Windows 10/11 (if forced onto unsupported hardware) or Linux distributions using UEFI might fail to boot. A newer BIOS can improve UEFI boot compatibility with GPT drives.
Samsung does not host BIOS downloads on Samsung.com for old motherboards anymore. However, you can still find official updates:
Once inside the Samsung B75s1 BIOS utility, you will navigate using your keyboard arrow keys. Here are the most critical settings you may need to adjust: 1. Boot Mode: UEFI vs. CSM (Legacy)
The B75 chipset was designed primarily for business and budget consumer desktops. Before changing your BIOS settings, it is important to know what the underlying hardware actually supports: Samsung B75s1 Bios
The Samsung B75s1 BIOS is the core control center of your LGA 1155 build. Configuring it correctly ensures your storage components run at optimal speeds, allows older hardware to interface smoothly with modern operating systems, and extends the overall lifecycle of your desktop setup. Treat BIOS flashing with caution, keep your CMOS battery fresh, and your system will continue running reliably.
Intel 2nd Generation (Sandy Bridge) and 3rd Generation (Ivy Bridge) Core i3, i5, i7, Pentium, and Celeron processors.
| Tab | Function | |------|------------| | | System time/date, BIOS version, CPU, RAM info | | Advanced | USB config, SATA mode, CPU features, virtualization | | Security | Set supervisor/user password, HDD password, secure boot | | Boot | Boot order, fast boot, boot devices | | Exit | Save & exit, discard changes, load defaults | Windows 10/11 (if forced onto unsupported hardware) or
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Older BIOS versions on the B75s1 struggle with modern UEFI-only graphics cards. You must plug your monitor back into the onboard motherboard video port, enter the BIOS, and change the OS Mode Selection from UEFI to UEFI and CSM or clear Secure Boot . If the problem persists, a BIOS update to the latest available OEM revision is required to update the board's PCI-e handshake firmware. Issue 3: Forgotten BIOS Password
Unplug the power cord. Remove the silver CR2032 coin-cell battery from the motherboard. Wait 5 minutes, reinsert the battery, plug the power back in, and boot. However, you can still find official updates: Once
For older operating systems like Windows 7 or MBR partitions. UEFI and CSM OS: Dual compatibility mode. 3. Integrated Graphics Settings
Restart the PC and press F2 (or Del – see Section 5) during POST. The BIOS main screen shows the version number in the top-right corner.