kexecboot-2.6.2x' images, which are at the top of the page. Click the section title (e.g. 'zaurus linux-kexecboot-2.6.2x') for the release notes. Download the installkit-tosa.tar.gz tarball and extract it to a temporary location on your PC. As usual with all kernel/distro systems on the Zaurus, you have a weakly-encrypted 'updater.sh' install script and a Linux kernel image ('zImage'). If you want to look at the contents of updater.sh, there's an enc/decrypt executable - please rename it to 'encsh' - and source code (thanks to Sash for that).

Copy updater.sh and zImage to a FAT16-formatted (partition ID = 6) SD or CF card and reboot the Zaurus, keeping your finger on the 'OK' button. Make sure that the AC adaptor is plugged in, or the flashing process will not start. Choose 'Update from CF' and press the 'OK' button. The Zaurus will reboot, start the Sharp kernel update process, will write the small kexecboot kernel/initramfs and request that you reset the unit.

Some tutorials advise you to remove the battery to do a complete hard reset, before flashing. If you do this, remove the battery and leave it out for at least ten minutes, so the internal battery runs down.

After the kexecboot install, the Zaurus will power up and there will be delay of a few seconds before the menu appears. You can breathe a sigh of relief because no more flashing need occur to the Tosa, and everything will now be booted from CF or SD cards. Any bootable card systems will be shown upon bootup, which brings me to this bit:

Creating a filesystem on the card

You will need an ext2- or ext3-formatted CF or SD card. I found that an ext3- formatted card is best, because recovery from a bad shutdown is made easier by the journalling feature. I also added a small swap file (64MB), but could have used a swap partition instead. People worry about the card's lifetime being reduced because of the frequent read/write access required by swap, and this is true - but much software benefits from a bit of swap space and only large applications tend to use it (gpe-package, for example). Besides, you can always disable it if you won't be using it.

This is the output of 'fdisk -l' on the Tosa's fdisk app, for a 2GB Kingston SD card:

root@tosa:/var/volatile/tmp# fdisk -l /dev/mmcblk0

Disk /dev/mmcblk0: 2002 MB, 2002255872 bytes
4 heads, 16 sectors/track, 61104 cylinders
Units = cylinders of 64 * 512 = 32768 bytes

        Device Boot      Start         End      Blocks  Id System
/dev/mmcblk0p1              33        1632       51200   6 FAT16
Partition 1 does not end on cylinder boundary
/dev/mmcblk0p2            1633       61104     1903104  83 Linux
Partition 2 does not end on cylinder boundary
The 'cylinder boundary' warnings may be due to me disabling 'DOS mode' when formatting the partitions in Ubuntu. I do not know whether this will have any lasting effect.

Caution: be careful to remove all filesystem features when formatting the card partition, as my default system has a lot of incompatible options. In this example, /dev/sdc is the device that has been allocated to my card reader/writer; you will need to substitute a different device.

mkfs.vfat /dev/sdc1
mke2fs -j -O none -T small /dev/sdc2

The next step is to use Angstrom's Narcissus tool to generate a system to put on the card. Go to the Narcissus page, make your choice of options and click the 'Build me!' button.

This last one shows the huge amount of tabs that I usually have open:

The image type will default to '.tbz2' (bz2'd .tar), which is fine. Unpack this onto the card, as root (the tarball will unpack to the current directory).

cd /media/sd_card
sudo tar xjf ~/tosa-170610-1.tar.bz2
sync
The card is almost ready to boot, but it needs a minor edit to mount the root filesystem read-write. Change dir to the card 'boot' dir and add a boot.cfg file, as shown below. Please perform the following operations as root.
cd /media/sd_card/boot
mv kernel-cmdline kernel-cmdline.old
ln -sf zImage-2.6.29 zImage
cat >boot.cfg <<EOF
#
# kexecboot configuration file
# Copyright (c) 2009 Yuri Bushmelev
# Copyright (c) 2009 Omegamoon
#

# Show this label in kexecboot menu.
LABEL=Angstrom

# Specify full path to the kernel.
KERNEL=/boot/zImage-2.6.29

# Append this tags to the kernel cmdline.
APPEND=rw console=ttyS0,115200n8 debug

# Specify full path to the custom icon
# that will be shown in kexecboot menu.
# [This is a 256-colour 32x32 image]
#ICON=/boot/my-own-icon.xpm

# Priority of item in kexecboot menu.
# Items with highest priority will be shown at top of menu.
# Default: 0 (lowest, ordered by device ordering)
#PRIORITY=10
EOF 
Do a 'sync' (you can never do too many, in my opinion) and unmount the card. Try it in the Tosa and it should now boot, pause a bit, start its X server and prompt you to calibrate the screen, before showing an unreadable setup screen with all characters looking like little square blocks. I guessed that it is prompting for, in order from the top of the screen: root password, non-root username, non-root username password & password verification. Reinstalling gpe-dm fixed the font issue for me.

After all of this negativity, some positive news: thanks to the increase in storage space afforded by the 2GB SD, I've installed lots of software, including a full C/C++/X11 SDK, Perl, a web browser, media player (not much use without sound, I admit), tons of gpe applets (have a look at the package list), and the performance of the OS is very good, compared to the old 2.4 kernel.

To be continued...

Thanks

I would like to thank the following people/groups:
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