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Searching Acer Aspire One D255 advanced Bios!!!
(03-09-2015, 05:06 PM)BDMaster Wrote: Here You go :


Gone Again, could you repost again?
THANKS zatera33 and BDMaster!!!
(04-01-2014, 08:03 PM)zatera33 Wrote:
(02-18-2014, 11:47 AM)BDMaster Wrote:
(02-18-2014, 09:46 AM)Dom94Nik Wrote: I´m looking for a advanced Bios Update.
Acer Aspire One D255
InsydeH2O Rev. 3.5 Version 3.16
original Acer Bios -,%20CHROMEBOOK&Step2=ASPIRE%20ONE&Step3=AOD255&OS=X02&LC=de&BC=ACER&SC=EMEA_8

Please help me and unlock my bios! Huh

Download and unpuck file, rename bios file for your laptop (DDR2 or DDR3 ) as original and put into folder (Dos or Windows) and flash it.

Bios Acer Aspire D255 Happy v. 3.16 Slic 2.1 + Menu Tabs Unlocked !

Post screen shots, please and let me know.

this link no longer works. file was deleted

I have "Bios Acer Aspire D255 Happy v. 3.16" and "Bios Acer Aspire D255 Happy v. 3.16 Slic 2.1" if anyone needs it, I can find a place to post it. However, I must say, that they look the same, with different names attached, and
they do the same thing...
Meanwhile, back at the farm ...

I've flashed my BIOS back and forth - IE: Flashed BIOS up to have the `advanced menus,` AND SUCESSFULLY flashed the BIOS BACK DOWN to have `NO advanced menu` options.

Once in a while, after a flash, on the `Security` tab, the password for HDD will say `LOCKED` and be greyed out... ignore that, with a re-flash, or in my case, I just ignored it, and it went DD password is `CLEAR.`

As you will see in the attached pictures, the only `extras` I got were `Advanced` and `Power,` which believe it or not, has NOTHING to do with CPU power adjustments, or FSB Speed adjustments...

Advanced has listings for `PCI Express Root Port 2,`3, and 4. It also lists `ASF configuration.`

No Ideas what that does, yet... going to read:

Afaik, almost none of these settings pertain to overclocking... and I`ve tried using setfsb, to no avail. I've even tried turning `Hyper Threading`off, and the speed only budged a hertz or so... I`ve tried just about every setting on set FSB, and the only pll that worked (sort of proper) was (using setfsb_2_2_134_98) : ICS9148BF-26 (the 1st one on the list.)
I clicked get FSB and it starts out with the 1st slider MAX`d at 7. The other slider is greyed out. Do NOT See attached picture.
It reads FSB, and DDR, and PCI, but not AGP...
Anyhoo, I can (seem to) UNDERCLOCK this board from 133MHz to 100MHz, and the slider stays, but the processor speed stays the same. I don`t know it the speed change should be immediate or not. As I stated earlier, the slider starts out maxed out at 7 - 133MHz, can`t go higher... but still no change in speed. I think that both sliders have to be able to move to overclock this puppy. I`ve only heard rumors (never seen one...) that this particular atom can be ripped asunder, so to speak.

Loooong story short, I didn`t manage to overclock (or underclock for that matter) the ACER Aspire One D255 with INSYDE BIOS. Huh

[censored] wasps...

Anyways, on to the attached pictures:

Attached Files Thumbnail(s)
(03-09-2015, 05:06 PM)BDMaster Wrote: Here You go :


Later than late...but if you please could upload it again...thanks!
Hi Guys Wink
Can i use this bios to flash my D255E? Specs are a little bit different - N550 1.5Ghz, now 2Gb of DDR3...
Here You go :


Your Brain . . . . It's the best tool U can use ! Wink
Don't FLASH the Bios Mod if You get a Size Alert, You risk a Brick !!!
Donate to me for my work, click here BDM
Late to the party could you please reupload
Hi Volks,

please can anybody re-up the unlocked D255 BIOS ?

Thanks a lot !Smile
(09-10-2015, 03:57 PM)BDMaster Wrote: Here You go :



The file is not available anymore, would it be possible for you to repost it ?

I Have a d255.

Please reup a Advance Bios!
Hello BDMaster, may I ask you to re-upload this again please? Thank you.

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