BIOS Upgrade Downloads

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NOTE!
All Lenovo T, X and R laptops have several bugs in the BIOS that are being actively fixed by Lenovo. For these laptops, BIOS updates are not optional if you find anything to not be working properly, be it the brightness control, or suspend to RAM, or volume keys.
ATTENTION!
You must make sure that the BIOS ID you are trying to install matches what was installed in your ThinkPad by the factory. A few models like the A31 and R61 have different BIOSes, and will malfunction if you pick the wrong one and somehow manage to force it to install.
NOTE!
There is an IBM/Lenovo site called BIOS file matrix - ThinkPad which also has a table with links to BIOS downloads. Some downloadlinks appear to be broken.

You can check current BIOS and Embedded Controller versions using dmidecode command line tool. For example: 

  bash# dmidecode -s bios-version && dmidecode -t11
  1RETDRWW (3.23 )
  # dmidecode 2.9
  SMBIOS 2.33 present.
  Handle 0x0029, DMI type 11, 5 bytes
  OEM Strings
  String 1: IBM ThinkPad Embedded Controller -[1RHT71WW-3.04    ]-


The following table lists direct links to BIOS updates for most Thinkpad Models. Refer to BIOS Upgrade for instructions on how to perform a BIOS upgrade.

The FW model column is what actually identifies which sort of firmware (BIOS and Embedded Controller) should be installed in a ThinkPad. Machines with the same firmware model use the same BIOS and Embedded Controller firmware. It can also be found as the OEM table ID in the ACPI DSDT. It is formed by the characters "TP-", plus the first two characters from the BIOS/EC update part number.

Models FW Model Non-Diskette Diskette (or bootable CD)
BIOS EC BIOS EC
Windows Linux

200 Series

240 TP-IR 1.18
240X (none) 1.09
240Z TP-11 1.72

300 Series

365C, 365CD, 365CS, 365CSD, 365E, 365ED (none) 2.0.14
365X, 365XD (none) 1.10
380, 380D, 380E, 380ED, 385D, 385ED TP-I1 1.14
380XD, 385XD TP-IF 1.19
380Z TP-IG 1.08
390, i Series 1720, i Series 1721 (none) 5.62
390E (none) 1.55
390X, i1700 TP-IS 0.55

500 Series

560 (none) 1.20
560E TP-HR 1.13
560X TP-I8 1.15
560Z TP-IE 1.07
570 TP-IM 1.16
570E TP-IU 1.07 1.07

600 Series

600 TP-IB 1.22
600E (2645 selected models, 2646) TP-IN 1.16
600E (2645: 55x, 56x, 57x, 58x, A5x, A6x, Bxx [except for BAU], JJ1, JJ2, RRA) TP-IH 1.15
600X TP-IT 1.11 1.11

700 Series

750, 750CS, 755C, 755CS, 750P (none) 1.43
755CE, 755CSE, 755CD, 755CX, 755CV, 755CDV (none) 1.44
760C, 760CD, 760L, 760LD TP-HV 1.30
760E (XGA), 760ED (XGA), 760XD, 765D, 765L TP-HX 2.13
760E (SVGA), 760ED (SVGA), 760EL, 760ELD, 760XL TP-HZ, TP-HY 2.13
770, 770E, 770ED TP-ID 1.34
770X TP-II 1.10
770Z TP-IO 1.05

A Series

A20m TP-IW 1.13 1.13
A20p TP-IV 1.11 1.11
A21e (2655) TP-10 1.07 1.07
A21e (2628) TP-KU 1.13 1.13
A21m TP-KX 1.09 1.09
A21p TP-KY 1.11 1.11
A22e Celeron TP-10 1.07 1.07
A22e Pentium TP-1B 1.05 1.05
A22m TP-KX 1.09 1.09
A22m (2628-Sxx) TP-13 1.05 1.05
A22p TP-KY 1.11 1.11
A30, A30p TP-1E 1.18 1.08 1.18 1.08
A31, A31p (Bios 1G*) TP-1G 1.12 1.05 1.12 1.05 1.05
A31, A31p (Bios 1N*) TP-1N 1.10 1.05 1.10 1.02 1.05

