Gigabyte GA-A75N-USB3 User Manual page 38

Halt On
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Allows you to determine whether the system will stop for an error during the POST.
All Errors Whenever the BIOS detects a non-fatal error the system boot will stop.

No Errors The system boot will not stop for any error.

All, But Keyboard The system boot will not stop for a keyboard error but stop for all other errors.

(Default)
Memory
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These fields are read-only and are determined by the BIOS POST.
Base Memory Also called conventional memory. Typically, 640 KB will be reserved for the

MS-DOS operating system.
Extended Memory The amount of extended memory.

BIOS Setup - 38 -