I'd be curious if that exists. I've heard the other option could be to connect a variable power supply to the battery terminals, although that would be a problem on the 75x series, since they expect the intelligent battery pack, which obviously provides additional signals. With the 355/360 battery pack, you can't even turn on a 75x machine.fultontech wrote:Somewhere there are instructions for bypassing the battery requirement for the BIOS flash. Takes a couple of floppies as I recall.goldeneagle wrote: Glad I updated all my BIOSes while I did.
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Just added to collection - 750Cs
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Re: Just added to collection - 750Cs
Historic ThinkPads owned:
300, 360C/CE/PE, 510CS, 560/E/Z, 600/E/X, 700C, 701C/CS, 720C, 730TE, 750C, 750P, 755C/CE/CX/CDV/CD, 760L, 760EL/XD, 765L
Newer ThinkPads owned:
P50, T480
300, 360C/CE/PE, 510CS, 560/E/Z, 600/E/X, 700C, 701C/CS, 720C, 730TE, 750C, 750P, 755C/CE/CX/CDV/CD, 760L, 760EL/XD, 765L
Newer ThinkPads owned:
P50, T480
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Re: Just added to collection - 750Cs
Here's the thread. It originally was for the 600, but it's the same process for almost all the older and newer Lenovo (at least it's similar for the X230)
https://www.wimsbios.com/forum/notebook ... t7229.html
I did it on a 750 because I needed the updated BIOS to fdisk a 1.2GB drive from a 755.
https://www.wimsbios.com/forum/notebook ... t7229.html
I did it on a 750 because I needed the updated BIOS to fdisk a 1.2GB drive from a 755.
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