safe to flash T500 7VET94WW bios with whitelist bios for 6FET92WW

T400/410/420 and T500/510/520 series specific matters only
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TPFanatic
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safe to flash T500 7VET94WW bios with whitelist bios for 6FET92WW

#1 Post by TPFanatic » Wed Apr 26, 2017 7:35 pm

I have a no whitelist BIOS for T500 6FET92WW that I've successfully flashed on one Type 2053 and one Type 2242 T500.

I have a Type 2082 T500 a 7VET94WW Bios ID. Winphlash warns me that 6FET92WW bios doesn't match the Bios ID of my machine. Is it safe for me to flash this Bios anyway?

I want to remove the Whitelist so I can install a WWAN card and upgrade my wireless to Wireless AC. I do own another 6FET92WW T500 I could just move my drive and screen and RAM and CPU to but I hate disassembling everything....
Daily driver: lenovo T500 P9700, WUXGA, 8GB
Ultraportable: IBM lenovo X60s
Home theater: lenovo T420

Enable advanced features on older Synaptics touchpads with the registry: http://forum.thinkpads.com/viewtopic.php?f=2&t=122612

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Re: safe to flash T500 7VET94WW bios with whitelist bios for 6FET92WW

#2 Post by shawross » Wed Apr 26, 2017 8:32 pm

Flashing a Bios contains a risk element. With the warning I wouldn't proceed with the flash. I have flashed all my Thinkpads and I have never had warnings about mismatches.
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Re: safe to flash T500 7VET94WW bios with whitelist bios for 6FET92WW

#3 Post by FryPpy » Thu Apr 27, 2017 12:56 am

TPFanatic wrote: I have a Type 2082 T500 a 7VET94WW Bios ID. Winphlash warns me that 6FET92WW bios doesn't match the Bios ID of my machine. Is it safe for me to flash this Bios anyway?
Strange thing. 2082 - is MT of T500, while 7VET94WW is a BIOS for T400 / R400 systems. It seems that someone have flashed wrong BIOS in past...?

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Re: safe to flash T500 7VET94WW bios with whitelist bios for 6FET92WW

#4 Post by RealBlackStuff » Thu Apr 27, 2017 5:21 am

T500 has 2 BIOS versions!
Check Lenovo: http://pcsupport.lenovo.com/us/en/downloads/migr-70353
Lenovo wrote:This package updates the BIOS (including system program and Embedded Controller program) stored in the ThinkPad computer to fix problems, add new functions, or expand functions as noted below.

BIOS ID 6Fxxxxxx-based computer (Upper two alphanumeric characters of BIOS ID are 6F)
BIOS ID 7Vxxxxxx-based computer (Upper two alphanumeric characters of BIOS ID are 7V)
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Re: safe to flash T500 7VET94WW bios with whitelist bios for 6FET92WW

#5 Post by TPFanatic » Thu Apr 27, 2017 6:28 pm

Check out this Lenovo thread. Someone had a T400 Bios flashed on their W500.

Are T400 and T500 Bioses secretly the same?? Should I try to find a no-whitelist 7VET94WW Bios for T400 to install on my T500? Why even are they different? :??:
Daily driver: lenovo T500 P9700, WUXGA, 8GB
Ultraportable: IBM lenovo X60s
Home theater: lenovo T420

Enable advanced features on older Synaptics touchpads with the registry: http://forum.thinkpads.com/viewtopic.php?f=2&t=122612

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