XFX 650I - Manual (Page 47)

Configuring the BIOS
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Base Memory 640K
Extended Memory 1047552K
Total Memory 1048576K
All, But Diskette
The system boot does not stop for a diskette error but will stop for all other
errors.
All, But Disk/Key
The system boot does not stop for a keyboard or disk error, but will stop for
all other errors.
Memory
These settings are display-only values that are determined by the BIOS POST
(Power-On Self Test).
Base Memory
BIOS POST determines the
amount of base (or conventional) memory installed in the system.
Extended Memory
BIOS determines how much extended memory is present during the POST.
Total Memory
This value represents the total memory of the system.