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  1. Below you can download the latest UMC bios upgrade for your motherboard after signup with the eSupport BIOSAgentPlus service.
  2. You can identify your motherboard using the BIOS ID which is displayed on most computers at bootup. Per BIOS vendor (AMI, Award, Phoenix, ...) we have a seperate tab of motherboard BIOS Identifications.
  3. In the Website Links section we provide official and unofficial links to find free UMC BIOS upgrades
Check For the Latest BIOS Updates

BIOSAgentPlus safely checks to see if a newer BIOS is available for your computer and provides instant access to your detailed BIOS and driver report.

Click on the Download arrow to download the requested UMC bios update after signup with the eSupport BIOSAgentPlus service.

UMC BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
UMC UMC 82C891/892/886 2A5X7UZ1 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZN Download BIOS
UMC UMC 82C891/892/886 2A5X7UZH Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ2 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ5 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ8 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZH Download BIOS
UMC UMC 82C891/892/886 2A5X7UZ3 Download BIOS
UMC UMC UM8886BF/UM8891BF/UM8 2A5X8UZA Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ1 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ7 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZC Download BIOS
UMC UMC 82C891/892/886 2A5X7UZ2 Download BIOS
UMC UMC UM8886BF/UM8891BF/UM8 2A5X8UZ9 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ0 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ3 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ6 Download BIOS
UMC UMC 8881E/8886B 2A4X5UZ9 Download BIOS
UMC United Microelectronics Corporation UMC 8881E/8886B 2A4X5UZ4 Download BIOS
UMC498-F UMC498-F AMIUMC49 AMIUMC498/95 Download BIOS
UMC498-F UMC498-F AMIUMC49 AMI BIOS ending with UMC49 Download BIOS

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