It's Patch Tuesday again, so Microsoft is back with another round of Surface firmware updates. As with last month, we're getting firmware updates for Surface 2, Surface Pro and Surface Pro 2, but not the original Surface RT.

Here's what's new this month.

Surface 2

The following updates in "System Firmware Update - 3/11/2014" apply to Surface 2.

  • Surface 2 UEFI (v4.18.500) provides support for Surface Power Cover.
  • System Aggregator Firmware (v1.0.48500.0) provides support for Surface Power Cover.
  • Surface Platform Power Driver (v2.0.524.0) provides support for Surface Power Cover.
  • Surface Power Cover Firmware Update (v2.0.523.0) provides support for Surface Power Cover.
  • Surface Touch Cover 2 Firmware Update Device (v2.0.517.0) update improves multiple finger support on the touchpad.
  • Surface Type Cover 2 Firmware Update Device (v2.0.517.0) update improves multiple finger support on the touchpad.
  • Surface Home Button Driver (v2.0.281.0) resolves behavior where Surface would sometimes not wake from sleep.
  • Surface System Software Device (v5.0.498.0) includes stability and experience improvements.

Surface Pro with Windows 8.0

The following updates in "System Hardware Update - 3/11/2014" apply to Surface Pro with Windows 8.0:

  • Surface Type Cover 2 Firmware Update Device (v1.0.317.0) update improves multiple finger support on the touchpad.
  • Surface Touch Cover 2 Firmware Update Device (v1.0.317.0) update improves multiple finger support on the touchpad.
  • Surface Power Cover Firmware Update (v1.0.323.0) provides support for Surface Power Cover.

Surface Pro with Windows 8.1

The following updates in "System Hardware Update - 3/11/2014" apply to Surface Pro with Windows 8.1:

  • Marvell AVASTAR 350N Wireless Network Controller (v14.69.24052.168) resolves wireless network connectivity issues.
  • Marvell AVASTAR Wireless Composite Device (v14.69.24052.168) improves Miracast support.
  • Marvell AVASTAR Bluetooth® Radio Adapter (v14.69.24052.168) updated as part of a driver package that includes the Marvell Wireless Network Controller and Marvell Wireless Composite Device. There are no Bluetooth updates in this version of the driver.
  • Surface Type Cover 2 Firmware Update Device (v1.0.317.0) update improves multiple finger support on the touchpad.
  • Surface Touch Cover 2 Firmware Update Device (v1.0.317.0) update improves multiple finger support on the touchpad.
  • Surface Power Cover Firmware Update (v1.0.323.0) provides support for Surface Power Cover.

Surface Pro 2

The following updates in "System Hardware Update - 3/11/2014" apply to Surface Pro 2:

  • Surface Pro UEFI (v2.04.0450) improves experience when using BitLocker so that a Surface Cover can provide PIN input.
  • Surface Touch Cover 2 Firmware Update Device (v2.0.262.0) update improves multiple finger support on the touchpad.
  • Surface Type Cover 2 Firmware Update Device (v2.0.262.0) update improves multiple finger support on the touchpad.
  • Surface Power Cover Firmware Update Device (v2.0.268.0) provides support for Surface Power Cover.
  • Surface Cover Telemetry (v2.0.229.0) improves stability and experience for Surface Covers.
  • Marvell AVASTAR 350N Wireless Network Controller (v14.69.24052.168) resolves wireless network connectivity issues.
  • Marvell AVASTAR Wireless Composite Device (v14.69.24052.168) improves Miracast support.
  • Marvell AVASTAR Bluetooth ®Radio Adapter (v14.69.24052.168) updated as part of a driver package that includes the Marvell Wireless Network Controller and Marvell Wireless Composite Device. There are no Bluetooth updates in this version of the driver.
  • Intel(R) Display Audio (v6.16.00.3135) improves Miracast support.
  • Intel(R) HD Graphics Family (v10.18.10.3431) improves Miracast support and enables daisy chaining of monitors using DisplayPort 1.2.
  • Intel WiDi Audio Device (v4.5.44.0) improves Miracast support.