Overview of order no.'s and current releases of the BIOS:

Order Number	Software Release	Upgrade with ...	Use with Basis Image
6ES7677-1DD10-0BA0 6ES7677-1DD10-0BB0 6ES7677-1DD10-0BF0 6ES7677-1DD10-0BG0 6ES7677-1DD10-0BH0 6ES7677-1FD10-0FB0
	V3.2.1	Recommended for upgrading: Update V3.2.1 Description Please contact your local Siemens partner or our Customer Support to obtain this BIOS version. In conjunction with the BIOS update we furthermore recommend to check the version of the graphics driver. For more information please read entry ID 47380449	08/2010
	V3.1.0	For backup only: Update V3.1.0 Description Please contact your local Siemens partner or our Customer Support to obtain this BIOS version.	08/2010

Update V3.2.1

The following change has been implemented:

• Update of the Memory Reference Code

Update V3.1.0

The following changes have been implemented:

• PCI Optimization (necessary for WinAC 2010)
• Intel Microcode Update v54