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Integrated Fingerprint Reader

2017-03-07T08:40:16Z

Azerttyu:

[[Image:fingerprintreader.jpg|thumb|IBM Integrated Fingerprint Reader]]

===Integrated Fingerprint Reader===
IBMs second generation of T42 models (released in Autumn 2004) was the first to feature an integrated fingerprint reader. Various models since then have had this feature, actually implemented with a number of different devices, all of which appear on the USB bus. Some are just scanners, others do the recognition in the device itself.

{| class="wikitable"
! USB ID !! Reader !! Software
|-
|0483:2016|| [http://reactivated.net/fprint/wiki/Upekts UPEK/Thomson] || thinkfinger or fprint
|-
|147e:1000|| UPEK TCS4C || unsupported ??
|-
|147e:1002|| UPEK || unsupported ??
|-
|147e:2016|| [http://www.reactivated.net/fprint/wiki/Upeksonly Upeksonly] || [https://bugzilla.redhat.com/show_bug.cgi?id=504399 fprint patches]
|-
|147e:2020|| Upek / Authentec || [http://darkblue.homeip.net/fingerprint/Forum/topic.php?TopicId=271&Posts=7 Forum discussion and howto for 32-bit, using non-free drivers] Seems to be supported as of 2013-01-15 (Works for Me (TM)). On Ubuntu, use PPA at https://launchpad.net/~fingerprint
|-
|08ff:1600|| [http://reactivated.net/fprint/wiki/Aes1610 Authentec AES1610] || fprint
|-
|08ff:2580 || [http://reactivated.net/fprint/wiki/Aes2501 Authentec AES2501] || fprint
|-
|08ff:2810 || Authentec 2810 || supported by libfprint v0.5.0 onwards, released December 2012
|-
|138a:0017 || Validity Sensors, Inc. Fingerprint Reader || (to test) Driver Patch as [http://thinkpadmint.blogspot.fr/2014/02/getting-t440s-validity-vfs5011.html use case with T440] or [https://gist.github.com/foosel/3abd45bc1b6ae121965b gist sample]
Supported by libfprint v0.6.0
|-
|138a:0090 || Validity Sensors || [https://github.com/nmikhailov/Validity90 RE work for validity90 fingerprint reader]
|}

Read more about the various models of reader on the [http://reactivated.net/fprint/wiki/Supported_devices libfprint wiki]

Also check the [https://launchpad.net/~fingerprint/+archive/fingerprint-gui Fingerprint-GUI PPA] which has a detailed list of supported devices. Be aware this PPA includes non-free software as indicated in [http://www.n-view.net/Appliance/fingerprint/about.php the About page] of the project.

The UPEK device is supported by thinkfinger. Those devices and Authentec ones are supported by libfprint.

However: The fingerprint reader is an INSECURE device and gives a false sense of security! There has been quite a bit of research by a hacker named Starbug, a member of the Chaos Computer Club, Berlin, Germany. He outlined in two very good talks how to forge each and every available fingerprint sensor available at the cost of a few euros, using materials from your local hardware store, a digicam and a laser printer! Here's some links:
* [http://www.ccc.de/updates/2007/umsonst-im-supermarkt?language=en Fingerprint recognition in supermarkets]
* [ftp://ftp.ccc.de/pub/documentation/Fingerabdruck_Hack/fingerabdruck.mpg?language=en Video tutorial for forging fingerprints]
Remember, using fingerprints for authentication is much similar to having a password which is written on anything you touch.

== Software support ==
See [[How to enable the integrated fingerprint reader]].

==Models featuring this Technology==
'''UPEK Touchstrip (model?) - USB 0483:2016'''
*ThinkPad {{R52}}, {{R60}}, {{R61i}}
*ThinkPad {{T42}}, {{T42p}}, {{T43}}, {{T43p}}, {{T60}}, {{T60p}}, {{T61}}, {{T61p}}
*ThinkPad {{X41}}, {{X41 Tablet}}, {{X60}}, {{X60s}}, {{X60 Tablet}}, {{X61 Tablet}}, {{X300}}
*ThinkPad {{Z61t}}, {{Z61p}}, {{Z61m}}

'''UPEK Touchchip TCS4C - USB 147e:1000'''
*ThinkPad {{SL300}}, {{SL400}}, {{SL500}}

