This utility can use an optional settings file called PHLASH.INI. The Phoenix WinPhlash utility is a 32-bit/64 bit application which runs in a Windows environment to update, backup, and restore the system BIOS on a flash device. Any ideas on how I go about finding and updating my Bios? Motherboard MCP61PM-HM (Nettle2) Manufacturer: ECS. I have a Pavillion A6200N I am using Windows 7 I would like to update my Bios (Phoenix Technologies LTD 5.20 ) but not sure how. Per BIOS vendor (AMI, Award, Phoenix.) we have a seperate tab of motherboard BIOS Identifications. You can identify your motherboard using the BIOS ID which is displayed on most computers at bootup. Below you can download the latest Dell bios upgrade for your motherboard after signup with the eSupport BIOSAgentPlus service.