G Series

G40 TP-1T 1.21 1.21
G41 TP-1X 1.14 1.14

R Series

R30 TP-1C 1.38 1.38
R31 TP-1F 3.11 3.11
R32 TP-1M 2.16 2.16
R40 (2681, 2682, 2683, 2896, 2898, 2899) TP-1O 1.27 1.14 1.27 1.14
R40 (2722, 2723, 2724, 2897) TP-1P 1.33 1.14 1.33 1.14
R40e TP-1S 1.38 1.04 1.38 1.04
R50, R50p TP-1R 3.23 3.04 3.23 3.04
R50e TP-1W 2.10 1.04 2.10 1.04
R51 (1829, 1830, 1831, 1836) TP-1R 3.23 3.04 3.23 3.04
R51 (2883, 2887, 2888, 2889, 2894, 2895) TP-1V 1.29 1.04 1.29 1.04
R51e TP-78 1.59 1.01 1.59 1.01
R52 (1846, 1847, 1848, 1849, 1850, 1870) TP-76 1.29 1.06 1.29 1.06
R52 (1858, 1859, 1860, 1861, 1862, 1863) TP-70 1.29 1.05 1.29 1.05
R60, R60i (94xx) TP-7C 2.22 1.10 2.22 (CD) 1.10
R60e, R60i (06xx) TP-7E 2.20 1.07 2.20 (CD) 1.07
R61 (8942, 8943, 8944, 8945, 8947, 8948, 8949) TP-7Q 1.24 1.00 1.24 (CD) 1.00
R61, R61i (BIOS 7K*) TP-7K 2.29 1.08 2.29 (CD) 1.08
R61, R61i (BIOS 7L*) TP-7L 2.27 TP-7K 1.08 2.27 (CD) TP-7K 1.08
R61e, R61i (BIOS 7O*) TP-7O 2.24 TP-7K 1.08 2.24 (CD) TP-7K 1.08
R61e (7650), R61i (7650) TP-7P 2.23 TP-7K 1.08 2.23 (CD) TP-7K 1.08
R400 - IEEE1394 equipped models TP-7U 3.18 1.06 3.18 (CD) 1.06
R400 - non-IEEE1394 models TP-7V 3.16 1.06 3.16 (CD) 1.06
R500 TP-7Y 3.09 1.06 3.16 (CD) 1.06

T Series

T20 TP-IY 1.22 1.22
T21 TP-KZ 1.16 1.16
T22 TP-16 1.12 1.12
T23 TP-1A 1.20 1.06a 1.20 1.06a
T30 TP-1I 2.10 1.07 2.10 2.02 1.07
T40, T40p, T41, T41p, T42, T42p TP-1R 3.23 3.04 3.23 3.04
T43 (1871, 1872, 1873, 1874, 1875, 1876) TP-70 1.29 1.05 1.29 1.05
T43 (2668, 2669, 2678, 2679, 2686, 2687), T43p TP-1Y 1.29 1.06 1.29 1.06
T60, T60p TP-79 2.26 1.07 2.26 (CD) 1.07
T60, T60p wide-screen TP-7I 1.18 TP-79 1.07 1.18 (CD) TP-79 1.07
T61, T61p TP-7L/7K 2.27 1.08 2.27 (CD) 1.08
T400 - IEEE1394 equipped models TP-7U 3.18 1.06 3.18 (CD) 1.06
T400 - non-IEEE1394 models TP-7V 3.16 1.06 3.16 (CD) 1.06
T400s TP-6H 1.14 1.02 1.14 (CD) 1.02
T410, T410i TP-6I 1.25 1.10 1.25 (CD) 1.10
T410s, T410si TP-6U 1.16 1.10 1.16 (CD) 1.10
T500 TP-6F 3.14 1.06 3.14 (CD) 1.06
T500 TP-7V 3.16 1.06 3.16 (CD) 1.06
T510, T510i TP-6M 1.24 1.13 1.24 (CD) 1.13

W Series

W500 TP-6F/7V 3.14/3.16 1.06 3.14/3.16 (CD) 1.06
W510 TP-6N 1.24 1.13 1.24 (CD) 1.13

X Series

X20, X21 TP-IZ 2.25 1.36 2.25 1.36
X22, X23, X24 TP-1D 1.32 1.30 1.32 1.30
X30 TP-1K 1.09 1.06 1.09 1.06
X31, X32 TP-1Q 3.02 1.08 3.02 1.08
X40 TP-1U 2.08 1.62 2.08 1.62
X41 TP-74 2.09 1.02 2.09 1.02
X41 Tablet TP-75 2.06 1.02 2.06 1.02
X60, X60s TP-7B 2.18 1.13 2.18 (CD) 1.13
X60 Tablet TP-7J 1.15 1.04 1.15 (CD) 1.04
X61, X61s TP-7N 2.21 1.03 2.21 (CD) 1.03
X61 Tablet TP-7S 1.24 1.02 1.24 (CD) 1.02
X200, X200s TP-6D/7X 3.13 1.04 3.13 (CD) 1.04
X200 Tablet TP-7W 3.13 1.06 3.12 (CD) 1.06
X201, X201i, X201s, X201 Tablet TP-6Q 1.15 1.09 1.15 (CD) 1.09
X300 TP-7T 1.10 1.01 1.10 (CD) 1.01
X301 TP-6E 3.10 1.05 3.10 (CD) 1.05

Z Series

Z60m, Z60t TP-77 1.24 1.18 1.24 1.18
Z61e, Z61m, Z61p, Z61t TP-7F 2.27 1.08 2.27 (CD) 1.08

Other

TransNote TP-KV 1.02 1.02
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