'''UPEK - TouchStrip Fingerprint Sensor - USB 147e:1002'''
*ThinkPad Edge E425

'''UPEK Touchstrip TCRD4C - USB 147e:2016'''
*ThinkPad {{R61}}, {{R61i}}
*ThinkPad {{Edge 14"}}, {{Edge 15"}}
*ThinkPad {{L412}}, {{L512}}
*ThinkPad {{T400s}}, {{T410}}, {{T410i}}, {{T410s}}, {{T410si}}, {{T420}}, {{T510}}, {{T510i}}
*ThinkPad {{W510}}, {{W701}}, {{W701ds}}
*ThinkPad {{X201}}, {{X201i}}, {{X201s}}, {{X201 Tablet}}, {{X220}}, {{X1}}

'''Upek TouchChip Fingerprint Coprocessor - USB 147e:2020'''
*ThinkPad {{T430}}, {{T430s}}, {{T530}}, {{W530}}, {{X230}}

'''Authentec AES1610 - USB 08ff:1600'''
*Lenovo V100, V200

'''Authentec AES2501 - USB 08ff:2580'''
*Lenovo N100, N200

'''Authentec AES2810 - USB 08ff:2810'''
*ThinkPad {{R400}}, {{R500}}
*ThinkPad {{T400}}, {{T500}}
*ThinkPad {{W500}}, {{W700}}, {{W700ds}}
*ThinkPad {{X200}}, {{X200s}}, {{X200 Tablet}}, {{X301}}

'''Validity Sensors - USB 138a:0017'''
* ThinkPad {{T460}}, {{T460s}}
* THinkpad {{T440}}

'''Validity Sensors - USB 138a:0090'''
* ThinkPad {{X1Yoga}}, {{T460s}}

== Links ==
* [http://www.trustedreviews.com/article.aspx?page=1643&head=36 Review from TrustedReviews of the fingerprint scanner]
* [http://www.upek.com/support/pdf/UPEK_flyer_TCS3_TCD4.pdf TouchStrip TCS3/TCD4 spec sheet]

Integrated Fingerprint Reader

2017-03-07T08:32:44Z

Azerttyu:

[[Image:fingerprintreader.jpg|thumb|IBM Integrated Fingerprint Reader]]

===Integrated Fingerprint Reader===
IBMs second generation of T42 models (released in Autumn 2004) was the first to feature an integrated fingerprint reader. Various models since then have had this feature, actually implemented with a number of different devices, all of which appear on the USB bus. Some are just scanners, others do the recognition in the device itself.

{| class="wikitable"
! USB ID !! Reader !! Software
|-
|0483:2016|| [http://reactivated.net/fprint/wiki/Upekts UPEK/Thomson] || thinkfinger or fprint
|-
|147e:1000|| UPEK TCS4C || unsupported ??
|-
|147e:1002|| UPEK || unsupported ??
|-
|147e:2016|| [http://www.reactivated.net/fprint/wiki/Upeksonly Upeksonly] || [https://bugzilla.redhat.com/show_bug.cgi?id=504399 fprint patches]
|-
|147e:2020|| Upek / Authentec || [http://darkblue.homeip.net/fingerprint/Forum/topic.php?TopicId=271&Posts=7 Forum discussion and howto for 32-bit, using non-free drivers] Seems to be supported as of 2013-01-15 (Works for Me (TM)). On Ubuntu, use PPA at https://launchpad.net/~fingerprint
|-
|08ff:1600|| [http://reactivated.net/fprint/wiki/Aes1610 Authentec AES1610] || fprint
|-
|08ff:2580 || [http://reactivated.net/fprint/wiki/Aes2501 Authentec AES2501] || fprint
|-
|08ff:2810 || Authentec 2810 || supported by libfprint v0.5.0 onwards, released December 2012
|-
|138a:0017 || Validity Sensors, Inc. Fingerprint Reader || (to test) Driver Patch as [http://thinkpadmint.blogspot.fr/2014/02/getting-t440s-validity-vfs5011.html use case with T440] or [https://gist.github.com/foosel/3abd45bc1b6ae121965b gist sample]
|-
|138a:0090 || Validity Sensors || [https://github.com/nmikhailov/Validity90 RE work for validity90 fingerprint reader]
|}

Read more about the various models of reader on the [http://reactivated.net/fprint/wiki/Supported_devices libfprint wiki]

Also check the [https://launchpad.net/~fingerprint/+archive/fingerprint-gui Fingerprint-GUI PPA] which has a detailed list of supported devices. Be aware this PPA includes non-free software as indicated in [http://www.n-view.net/Appliance/fingerprint/about.php the About page] of the project.

