Computer Accessories User Manual

BIOS Post Codes BIOS
PENT/ATCA−717 99
Post Code Description
85 Initialize PC compatible PnP ISA devices
86 Reinitialize onboard I/O ports
87 Configure motherboard configurable devices (optional)
88 Initialize BIOS data area
89 Enable 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)
90 Initialize hard disk controllers
91 Initialize local bus hard disk controllers
92 Jump to UserPatch2
93 Build MPTABLE for multi processor boards
95 Install CD ROM for boot
96 Clear huge ES segment register
97 Fixup multi processor table
98 Search for option ROM’s
99 Check 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