Forum RSS Feed Follow @ Twitter Follow On Facebook

Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
[-]
Welcome
You have to register before you can post on our site.

Username:


Password:





[-]
Latest Threads
Clevo P775TM1-G BIOS
Last Post: ActivatedNut
Today 01:36 AM
» Replies: 145
» Views: 55270
[REQUEST] Lenovo G50-70 (9ACNxxWW) BIOS ...
Last Post: colin89
Yesterday 06:16 PM
» Replies: 138
» Views: 40923
ASUS P5G41T-M LX2/GB Unlocked Hidden Ove...
Last Post: GangsteR23
Yesterday 04:58 PM
» Replies: 25
» Views: 64112
lenovo z570 Advanced Menu Unlocked
Last Post: Kaluva12345
Yesterday 04:58 PM
» Replies: 7
» Views: 4094
[Request] HP Elitebook 6930P WLAN Whitel...
Last Post: Maxinator500
Yesterday 02:25 PM
» Replies: 15
» Views: 6551
[REQUEST] Lenovo Yoga 11E (N15ETxxW) Whi...
Last Post: drradkin
Yesterday 12:30 PM
» Replies: 4
» Views: 2500
Lenovo ThinkCentre M715q 2nd Gen & AMD R...
Last Post: RedfieldHUN1987
Yesterday 09:23 AM
» Replies: 2
» Views: 133
L14 Gen 3 AMD , Need UEFI unlock advance...
Last Post: frankeinstein2532555
Yesterday 04:08 AM
» Replies: 0
» Views: 78
[REQUEST] Lenovo Y400 & Y500 (6BCNxxWW) ...
Last Post: freedome
03-26-2024 11:00 PM
» Replies: 188
» Views: 52150
[REQUEST] Lenovo G510 (79CNxxWW) Whiteli...
Last Post: ghostinoss
03-26-2024 09:21 PM
» Replies: 655
» Views: 167030
[Request] CPU support for Lenovo IQ57I
Last Post: DeathBringer
03-26-2024 10:02 AM
» Replies: 5
» Views: 230
unlocked Bios for Machenike s16
Last Post: Dudu2002
03-26-2024 09:06 AM
» Replies: 5
» Views: 320
[REQUEST] Bios Unlock Whitelist HP DV6-6...
Last Post: DimanTLT63
03-26-2024 03:03 AM
» Replies: 0
» Views: 131
[REQUEST] HP Pavilion G6-1252ss Whitelis...
Last Post: joseefitness
03-26-2024 01:40 AM
» Replies: 0
» Views: 114
[REQUEST] Lenovo S310 & S410 (8BCNxxWW) ...
Last Post: morgley
03-25-2024 10:43 PM
» Replies: 14
» Views: 6325
Acer Nitro ANV15-51 Bios Bin File Reques...
Last Post: Papethzkie23
03-25-2024 06:04 PM
» Replies: 0
» Views: 131
[REQUEST] Lenovo G710 BIOS Whitelist Rem...
Last Post: si1975
03-25-2024 01:28 PM
» Replies: 468
» Views: 125383
[REQUEST] Lenovo Yoga 2 Pro (76CNxxWW) W...
Last Post: TalKaz
03-25-2024 11:10 AM
» Replies: 844
» Views: 316971
[REQUEST] Toshiba Satellite A300D PSAK0C...
Last Post: 1000palladium
03-25-2024 10:43 AM
» Replies: 4
» Views: 227
[REQUEST] Lenovo G780 (5ECNxxWW) Whiteli...
Last Post: Dudu2002
03-25-2024 08:36 AM
» Replies: 877
» Views: 280980

[Request] BIOS Dump/Backup of Lenovo T500 or W500
#1
I have a T500 laptop, and messed up the stock Lenovo BIOS (updated it without updating the EC) and ended up breaking keyboard input which made the entire laptop unusable (couldn't boot any device). Managed to flash Coreboot and now the laptop is usable, but I'd really like to return to the Lenovo BIOS in order to update my EC.

My EC is at version 1.01 (oldest version). I'm pretty sure my laptop is a 7V model (not 6F). Looking at the BIOS update notes from Lenovo, the last BIOS version to support that EC is 2.16-1.01 (BIOS ID 7VET66WW and ECP ID 7VHT12WW), which can be downloaded here. Once extracted however, it provides two relevant files in the 7V folder, $01B8100.FL1 (2.4MB) and $01B8100.FL2 (4.2MB), but neither file reads as a proper BIOS image according to ifdtool, and I'm unsure if I could just flash either of them.

I'd like to flash a T500 or W500 BIOS dump from another laptop in hopes it will allow me to use Lenovo's BIOS update CD to update the EC. After that, I'll go back to Coreboot and be content.

I'd be interested in any dump from a T500 or W500, but here is my specific laptop info if it'll at all be useful:
  • The dump can come from any dump tool (Intel Flash Programming Tool, flashrom, SPI)
  • T500 (no ATI graphics; it seems the W500 uses the same BIOS)
  • 7Vxxxxxx-based (pretty confident in this; unsure what the difference is between that and the 6Fxxxxxx-based laptops)
  • 4MB MX25L3205D BIOS chip (it's definitely 4MB, but apparently this is rare and the usual chip in T/W500 is 8MB or 16MB; I'm thinking either it'll dump only 4MB from those chips, or I can remove extra padding to make it fit in 4MB)
Here is an archive containing the above last Lenovo BIOS update archive with the two FL files, and a dump of my T500 chip for reference: https://drive.google.com/open?id=1QL13Jp...gLep4G3Gow

[Image: 820LcDeSURqbEMgv.jpg]
find
quote
#2
I can open both of the 4155KB files in Phoenix BIOS Editor (Not PhoenixTool), but both look very sparse settings-wise and in hex both of the files are probably 75% or more blank (FF). Your "BAD" BIOS opens and looks similar in both Phoenix BIOS Editor and hex (Bit different here, since your dump is actual complete BIOS and contains ME region and other regions not present in the flash files.) But your BIOS also has more options that the flash files, in the BIOS tool so the downloaded files from exe must only be partial flash files.

Here is four dumps from T500, well I guess many are not dumps Sad One Whitelist removed, I think this is modified flash package, similar files inside but different sizes + T500/W500m (8MB IMG file) and a second W500 dump (Also 8MB IMG), and one actual T500.bin dump but it's only 1KB?? Probably not useful, especially that last one, but posting for you in case they help for now, I will look more for a 4MB dump later when I have more time
http://s000.tinyupload.com/index.php?fil...9629076245

Hope they help, I'm unable to see BIOS version (not sure where to look)
If you need me to find BIOS version, tell me your BAD BIOS version and maybe I can find in there, then it will help me locate in the dumps too.
find
quote


Forum Jump:


Users browsing this thread: 1 Guest(s)