The UPEK device is supported by thinkfinger. Those devices and Authentec ones are supported by libfprint.

However: The fingerprint reader is an INSECURE device and gives a false sense of security! There has been quite a bit of research by a hacker named Starbug, a member of the Chaos Computer Club, Berlin, Germany. He outlined in two very good talks how to forge each and every available fingerprint sensor available at the cost of a few euros, using materials from your local hardware store, a digicam and a laser printer! Here's some links:
* [http://www.ccc.de/updates/2007/umsonst-im-supermarkt?language=en Fingerprint recognition in supermarkets]
* [ftp://ftp.ccc.de/pub/documentation/Fingerabdruck_Hack/fingerabdruck.mpg?language=en Video tutorial for forging fingerprints]
Remember, using fingerprints for authentication is much similar to having a password which is written on anything you touch.

== Software support ==
See [[How to enable the integrated fingerprint reader]].

==Models featuring this Technology==
'''UPEK Touchstrip (model?) - USB 0483:2016'''
*ThinkPad {{R52}}, {{R60}}, {{R61i}}
*ThinkPad {{T42}}, {{T42p}}, {{T43}}, {{T43p}}, {{T60}}, {{T60p}}, {{T61}}, {{T61p}}
*ThinkPad {{X41}}, {{X41 Tablet}}, {{X60}}, {{X60s}}, {{X60 Tablet}}, {{X61 Tablet}}, {{X300}}
*ThinkPad {{Z61t}}, {{Z61p}}, {{Z61m}}

'''UPEK Touchchip TCS4C - USB 147e:1000'''
*ThinkPad {{SL300}}, {{SL400}}, {{SL500}}

'''UPEK - TouchStrip Fingerprint Sensor - USB 147e:1002'''
*ThinkPad Edge E425

'''UPEK Touchstrip TCRD4C - USB 147e:2016'''
*ThinkPad {{R61}}, {{R61i}}
*ThinkPad {{Edge 14"}}, {{Edge 15"}}
*ThinkPad {{L412}}, {{L512}}
*ThinkPad {{T400s}}, {{T410}}, {{T410i}}, {{T410s}}, {{T410si}}, {{T420}}, {{T510}}, {{T510i}}
*ThinkPad {{W510}}, {{W701}}, {{W701ds}}
*ThinkPad {{X201}}, {{X201i}}, {{X201s}}, {{X201 Tablet}}, {{X220}}, {{X1}}

'''Upek TouchChip Fingerprint Coprocessor - USB 147e:2020'''
*ThinkPad {{T430}}, {{T430s}}, {{T530}}, {{W530}}, {{X230}}

'''Authentec AES1610 - USB 08ff:1600'''
*Lenovo V100, V200

'''Authentec AES2501 - USB 08ff:2580'''
*Lenovo N100, N200

'''Authentec AES2810 - USB 08ff:2810'''
*ThinkPad {{R400}}, {{R500}}
*ThinkPad {{T400}}, {{T500}}
*ThinkPad {{W500}}, {{W700}}, {{W700ds}}
*ThinkPad {{X200}}, {{X200s}}, {{X200 Tablet}}, {{X301}}

'''Validity Sensors - USB 138a:0017'''
* ThinkPad {{T460}}, {{T460s}}
* THinkpad {{T440}}

'''Validity Sensors - USB 138a:0090'''
* ThinkPad {{X1Yoga}}, {{T460s}}

== Links ==
* [http://www.trustedreviews.com/article.aspx?page=1643&head=36 Review from TrustedReviews of the fingerprint scanner]
* [http://www.upek.com/support/pdf/UPEK_flyer_TCS3_TCD4.pdf TouchStrip TCS3/TCD4 spec sheet]

Integrated Fingerprint Reader

2017-03-07T08:17:41Z

Azerttyu: /* Models featuring this Technology */

[[Image:fingerprintreader.jpg|thumb|IBM Integrated Fingerprint Reader]]

===Integrated Fingerprint Reader===
IBMs second generation of T42 models (released in Autumn 2004) was the first to feature an integrated fingerprint reader. Various models since then have had this feature, actually implemented with a number of different devices, all of which appear on the USB bus. Some are just scanners, others do the recognition in the device itself.

