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20 Posts

10-11-2018

United Kingdom of Great Britain and Northern Ireland

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-01-08, 10:38 AM

Not sure honestly, I don't remember tinkering much with it, just setting it to manual level 7 which locked the fan speed to 3500RPM.

By the way, does anyone have a way to downgrade to Bios 1.0? I remember reports on Reddit that it performed far better on that version, and I'm curious if the thermal limits were added post-1.0. Might be worth the keyboard scrambling.

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4 Posts

12-30-2018

Canada

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-01-11, 18:10 PM

This is still a serious issue, Lenovo. Is there any status or an update coming?

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101 Posts

08-25-2018

China

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-01-14, 23:22 PM

I'd be honestly thinking that it will take them 2 months to give an answer let alone a fix. We've got the exact same problem on the T480 and yet nothing has been done to fix the TDP throttling there

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20 Posts

09-19-2018

United States of America

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-01-14, 23:52 PM

So T480, which is Intel, also has thermal issues? First time hearing of this.

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17 Posts

10-05-2018

United States of America

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-01-15, 0:21 AM

Unfortunately, due to Lenovo's lack of communication and my dissatisfaction with this machine, I've decided to put mine up for sale. It doesn't look like Lenovo is going to have a "fix" for this anytime soon and the next iteration of Ryzen now seems to be spouting up. I may consider a ThinkPad again if Lenovo can do something right this time, but I won't be holding my breath.

 

All I really need is a machine with the APU alone (for decent battery life) and a decent screen, but it seems so far you either get OEMs trying to shove low- to mid-end Polaris GPUs alongside the APU for some reason, or an APU-only machine that skips out on proper cooling (due to a lack of a dedicated GPU) and several other factors that make a laptop feel premium.

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101 Posts

08-25-2018

China

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-01-15, 2:37 AM

They put the same TDP Wattage limits on the GPU/CPU and the hard cap at 70C despite EVERY SINGLE PERSON TELLING THEM OTHERWISE.

 

I am amazed that they haven't fired their entire bios coding team yet

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20 Posts

09-19-2018

United States of America

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-01-15, 10:01 AM

So then I am being spoiled with my T430s (writing from it), and want my next purshase to be Lenovo again, but they don't want to get my money.

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28 Posts

10-24-2018

United States of America

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-01-24, 13:41 PM

New firmware released today. Seems there is still no fix to performance. Intersting it mentions being able to update battery firmware with the update though. Wonder if there's an issue there?

 

Installed and tested on one of my machines, still severly throttled. 470s on battery mode, 570s on performance. 

 

Also, I still need to 'reset defaults' on my bios after each update or it locks the CPU into battery saving mode regardless of my settings... very annoying. I would assume this shouldn't be required by now. 

 

 

CHANGES IN THIS RELEASE
 Version 1.16
 
[Important updates]
- Enable battery FW Windows update.

[New functions or enhancements]
  Nothing.

[Problem fixes]
- Fixed Intel SSD BSOD issue.
- Fixed an issue that Dock's MAC address is not clone PC's MAC address in UEFI USB disk environment with MAC address pass through enabled in BIOS.
- Fixed an issue that Thinkpad USB-C G2 Dock LAN can not be recognized in Boot menu.

 

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2 Posts

02-08-2019

United States of America

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-02-08, 18:04 PM

Wow, I just bought a new A485 off of ebay a few days ago and now I'm really wishing that I'd done some more research and read through this thread (and the many others covering the same basic issue) before I'd made that purchase. It's very disappointing to see that this model is performing significantly worse than basically every other laptop model that's using the same Ryzen APUs. It is also pretty disheartening to see that there have been many BIOS updates since the model's launch about 6 months ago yet none of them have resolved the performance issues that this laptop has. If they haven't fixed the throttling problems at this point then it's probably just going to get less and less likely that Lenovo will ever fix the problem as time goes on and their engineering department shifts focus away from this model to other newer and upcoming products.

 

I don't mean to sound too negative, it's just that I was really excited about getting a new laptop and being able to try out one of these new APUs from AMD only to hear that the laptop model I chose seems to be severely gimped compared to the others that are on the market and that really took the wind out of my sails.

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17 Posts

10-05-2018

United States of America

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Re: Thinkpad A485 - Bios 1.05 worsens throttling further

2019-02-08, 18:28 PM

I agree; it's really quite unfortunate. I've been waiting for a decent laptop for graphics programming even since the first rumors/announcements of the release of the Ryzen mobile APUs. I really only wanted something with strong integrated graphics which could also attain at least decent battery life (say, ~6hrs of real-world usage), with quite a bias towards AMD. All the initial Ryzen mobile machines seemed to have graphics capability about on par with what I wanted, but the battery life was consistently subpar. With the A485, I thought I might have found the first machine close to what I wanted, since I could have a 96Whr total battery capacity and be able to forget about Ryzen mobile's power consumption problems.

 

There are the rumors abound of successors to these machines with the 12nm Ryzen 3000 APUs, but I don't know if I can trust Lenovo to not give them extremely crappy displays with poor thermals and next to no support. Since there really doesn't seem to be anything close coming this year (based on AMD partner statements from CES), I'm almost even considering the Dell XPS 15 with Vega M, but that also seems to be quite expensive for what I need it for, especially considering that to get 16GB of RAM you have to buy in to the 4K $2000 unit. I understand that there are several people who are happy with the current offerings, particularly with the HP Envy x360, but in my personal opinion it still feels like a bad time to be looking for an AMD-based laptop.

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