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Konventual
Token Ring
Posts: 24
Registered: ‎05-17-2018
Location: CZ
Views: 1,584
Message 1 of 20

E480 new BIOS 1.32

E480 new BIOS 1.32 readme is written:

- enable iboost function

 

What is it?

fernandopenafil1
Punch Card
Posts: 38
Registered: ‎02-11-2016
Location: BR
Views: 1,524
Message 2 of 20

Re: E480 new BIOS 1.32

I also would like to know... I asked the same thing on reddit but still no answer...

Lenovo Staff
Lenovo Staff
Posts: 5,537
Registered: ‎10-29-2009
Location: NC
Views: 1,518
Message 3 of 20

Re: E480 new BIOS 1.32

I don't know but I'll try to find out.

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Lenovo Staff
Lenovo Staff
Posts: 5,537
Registered: ‎10-29-2009
Location: NC
Views: 1,449
Message 4 of 20

Re: E480 new BIOS 1.32

I found out that iboost is an internal Intel BIOS feature which increases DisplayPort signal strength.  Apparently there was some problem with external monitors connected to USB-C dock, and "enable iboost" improves the situation.  It is an internal BIOS setting, not anything in BIOS setup or anywhere that end user can change.  So I have no idea why they wrote "enable iboost" into the readme rather than simply explaining which problem was fixed in a way that customer (or even support staff) can understand.  I have given this feedback to the BIOS team which writes the readme.  Sorry for this confusion.

fernandopenafil1
Punch Card
Posts: 38
Registered: ‎02-11-2016
Location: BR
Views: 1,443
Message 5 of 20

Re: E480 new BIOS 1.32

Thanks a lot!

notalentatall
Fanfold Paper
Posts: 10
Registered: ‎03-28-2018
Location: DE
Views: 1,417
Message 6 of 20

Re: E480 new BIOS 1.32

Besides supposedly enabling this "iboost" function, the readme states also this:

 

- updated Kabylake-R Y-0 MCU to MC0806EA_000000B3_000000B4 and

  Kabylake H-0/J-1 MCU to  MC0806E9_000000B3_000000B4

 

and

 

- update Diagnostics tool, Version 04.07.003

 

what does this do or mean?
I'm guessing just like me you are holding on to an earlier BIOS version, because of the crippeling GPU throtteling that was introduced in later versions, and now everyone's eager to understand what changes we miss out

 

greetings

Lenovo Staff
Lenovo Staff
Posts: 5,537
Registered: ‎10-29-2009
Location: NC
Views: 1,411
Message 7 of 20

Re: E480 new BIOS 1.32

Those items are referring to CPU microcode from Intel (which gets updated frequently), and the built-in diagnostics that you can launch by rebooting and pressing F10 at the Lenovo logo screen.

Konventual
Token Ring
Posts: 24
Registered: ‎05-17-2018
Location: CZ
Views: 1,346
Message 8 of 20

Re: E480 new BIOS 1.32

someotherguy: Thank you very much

Patt0
Punch Card
Posts: 23
Registered: ‎01-05-2019
Location: PL
Views: 1,202
Message 9 of 20

Re: E480 new BIOS 1.32

Yup, everyone just waiting for that fix for terrible thermal throttling that was introduced with version 1.14 of bios.

fernandopenafil1
Punch Card
Posts: 38
Registered: ‎02-11-2016
Location: BR
Views: 1,180
Message 10 of 20

Re: E480 new BIOS 1.32

Not gonna happen, unfortunately...

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