{| class="wikitable"
! USB ID !! Reader !! Software
|-
|0483:2016|| [http://reactivated.net/fprint/wiki/Upekts UPEK/Thomson] || thinkfinger or fprint
|-
|147e:1000|| UPEK TCS4C || unsupported ??
|-
|147e:1002|| UPEK || unsupported ??
|-
|147e:2016|| [http://www.reactivated.net/fprint/wiki/Upeksonly Upeksonly] || [https://bugzilla.redhat.com/show_bug.cgi?id=504399 fprint patches]
|-
|147e:2020|| Upek / Authentec || [http://darkblue.homeip.net/fingerprint/Forum/topic.php?TopicId=271&Posts=7 Forum discussion and howto for 32-bit, using non-free drivers] Seems to be supported as of 2013-01-15 (Works for Me (TM)). On Ubuntu, use PPA at https://launchpad.net/~fingerprint
|-
|08ff:1600|| [http://reactivated.net/fprint/wiki/Aes1610 Authentec AES1610] || fprint
|-
|08ff:2580 || [http://reactivated.net/fprint/wiki/Aes2501 Authentec AES2501] || fprint
|-
|08ff:2810 || Authentec 2810 || supported by libfprint v0.5.0 onwards, released December 2012
|-
|138a:0017 || Validity Sensors, Inc. Fingerprint Reader || ??
|-
|138a:0090 || Validity Sensors || [https://github.com/nmikhailov/Validity90 RE work for validity90 fingerprint reader]
|}

Read more about the various models of reader on the [http://reactivated.net/fprint/wiki/Supported_devices libfprint wiki]

Also check the [https://launchpad.net/~fingerprint/+archive/fingerprint-gui Fingerprint-GUI PPA] which has a detailed list of supported devices. Be aware this PPA includes non-free software as indicated in [http://www.n-view.net/Appliance/fingerprint/about.php the About page] of the project.

The UPEK device is supported by thinkfinger. Those devices and Authentec ones are supported by libfprint.

However: The fingerprint reader is an INSECURE device and gives a false sense of security! There has been quite a bit of research by a hacker named Starbug, a member of the Chaos Computer Club, Berlin, Germany. He outlined in two very good talks how to forge each and every available fingerprint sensor available at the cost of a few euros, using materials from your local hardware store, a digicam and a laser printer! Here's some links:
* [http://www.ccc.de/updates/2007/umsonst-im-supermarkt?language=en Fingerprint recognition in supermarkets]
* [ftp://ftp.ccc.de/pub/documentation/Fingerabdruck_Hack/fingerabdruck.mpg?language=en Video tutorial for forging fingerprints]
Remember, using fingerprints for authentication is much similar to having a password which is written on anything you touch.

== Software support ==
See [[How to enable the integrated fingerprint reader]].

==Models featuring this Technology==
'''UPEK Touchstrip (model?) - USB 0483:2016'''
*ThinkPad {{R52}}, {{R60}}, {{R61i}}
*ThinkPad {{T42}}, {{T42p}}, {{T43}}, {{T43p}}, {{T60}}, {{T60p}}, {{T61}}, {{T61p}}
*ThinkPad {{X41}}, {{X41 Tablet}}, {{X60}}, {{X60s}}, {{X60 Tablet}}, {{X61 Tablet}}, {{X300}}
*ThinkPad {{Z61t}}, {{Z61p}}, {{Z61m}}

'''UPEK Touchchip TCS4C - USB 147e:1000'''
*ThinkPad {{SL300}}, {{SL400}}, {{SL500}}

'''UPEK - TouchStrip Fingerprint Sensor - USB 147e:1002'''
*ThinkPad Edge E425

'''UPEK Touchstrip TCRD4C - USB 147e:2016'''
*ThinkPad {{R61}}, {{R61i}}
*ThinkPad {{Edge 14"}}, {{Edge 15"}}
*ThinkPad {{L412}}, {{L512}}
*ThinkPad {{T400s}}, {{T410}}, {{T410i}}, {{T410s}}, {{T410si}}, {{T420}}, {{T510}}, {{T510i}}
*ThinkPad {{W510}}, {{W701}}, {{W701ds}}
*ThinkPad {{X201}}, {{X201i}}, {{X201s}}, {{X201 Tablet}}, {{X220}}, {{X1}}

