Hard drive firmware update

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Lenovo provides Hard drive firmware update utilities in the form of bootable iso-images. There are at least two such different iso-images, each of them contains firmware updates for quite a few different Lenovo laptops. They are different by the method they use to boot. One uses harddrive emulation bootimage, and the other uses floppy emulation bootimage.

If you have an optical drive, just burn the iso-image and update the firmare. In case if you don't have an optical disk to boot it from, see BIOS update without optical disk for harddisk emulation bootimage, and BIOS Upgrade/X_Series for floppy emulation bootimage.

Models with harddisk emulation bootimage

R60, R60e, R61, R61i, R400, R500, SL300, SL400, SL500, T60, T60p, T61, T61p, T400, T500, W500, W700, X60, X60s, X60 Tablet, X61, X61s, X61 Tablet, X200, Z60m, Z60t, Z61e, Z61m, Z61p, Z61t

Models with floppy emulation bootimage

A20m, A20p, A21e, A21m, A21p, A22e, A22m, A22p, i Series 1800, A30, A30p, A31, A31p, G40, G41, R40, R40e, R50, R50p, R51, R52, T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43, T43p, X20, X21, X22, X23, X30, X31, X32, X40, X41, X41 Tablet