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    • By plutomaniac
      Clevo W2xxHNx/W2xxHPx series Modded & Stock BIOS
       
      Note: This thread is no longer updated. You can find the latest info HERE.
       
      Notice: Make sure you have downloaded the correct Mod for your specific model and that the laptop's or a UPS battery backup is present during the update process.
       
      Disclaimer: I do not hold any responsibility for any problems that may occur by using the mods in a wrong way. Remember that you flash these at your own risk. I have personally tested the W25xHNx mod. Since the laptops mentioned here are of the same series and thus almost identical, you shouldn't face any problems with the rest of them. The same changes were made to all models after ensuring that their stock counterparts are identical to the tested W25xHNx laptop.
       
      Note: All mods contain both the Modded and Stock BIOS image files so that you can go back in case you want to. Use Mod.bat or Stock.bat at a DOS environment respectively. Check the Flashing Guide below for detailed instructions.
       
      W2xxHNx/W2xxHPx Mod Changelog:
       
      v1.2
       
      Intel Sandy Bridge 206A7 CPU microcode 29 --> 2D
       
      v1.1
       
      Intel Management Engine 1.5MB firmware 7.1.60.1193 --> 7.1.80.1214
      Intel HD Graphics 3000 vBios 2170 --> 2171
      Updated flashers to AFUDOS v3.07.01 and FWUpdate v7.1.50.1166
       
      v1.0
       
      Intel Management Engine 1.5MB firmware 7.0.4.1197 --> 7.1.60.1193
      Intel HD Graphics 3000 vBios 2117 --> 2170
      JMicron JMC25x Gigabit Ethernet Controller 1.0.9.0 --> 1.0.10.0
      Intel Sandy Bridge 206A7 CPU microcode 12 --> 29
      Removed redundant Intel Sandy Bridge 206A7 CPU microcode 14
      Added support for Intel Core i7-2820QM ES/QS processor (W25xHPW)
      Fixed grammar mistake at Resuming from Hibernation image
      Fixed spelling mistakes at Advanced tab (Alart --> Alarm)
      Merged BIOS & EC firmware into a single image file
      Correct BIOS version & date reported in Windows
       
      Clevo W25xHNx series BIOS v1.01.07 & EC v1.00.06 [Mod v1.2]
       

       
      Supported Models (*): W251HNQ, W251HNQ-C, W255HN, W253HNQ1, W253HNQ, W258HNQ etc...
       
      Clevo W25xHPx series BIOS v1.01.07 & EC v1.00.08 [Mod v1.2]
       

       
      Supported Models (*): W251HPQ, W251HPQ-C, W255HP, W253HPQ1, W253HPQ, W258HPQ etc...
       
      Clevo W27xHNx series BIOS v1.01.05 & EC v1.00.04 [Mod v1.2]
       

       
      Supported Models (*): W270HNQ etc...
       
      Clevo W27xHPx series BIOS v1.01.05 & EC v1.00.05 [Mod v1.2]
       

       
      Supported Models (*): W270HPQ etc...
       
      Clevo W25xHPW series BIOS v1.01.05 & EC v1.00.04 [Mod v1.2]
       

       
      Supported Models (*): W251HPW, W255HPW, W258HPW, W253HPW1, W253HPW etc...
       
      Flashing Guide (Text & Video):
       
      1. Create a bootable MSDOS/FreeDOS USB flash-drive using Rufus
      2. Copy all files relevant to your model at the USB flash-drive's root directory
      3. Plug the USB flash drive at your laptop's USB 2.0 port
      4. Restart and press F2 to enter BIOS to make sure that you do not have any BIOS or HDD password protection
      5. Restart and press F7 to enter the Boot Order menu at which select your USB flash drive
      6a. To update your BIOS & EC to the latest modded version, type Mod
      6b. To update your BIOS & EC to the latest stock version, type Stock
      7. Follow the easy on-screen prompts to finish the update process
      8. The first time after the update, the laptop will boot and automatically restart quickly
      9. Press F2 to enter BIOS and Load Setup Defaults followed by Save Changes and Reset
      10. You have successfully updated your BIOS & EC to the latest modded/stock versions
       
      (*) As shown at Clevo Bios Mirror and laptop Service Manuals
       
      Special thanks to Lordkag for the help and advice.
    • By shogun
      Fellow Users, I kindly ask every owner of Clevo P170SM to share their experience with updating their system with Prema BIOS P170SM_34_31_PM_v2.
       
      FAQ
       
      Q: What is the checksum of the official "P170SM_34_31_PM_v2.rar"?
      A: MD5 checksum is: 07198c20968275d6004562d4e5da89ef
       
      Q: What is the password to "P170SM_34_31_PM_v2.rar"?
      A: The password is: premamod.com
    • By shogun
      premamod.com
      biosmods.wordpress.com
      premamod.wordpress.com
      techinferno.com/index.php?/profile/259-prema/&do=content&type=downloads_file
       
      Which one of the above is the official website dedicated to Prema BIOS mod and why they all seem dead? Including the last one - according to TechInferno, Prema's last visit here was on Dec 2, 2016. Is Prema long done with creating custom firmware?
    • By johnny27284
      Hi everyone, can someone help me out please? If I purchase the 
      Tech|Inferno Elite - Tier I  
      6.00 USD
      Will I be able to download immediately or will i have to wait, thanks in advance.
    • By GTMoraes
      Hello!
       
      I think I have a Clevo W942SW rebranded as a Positivo Master N250i in Brazil. I'm pretty sure it's a Clevo W942SW because even some Clevo manuals about this model carries the "POSITIVO" brand in pictures. And everything else matches perfectly, as I could perceive.
       
      Well, it has a "Aptio 4" BIOS from what I could see, and the stock BIOS is pretty damn locked up 
       
      Here's what it looks like from the AFUWIN program:
      https://imgur.com/a/Vd71t
       
      And here's the BIOS dump, I think:
      https://www.sendspace.com/file/zp0ywq
       
      Any information would be very nice about if it's possible to unlock/mod this or not.
      Thanks!
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