Acer Aspire 5749 Bios Exclusive Page

Using UEFI tool (for advanced users only):

Easier alternative: Use ru.efi (Runtime UEFI Editor) to change variables live – no BIOS modification needed. acer aspire 5749 bios exclusive

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How to check your version: Open Command Prompt in Windows: wmic bios get smbiosbiosversion Using UEFI tool (for advanced users only):

The 5749 supports both UEFI and Legacy BIOS boot modes, a critical feature during the Windows 7 to Windows 8 transition period. Easier alternative: Use ru

Here is the text breakdown regarding the "Acer Aspire 5749 BIOS Exclusive":

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The Acer Aspire 5749 often ships with the Intel Celeron B800 or B815. Due to Intel's chipset restrictions, the HM70 chipset locks the PCIe port to prevent using Core i3/i5 processors.

Exclusive Finding: You cannot simply drop an i5-3210M into this laptop. The BIOS will boot once, then lock the motherboard permanently (Error Code: 0x0000009F).