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Latest Modded BIOS for W-520 (and T-420 and T-520)
Latest Modded BIOS for W-520 (and T-420 and T-520)
i'm a previous user of modded BIOS for T-420 (1.51 (83UJ32US)) and T-520 (1.48 (8AUJ29US)) which had the white list removed and displayed the Advanced BIOS settings. These have worked wonderfully well. (Full 16 GB RAM, Optimus NVS 4200, glossy AUO screens which are crystal clear) updated WiFi with latest drivers for Win 10 2004)
Unfortunately, one of my T-520s lost a motherboard, and I accidentally ordered a W-520 motherboard with the Quadro 2000 GPU by mistake. It does fit the T-520 frame, and will take 32 GB of RAM instead of 16 GB (which works for me, although it needs a different fan/heatsink, DC power socket and a 170 W power supply), so...
I've decided to keep it *IF* I can find a W-520 modded 1.46 (8BUJ25US) BIOS mentioned elsewhere at http://rgho.st/8JBjMm4mn (which appears to have had the file removed).
Were the T-420 1.52 (83UJ33US) and T-520 1.49 (8AUJ30US) BIOS available as well, I would be interested in those too to update my other systems.
If anyone has information on what the Advanced BIOS options are (more than just going into the BIOS and looking at the brief, but at times not too helpful, descriptions, I'd be interested in that as well.
My thanks in advance for any leads on this.
Unfortunately, one of my T-520s lost a motherboard, and I accidentally ordered a W-520 motherboard with the Quadro 2000 GPU by mistake. It does fit the T-520 frame, and will take 32 GB of RAM instead of 16 GB (which works for me, although it needs a different fan/heatsink, DC power socket and a 170 W power supply), so...
I've decided to keep it *IF* I can find a W-520 modded 1.46 (8BUJ25US) BIOS mentioned elsewhere at http://rgho.st/8JBjMm4mn (which appears to have had the file removed).
Were the T-420 1.52 (83UJ33US) and T-520 1.49 (8AUJ30US) BIOS available as well, I would be interested in those too to update my other systems.
If anyone has information on what the Advanced BIOS options are (more than just going into the BIOS and looking at the brief, but at times not too helpful, descriptions, I'd be interested in that as well.
My thanks in advance for any leads on this.
-
Shredder11
- Junior Member

- Posts: 379
- Joined: Sat Jun 30, 2012 6:25 pm
- Location: Bradford, West Yorkshire, England
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
I obtained versions 1.45 and 1.46 last year from trusted uploader Serg008 on the MDL forums, and both have WLAN WList check removed + RAM Speed Unlocked.
Lenovo ThinkPad W520_1.45-(8BET65WW)-8buj24us__nWL_RAMunl.rar
http://www.mediafire.com/file/a5xm99etfjduixm/
WLAN WList check removed + RAM Speed Unlocked
Lenovo_ThinkPad_W520_1.46-8BET66WW-8buj25us__nWL_RAMunl.rar
http://www.mediafire.com/file/u493e0b7se0lj66/
WLAN WList check removed only
Lenovo_ThinkPad_W520_1.46-%25288BET66WW%2529-8buj25us__nWL.7z
http://www.mediafire.com/file/bd8lralhglw49pl/
Lenovo ThinkPad W520_1.45-(8BET65WW)-8buj24us__nWL_RAMunl.rar
http://www.mediafire.com/file/a5xm99etfjduixm/
WLAN WList check removed + RAM Speed Unlocked
Lenovo_ThinkPad_W520_1.46-8BET66WW-8buj25us__nWL_RAMunl.rar
http://www.mediafire.com/file/u493e0b7se0lj66/
WLAN WList check removed only
Lenovo_ThinkPad_W520_1.46-%25288BET66WW%2529-8buj25us__nWL.7z
http://www.mediafire.com/file/bd8lralhglw49pl/
Z61p x3 (C2D T7600, 3GB, 500GB SSD, BCM70015, Advanced Dock x1, Mini Dock x2)
W520 (C2Q i7-2720QM, 32GB, 240GB SSD)
X61 (C2D T7500, 4GB, 250GB SSD, BCM70015)
X61s (3GB, 120GB SSD)
T43p (PM 760, 2GB, IBM Port Replicator II, 128GB SSD)
G41 (P4 3.46GHz, 2GB, 128GB SSD)
W520 (C2Q i7-2720QM, 32GB, 240GB SSD)
X61 (C2D T7500, 4GB, 250GB SSD, BCM70015)
X61s (3GB, 120GB SSD)
T43p (PM 760, 2GB, IBM Port Replicator II, 128GB SSD)
G41 (P4 3.46GHz, 2GB, 128GB SSD)
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
I looked back through my old correspondence (3 years ago), and found an e-mail address for Oleh who did my previous BIOS as I never heard anything from Serg08. He's still in business, and the BIOS works greats with the Advanced menu unlocked.
