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EVGA
73
A
ward POST Codes
Code Name Description
intervention
80 Reserved
81 Reserved
82 Security Check Ask password security.
83 Write CMOS Write all CMOS values back to RAM and clear screen.
84 Display PNP Display PNP devices
85 USB Final Init Final USB initialization
86 Reserved
87 Reserved
88 Reserved
89 Setup ACPI tables Setup ACPI tables
8A Reserved
8B Option ROM Detect Scan for Option ROMs
8C Reserved
8D Enable Parity Check Enable Parity Check
8E Reserved
8F IRQ12 Enable Enable IRQ12 if mouse present
90 Reserved
91 Reserved
92 Reserved
93 Boot Medium Read Detect and store boot partition head and cylinders
values in RAM
94 Final Init Final init for last micro details before boot
95 NumLock Set NumLock status according to Setup
96 Boot Attempt Set low stack Boot via INT 19h.
C0 Base CPU test Read/Write CPU registers
C1 Memory Presence Base memory detect
C2 Early Memory Board Initialization
C3 Extend Memory Turn on extended memory, cache initialization
C4 Special Display First display initialization
C5 Early Shadow Early shadow enable for fast boot