User's Manual
SBI-7427R-S3/T3 Blade Module User’s Manual
A-6
5Ch  Test RAM between 512 and 640 kB
60h  Test extended memory
62h  Test extended memory address lines
64h  Jump to UserPatch1
66h  Configure advanced cache registers
67h  Initialize Multi Processor APIC
68h  Enable external and CPU caches
69h  Setup System Management Mode (SMM) area
6Ah  Display external L2 cache size
6Bh  Load custom defaults (optional)
6Ch  Display shadow-area message
6Eh  Display possible high address for UMB recovery
70h Display error messages
72h  Check for configuration errors
76h  Check for keyboard errors
7Ch Set up hardware interrupt vectors
7Dh Initialize Intelligent System Monitoring
7Eh Initialize coprocessor if present
80h Disable onboard Super I/O ports and IRQs
81h Late POST device initialization
82h Detect and install external RS232 ports
83h Configure non-MCD IDE controllers
84h Detect and install external parallel ports
85h Initialize PC-compatible PnP ISA devices
86h Re-initialize onboard I/O ports.
87h Configure Motherboard Configurable Devices (optional)
88h  Initialize BIOS Data Area
89h  Enable Non-Maskable Interrupts (NMIs)
8Ah  Initialize Extended BIOS Data Area
8Bh  Test and initialize PS/2 mouse
8Ch  Initialize floppy controller
8Fh  Determine number of ATA drives (optional)
90h Initialize hard-disk controllers
91h  Initialize local-bus hard-disk controllers
92h Jump to UserPatch2
Table A-2. Terminal POST Errors (Continued)
Post Code Description