'''Upek TouchChip Fingerprint Coprocessor - USB 147e:2020'''
*ThinkPad {{T430}}, {{T430s}}, {{T530}}, {{W530}}, {{X230}}

'''Authentec AES1610 - USB 08ff:1600'''
*Lenovo V100, V200

'''Authentec AES2501 - USB 08ff:2580'''
*Lenovo N100, N200

'''Authentec AES2810 - USB 08ff:2810'''
*ThinkPad {{R400}}, {{R500}}
*ThinkPad {{T400}}, {{T500}}
*ThinkPad {{W500}}, {{W700}}, {{W700ds}}
*ThinkPad {{X200}}, {{X200s}}, {{X200 Tablet}}, {{X301}}

'''Validity Sensors - USB 138a:0017'''
* ThinkPad {{T460}}, {{T460s}}
* THinkpad {{T440}}

'''Validity Sensors - USB 138a:0090'''
* ThinkPad {{X1Yoga}}, {{T460s}}

== Links ==
* [http://www.trustedreviews.com/article.aspx?page=1643&head=36 Review from TrustedReviews of the fingerprint scanner]
* [http://www.upek.com/support/pdf/UPEK_flyer_TCS3_TCD4.pdf TouchStrip TCS3/TCD4 spec sheet]

Problem with LCD brightness buttons

2016-01-17T18:06:37Z

Azerttyu:

== Affected Models ==
* {{X60}}, {{X60s}} with BIOS 2.x
* {{T60}}, {{T60p}} with BIOS 2.x
* {{R60}} with BIOS 2.x
* {{X61s}}
* {{T420s}}
* Probably all newer ThinkPads since the Lenovo acquisition

== Problem description ==

A recent change in one of the newer Lenovo BIOS updates changed the behavior of the brightness up/down keys, so that they also provide ACPI video brighness up/down events. This made ThinkPad users suffer from a bug in the Linux kernel handling of ACPI video events.

One problem is that when the brightness up {{key|Fn}}{{key|Home}} or brightness down {{key|Fn}}{{key|End}} key is pressed, that event is processed twice. It will seem to the user, that the brightness up/down keys work in steps of 2. For example, starting from 0, the brightness level will go up to 2, 4, 6, 8, 10, 12, 14, then 15. But from 15, the brightness level will go down to 13, 11, 9, 7, 5, 3, 1, then 0. It's weird behavior.

The Linux kernel handling for the ACPI video event brighness up is not implemented by the ACPI video module before Linux 2.6.20-rc?, which results in the brightness up key not working, even if the event is handled correctly.

To make matters worse, the ACPI video module in kernels up to 2.6.19.1 has a hideous bug that gets many ACPI video events wrong, and this is the probable cause for the "tries to switch video output" effect some users observed, which can cause serious problems in certain configurations, like X server hangs.

== Workaround ==

There are a number of workarounds for this problem. After applying the workarounds, you will be able to use brightness up {{key|Fn}}{{key|Home}} and brightness down {{key|Fn}}{{key|End}} to increase and decrease the LCD brightness as normal.

=== Don't load the ACPI video module ===

Don't load the ACPI video module, or don't compile in the ACPI_VIDEO option on Linux kernels that have not been patched to fix this issue. The ThinkPad BIOS will do the right thing.

For Fedora Core 6 users, issue the following command and reboot:
{{cmdroot|rename ko ko.old /lib/modules/$(uname -r)/kernel/drivers/acpi/video.ko }}

=== Specify a parameter for video.ko ===

As an alternative, one might also specify <code>brightness_switch_enabled=0</code> in <code>video.ko</code> parameters. With this parameter, all functionality of <code>video.ko</code> remains but without the brightness control and reaction to brightness ACPI events.