I'm going to give this a try with 32 GB (4 x 8 SODIMMs) of G. Skill DDR3L 1866 (PC3L 14900) RAM with latencies of 11-11-11-32 as I do heavy database crunching.
I'm going to give this a try with 32 GB (4 x 8 SODIMMs) of G. Skill DDR3L 1866 (PC3L 14900) RAM with latencies of 11-11-11-32 as I do heavy database crunching.
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Hi, is there any reason to prefer a W530 mobo over a W520 one if you install this BIOS? Does W530 still support more CPU-s in i7-3xxx generation?
X220, 2 *T520
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
@ atagunov -
I have no experience with T/W-530 swaps into T/W-520's. Perhaps others can help you. Same goes for T/W-530 modded BIOS.
Others maybe able to point you in the right direction.
I have no experience with T/W-530 swaps into T/W-520's. Perhaps others can help you. Same goes for T/W-530 modded BIOS.
Others maybe able to point you in the right direction.
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Okay, I actually had a different question. I was wondering if this modded BIOS happens to support Ivy Bridge CPU-s e.g. i7-3xxx. Probably not?
X220, 2 *T520
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Most likely not - BIOSs are quite specific for their own component configuration - the T-420, T-520 and W-520 are quite similar in that they all use Sandy Bridge, but the individual inventory of GPUs are somewhat different. Each BIOS has different stepping numbers that don't keep up with each other.
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Hey can you PM me the mail? I'd like to make the guy work hard to make me a franken-bios from T520 and T530 together if at all possible
X220, 2 *T520
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Hi,
I wonder if anyone could share the unlocked versions of the BIOS for the W520?
I would like to add AX or 6E if possible...
Thank you!
Dustin
I wonder if anyone could share the unlocked versions of the BIOS for the W520?
I would like to add AX or 6E if possible...
Thank you!
Dustin
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Look back in my parts list, I have two e-mail addresses that are somehow associated.
biosmod8@gmail.com
Mikhail Sememnov
mandriva64@gmail.com
Oleg Khich
biosmod8@gmail.com
Mikhail Sememnov
mandriva64@gmail.com
Oleg Khich
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Hi would it be possible to reupload those file again. I need modded BIOS for w520.Shredder11 wrote: ↑Sun Aug 16, 2020 9:47 amI obtained versions 1.45 and 1.46 last year from trusted uploader Serg008 on the MDL forums, and both have WLAN WList check removed + RAM Speed Unlocked.
Lenovo ThinkPad W520_1.45-(8BET65WW)-8buj24us__nWL_RAMunl.rar
http://www.mediafire.com/file/a5xm99etfjduixm/
WLAN WList check removed + RAM Speed Unlocked
Lenovo_ThinkPad_W520_1.46-8BET66WW-8buj25us__nWL_RAMunl.rar
http://www.mediafire.com/file/u493e0b7se0lj66/
WLAN WList check removed only
Lenovo_ThinkPad_W520_1.46-%25288BET66WW%2529-8buj25us__nWL.7z
http://www.mediafire.com/file/bd8lralhglw49pl/
Appreciated.
T60 8743-cto, 64 GB C300 SSD, UB HDD - 200GB 7200, ATI MR X1400 @ 1680x1050, 3 GB RAM, Core 2 Duo T7200 2 GHz, Atheros WIFI N, IntelPRO/1000 PL, DVDRW, Win XP pro/Ubuntu 10.10
-
Shredder11
- Junior Member

- Posts: 379
- Joined: Sat Jun 30, 2012 6:25 pm
- Location: Bradford, West Yorkshire, England
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
garnet wrote: ↑Sun Dec 08, 2024 11:52 amHere you go, two of those three files that I still have available https://mega.nz/folder/IR5jHTaI#LtNZTZO0P3kk33U1O4GxNgShredder11 wrote: ↑Sun Aug 16, 2020 9:47 am
I obtained versions 1.45 and 1.46 last year from trusted uploader Serg008 on the MDL forums, and both have WLAN WList check removed + RAM Speed Unlocked.
Hi would it be possible to reupload those file again. I need modded BIOS for w520.
