Applies to
Lenovo 3000 V100 Notebooks.

Windows Vista *, Windows 98 *, Windows 98 SE*, Windows 7 *, Windows 2000 *, Windows Me*, Windows XP Professional*, Windows XP Home Edition*, Windows XP Tablet PC Edition*, Windows Server 2003 *, Windows XP Media Center Edition*, Windows 2000 Server*, Windows 2000 Advanced Server*

Intel Corporation.


2.87 MB

Driver Date & Version
11/27/2011 (ver. 9.​3.​0.​1019)


You might be wondering what is a SM Bus doing on your Lenovo 3000 V100 notebook? Well according to Intel, a SMBus is the System Management Bus used in personal computers and servers for low-speed, system management communications. A SMBus controller is integrated into most Intel chipsets.

If your Lenovo V100 SM bus driver is not installed, you will see this screen when you open the device manager, and it lists the SM Bus Controller as "Other Devices"

First we need to know what kind of SM Bus is Lenovo 3000 V100 notebook using. Fortunately we do not need to know that details because Intel has prepared a nice little utility to help us detect the SM Bus hardware version. The program is called "Intel Chipset Device Software (INF Update Utility). This utility supports almost all the most recent Intel chipset, which I believe include SM Bus used in Lenovo V100 as well:

  1. Intel 3 Series Chipsets
  2. Intel 3100 Chipset
  3. Intel 3210 Chipset (embedded)
  4. Intel 3400 Chipset
  5. Intel 4 Series Chipset
  6. Intel 5 Series Chipset
  7. Intel 5000P Chipset
  8. Intel 5000V Chipset
  9. Intel 5000X Chipset
  10. Intel 5100 Memory Controller Hub Chipset (embedded)
  11. Intel 5500 Chipset
  12. Intel 6 Series Chipset
  13. Intel 6300ESB I/O Controller Hub
  14. Intel 7500 Chipset
  15. Intel 82801HM I/O Controller Hub (ICH8M)
  16. Intel 845 Chipset Family
  17. Intel 848P Chipset
  18. Intel 852/855 Chipset Family
  19. Intel 865 Chipset Family
  20. Intel 875P Chipset
  21. Intel 910 Express Chipset Family
  22. Intel 915 Express Chipset Family
  23. Intel 915GV Express Chipset (embedded)
  24. Intel 925X Express Chipset Family
  25. Intel 945 Express Chipset Family
  26. Intel 945G Express Chipset (embedded)
  27. Intel 946 Express Chipset Family
  28. Intel 955X Express Chipset
  29. Intel 965 Express Chipset Family
  30. Intel 975X Express Chipset
  31. Intel C200 Series Chipset
  32. Intel Chipset Software Installation Utility
  33. Intel E7210 Chipset
  34. Intel E7221 Chipset
  35. Intel E7230 Chipset
  36. Intel E7320 Chipset
  37. Intel E7500 Chipset
  38. Intel E7520 Chipset
  39. Intel E7520 Chipset (embedded)
  40. Intel E7525 Chipset
  41. Intel E8500 Chipset
  42. Intel E8501 Chipset
  43. Intel NM10 Express Chipset
  44. Intel Q35 Express Chipset (embedded)
  45. Intel Q45 Express Chipset (embedded)
  46. Intel Q965 Express Chipset (embedded)
  47. Intel X58 Express Chipset
  48. Intel X79 Express Chipset
  49. Mobile Intel 4 Series Express Chipset Family
  50. Mobile Intel 5 Series Chipset
  51. Mobile Intel 6 Series Chipset
  52. Mobile Intel 910GML Express Chipset
  53. Mobile Intel 915 Express Chipset Family
  54. Mobile Intel 915GME Express Chipset
  55. Mobile Intel 945 Express Chipset Family
  56. Mobile Intel 945GME Express Chipset
  57. Mobile Intel 945GSE Express Chipset (embedded)
  58. Mobile Intel 965 Express Chipset Family
  59. Mobile Intel GM45 Express Chipset (embedded)
  60. Mobile Intel GME965 Express Chipset
  61. Mobile Intel HM55 Express Chipset
  62. Mobile Intel HM57 Express Chipset
  63. Mobile Intel QM57 Express Chipset
  64. Mobile Intel QS57 Express Chipset

To install and run the utility, download the INFINST_AUTOL.EXE file and run the InstallShield* installation program. You will be prompted to agree to the license agreement. Once the operating system reboots, follow the on-screen instructions and accept default settings to complete the setup.

Download Lenovo V100 SM Bus Controller Driver here.

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