There is a number of ways to introduce this parameter, one of them is creating a configuration file for modprobe. The next command works on Debian 6 (and maybe some other systems):

{{cmdroot|1=echo options video brightness_switch_enabled=0 {{!}} tee /etc/modprobe.d/video-br.conf}}

=== Modify the parameter for video.ko at runtime ===

Another alternative, one can issue this command or put it in <code>/etc/rc.local</code>:

echo N > /sys/module/video/parameters/brightness_switch_enabled

=== Update Grub loading ===

From https://bbs.archlinux.org/viewtopic.php?id=184949&p=2

Add to GRUB_CMDLINE_LINUX_DEFAULT line in /etc/default/grub
video.use_native_backlight=0

== Remaining issues ==

Even with 2.6.20-rc3 ACPI video, things are still not perfect. This time, it may be Lenovo's fault.

The fixed ACPI video module will use the ACPI DSDT to increase video brighness, but the new BIOS DSDTs apparently do not keep the CMOS NVRAM completely up-to-date, so [[tpb]] and other utilities that provide on-screen-display do not get to know there was a brightness up event.

This can be argued to be a deficiency of these tools, however. The foolproof, safe way to know the current ThinkPad display brightness in Linux is to ask [[ibm-acpi]]. Note that ibm-acpi support for this functionality is new, which explains why the current tools don't use it.

Due to the fact that when nothing handles the ACPI video brighness up event, the BIOS does the right thing, it is unclear at this time exactly where the blame for this remaining issue should lie.

Problem with disabled VT

2015-11-02T17:05:38Z

Azerttyu:

{{Stub}}
Some recent ThinkPad models ship with Intel CPUs that implement the [http://en.wikipedia.org/wiki/Virtualization_Technology Intel VT extensions] for hardware-supported virtualization, but the capability is disabled by the BIOS. There is no known solution. See [http://lkml.org/lkml/2006/11/6/24 this LKML thread].

== BIOS configuraiton ==

By default, on thinkPad, VT extensions are disabled. Before to try a firmware update, you can check this help : http://amiduos.com/support/knowledge-base/article/enabling-virtualization-in-lenovo-systems

== BIOS Update for ThinkPad Z61e, Z61m, Z61p, Z61t ==

Lenovo solved the problem with a [http://www-307.ibm.com/pc/support/site.wss/MIGR-64409.html BIOS update] on June 6, 2007. Flashing the new BIOS adds a configuration option to the BIOS to allow or disallow the use of VT.

== Affected Models ==
* {{Z61e}}, {{Z61m}}, {{Z61p}}, {{Z61t}} - [http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-64305 fixed by new BIOS 2.18]
* {{X60}}, {{X60s}} - [http://www.burtonini.com/blog/computers/kvm-2006-12-12-21-30 Ross Burton's blog] - [http://www-3.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-63144 fixed by new BIOS]
* {{X60_Tablet}} - [http://www-3.ibm.com/pc/support/site.wss/MIGR-67148.html fixed by new BIOS]
* {{R60}}
* Lenovo 3000 N100
* Others?

Problem with disabled VT

2015-11-02T17:05:25Z

Azerttyu: Explain how to update bios VT extensions

{{Stub}}
Some recent ThinkPad models ship with Intel CPUs that implement the [http://en.wikipedia.org/wiki/Virtualization_Technology Intel VT extensions] for hardware-supported virtualization, but the capability is disabled by the BIOS. There is no known solution. See [http://lkml.org/lkml/2006/11/6/24 this LKML thread].

== BIOS configuraiton ==

By default, on thinkPad, VT extensions are disabled. Before to try a firmware update, you check this help : http://amiduos.com/support/knowledge-base/article/enabling-virtualization-in-lenovo-systems

== BIOS Update for ThinkPad Z61e, Z61m, Z61p, Z61t ==

Lenovo solved the problem with a [http://www-307.ibm.com/pc/support/site.wss/MIGR-64409.html BIOS update] on June 6, 2007. Flashing the new BIOS adds a configuration option to the BIOS to allow or disallow the use of VT.

== Affected Models ==
* {{Z61e}}, {{Z61m}}, {{Z61p}}, {{Z61t}} - [http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-64305 fixed by new BIOS 2.18]
* {{X60}}, {{X60s}} - [http://www.burtonini.com/blog/computers/kvm-2006-12-12-21-30 Ross Burton's blog] - [http://www-3.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-63144 fixed by new BIOS]
* {{X60_Tablet}} - [http://www-3.ibm.com/pc/support/site.wss/MIGR-67148.html fixed by new BIOS]
* {{R60}}
* Lenovo 3000 N100
* Others?