BIOS Update (Diskette) – ThinkPad R50/p, R51 (1829, 1830, 1831, 1836), T40/p, T41/p, T42/p

NameOperating SystemVersionReleasedDownload
BIOS update (diskette version)
1.05 MB
DOS/Windows 3.x
1RETDRWW (3.23) 03 Jul 2007 Download
README for BIOS update (diskette version)
29.69 KB
DOS/Windows 3.x
1RETDRWW (3.23) 03 Jul 2007 Download

This ThinkPad BIOS Update Utility updates the BIOS program stored in the ThinkPad system to fix problems, add new functions, or expand functions as noted below.

This release supports the following systems:
- ThinkPad R50, R50p
- ThinkPad R51 (M/T 1829, 1830, 1831 and 1836)(*1)
- ThinkPad T40, T40p, T41, T41p, T42, T42p

- (*1) Machine Type 2883, 2887, 2888, 2889, 2894 and 2895 of the ThinkPad R51 family are not supported. - This version of the BIOS will only work with Embedded Controller Program Version 3.04 (or higher). The Embedded Controller Program (H8 controller firmware) is available in an additional package, a link is provided below.
- If you need to update the Embedded Controller Program as well as the BIOS, update the BIOS first.