Appreciated.
I must have deleted the other file and not sure where to find it now, but you probably will not need it.
WLAN WList check removed only
Lenovo_ThinkPad_W520_1.46-%25288BET66WW%2529-8buj25us__nWL.7z
Z61p x3 (C2D T7600, 3GB, 500GB SSD, BCM70015, Advanced Dock x1, Mini Dock x2)
W520 (C2Q i7-2720QM, 32GB, 240GB SSD)
X61 (C2D T7500, 4GB, 250GB SSD, BCM70015)
X61s (3GB, 120GB SSD)
T43p (PM 760, 2GB, IBM Port Replicator II, 128GB SSD)
G41 (P4 3.46GHz, 2GB, 128GB SSD)
W520 (C2Q i7-2720QM, 32GB, 240GB SSD)
X61 (C2D T7500, 4GB, 250GB SSD, BCM70015)
X61s (3GB, 120GB SSD)
T43p (PM 760, 2GB, IBM Port Replicator II, 128GB SSD)
G41 (P4 3.46GHz, 2GB, 128GB SSD)
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Thanks. My BIOS is at 1.42 atm. I got 1.46 from lenovo web site. Do I upgrade with the 1.46 vanila and then upgrade with the modded 1.46?Shredder11 wrote: ↑Sun Dec 08, 2024 1:53 pmgarnet wrote: ↑Sun Dec 08, 2024 11:52 am
Here you go, two of those three files that I still have available https://mega.nz/folder/IR5jHTaI#LtNZTZO0P3kk33U1O4GxNg
I must have deleted the other file and not sure where to find it now, but you probably will not need it.
WLAN WList check removed only
Lenovo_ThinkPad_W520_1.46-%25288BET66WW%2529-8buj25us__nWL.7z
T60 8743-cto, 64 GB C300 SSD, UB HDD - 200GB 7200, ATI MR X1400 @ 1680x1050, 3 GB RAM, Core 2 Duo T7200 2 GHz, Atheros WIFI N, IntelPRO/1000 PL, DVDRW, Win XP pro/Ubuntu 10.10
-
Shredder11
- Junior Member

- Posts: 379
- Joined: Sat Jun 30, 2012 6:25 pm
- Location: Bradford, West Yorkshire, England
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
Not sure if that was stipulated over on the site where I first downloaded them from, but its usually the standard method and one I would advise doing, to use stock update first and then apply the modded version after.
Z61p x3 (C2D T7600, 3GB, 500GB SSD, BCM70015, Advanced Dock x1, Mini Dock x2)
W520 (C2Q i7-2720QM, 32GB, 240GB SSD)
X61 (C2D T7500, 4GB, 250GB SSD, BCM70015)
X61s (3GB, 120GB SSD)
T43p (PM 760, 2GB, IBM Port Replicator II, 128GB SSD)
G41 (P4 3.46GHz, 2GB, 128GB SSD)
W520 (C2Q i7-2720QM, 32GB, 240GB SSD)
X61 (C2D T7500, 4GB, 250GB SSD, BCM70015)
X61s (3GB, 120GB SSD)
T43p (PM 760, 2GB, IBM Port Replicator II, 128GB SSD)
G41 (P4 3.46GHz, 2GB, 128GB SSD)
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
I have a t520 with cpu i5-2520M @ 2.50GHz and I want to upgrade it to i7-3630QM. My current bios is version 1.49 from Lenovo official web site and I am searching for a moded version of the same bios (or downgraded bios) so it can recognize the new cpu when installed. Anyone can provide a working link with the moded 1.49 bios?
I will greatly appreciate the help. Thanks
I will greatly appreciate the help. Thanks
Re: Latest Modded BIOS for W-520 (and T-420 and T-520)
On my modded BIOSes, it goes into Advanced by default.
These are:
ThinkPad_T-420_BIOS_1_52_83uj33us_Mod
ThinkPad_T-520_BIOS_1_49_8auj30us_Mod
ThinkPad_W-520_BIOS_1_46_8buj25us_Mod
Source:
biosmod8@gmail.com
Mikhail Sememnov
mandriva64@gmail.com
Oleg Khich
These are:
ThinkPad_T-420_BIOS_1_52_83uj33us_Mod
ThinkPad_T-520_BIOS_1_49_8auj30us_Mod
ThinkPad_W-520_BIOS_1_46_8buj25us_Mod
Source:
biosmod8@gmail.com
Mikhail Sememnov
mandriva64@gmail.com
Oleg Khich
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