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Technical Blog of Richard Hughes - Lenovo backlight class support.. bad bad bad...

Richard Hughes
Date: 2006-11-23 22:55
Subject: Lenovo backlight class support.. bad bad bad...
Security: Public
In my opinion, Lenovo didn't read the ACPI specification when designing the N100 line of notebooks.

I'm unable to get the backlight class support working on my notebook due to the missing _BQC (Brightness Query Current level) method which is meant to be present in the BIOS.
Lenovo do implement the _BCL (Query List of Brightness Control Levels) and _BCM (Set the Brightness Level) methods, so I just cannot understand why they didn't add the additional three line method to have full support for the ACPI "Output Device" class.

Now, after my partial success in getting a new BIOS from Lenovo to fix the battery reporting (fixes the problems in Windows XP also) I've had no more correspondence from Lenovo. I have also been been sent an email "...IBM/Lenovo provides free software support for the first 30 days after the purchase of the machine... Please note that the software support is chargeable after the first 30 days..."  which I'm guessing is their way of telling me "stop bothering us, go away, we're not interested in fixing anything". I'm not sure if I should send the notebook back to LENOVO as defective (as it's quite clearly not working with ACPI as advertised) or just send them a bill for my BIOS hacking.

This notebook is fast and Linux support is pretty good, but the BIOS looks like it was rushed and not properly QA'd. At the moment I would probably not recommend Lenovo to somebody that wants Linux compatible hardware, which is a shame considering how good most of the Thinkpads used to be. Perfect Linux support is only a few man-hours of engineer time Lenovo, and I'm sure that would be cost-effective just with one extra bloke choosing Lenovo hardware "because it works with Linux".
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User: (Anonymous)
Date: 2006-11-24 00:01 (UTC)
Subject: What a shame
Thats a real shame that quality is going down the tubes with Leveno already. I'm on my third thinkpad (a T42, running Ubuntu) and looking for a new one. Hard part is finding a solid laptop with Linux friendly hardware. I was considering Leveno but they might me out of the running now.
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User: (Anonymous)
Date: 2007-02-09 07:11 (UTC)
Subject: Re: What a shame
Don't confuse Lenovo's existing value line notebooks with the ThinkPad line of notebooks. The N100 is NOT a ThinkPad.
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User: (Anonymous)
Date: 2006-11-24 09:22 (UTC)
Subject: Lenovo is flushing down ThinkPad brand
In T61 or Z62 (can't remember now) they switch off vms, so you can't have hardware powered virtualization. When confronted about this they said, it's by design and won't be changed. There is no switch in BIOS for this.
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User: (Anonymous)
Date: 2006-11-24 11:07 (UTC)
Subject: Re: Lenovo is flushing down ThinkPad brand
I own such castrated z61t. Complained to to them just to receive such ,,30 day support'' mail as Hugsie. Which is annoying, as this laptop have year-long warranty. I see no way to contact them further :/

Richard, you seem to have access to beta BIOS versions from Lenovo. Is there some public place to obtaing them?

-zdzichu
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Richard Hughes
User: hughsient
Date: 2006-11-24 11:26 (UTC)
Subject: Re: Lenovo is flushing down ThinkPad brand
>you seem to have access to beta BIOS versions from Lenovo

A .bin file emailed from Lenovo without permission to redistribute. Sorry.

Richard.
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User: rohitmak
Date: 2008-03-23 03:52 (UTC)
Subject: Re: Lenovo is flushing down ThinkPad brand
After seeing people using ThinkPad in my company and I was having very good impression about IBM thinkpad, I planned to purchase Lenovo Thinkpad. I wasn't aware that thats going to be worst decision taken by me. When I received it, everything was working fine. Suddenly after 4 days wireless stopped working, it was new laptop indeed. I called to customer care. It took me 2 hours of time to resolve driver problem. Then I realized that my Ethernet connection was not working since beginning because I always used wireless connection. I called again to customer care, they simply asked me to send Laptop to service center. I sent it service center and I received it after 4 days. Still Ethernet wasn't fully functional. I called to customer care again and again he suggested me to update the Ethernet driver.

*The Worst*
I never realized that after receiving my laptop from Lenovo service center, left mouse button above the Trackpad was completely out of order. (Button was completely down, Hardware problem). Before it used to work fine. So it was spoiled by technicians of service center.

I called again to customer care, the asked me to send my laptop back to service center. Now here is the worst support. It was completely their fault. Since I use my Laptop extreme, I decided not to send it to customer care because they might create new problem again and asked me to send my laptop back....So my laptop always travels from my home to Lenovo Thinkpad service center and service centers to my home. And I will have to live without my laptop.

-> Customer care always asks to send your laptop to service center. (They don't know why we have purchased the laptop, to run our business or to use it as personal machine. Each time it is difficult to take a backup of your complete data, erase them from drive and restore them to laptop since data can be personal or confidential. Customer care don't know these things)

Let your company deal with all these problems but personally never ever go for Lenovo Thinkpad laptops. You can go for Lenovo Thinkpad laptop if you are luckiest person of the world. It was IBM Thinkpad which used to be considered as good as Apple laptops.

After Lenovo acquired it, they are like ordinary laptop now.
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User: (Anonymous)
Date: 2007-01-12 14:33 (UTC)
Subject: hello guys! i have some questions.
Hello guys! I have some questions. I mean need some help.
Where i can read more about this problema?
Please, don't derect me to http://google.com i know about it.
Please derect me with some links.
thanks!
UCAKK^^
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