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BIOS Post Codes | BIOS |
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Post Code Description
85Initialize PC compatible PnP ISA devices
86Reinitialize onboard I/O ports
87Configure motherboard configurable devices (optional)
88Initialize BIOS data area
89Enable non−maskable interrupts (NMI’s)
8A | Initialize extended BIOS data area |
8B | Test and initialize PS/2 mouse |
8C | Initialize floppy controller |
8F | Determine number of ATA drives (optional) |
90Initialize hard disk controllers
91Initialize local bus hard disk controllers
92Jump to UserPatch2
93Build MPTABLE for multi processor boards
95Install CD ROM for boot
96Clear huge ES segment register
97Fixup multi processor table
98Search for option ROM’s
99Check for SMART drive (optional)
9A | Shadow option ROM’s |
9C | Set up power management |
9D | Initialize security engine (optional) |
9E | Enable hardware interrupts |
9F | Determine number of ATA and SCSI drives |
A0 | Set time of day |
A2 | Check key lock |
A4 | Initialize typematic rate |
A8 | Erase F2 prompt |
AA | Scan for F2 key stroke |
AC | Enter setup |
AE | Clear boot flag |
PENT/ATCA−717 | 99 |