Computer Accessories User Manual

BIOS BIOS Post Codes
98 PENT/ATCA−717
Post Code Description
52 Test keyboard
54 Set key click if enabled
55 Enable USB devices
58 Test for unexpected interrupts
59 Initialize POST display service
5A Display prompt "Press F2 to enter SETUP"
5B Disable CPU cache
5C Test RAM between 512KB and 640KB
60 Test extended memory
62 Test extended memory address lines
64 Jump to UserPatch1
66 Configure advanced cache registers
67 Initialize Multi Processor APIC
68 Enable external and CPU caches
69 Setup system management mode (SMM) area
6A Display external L2 cache size
6B Load custom defaults (optional)
6C Display shadow area message
6E Display possible high address for UMB recovery
70 Display error messages
72 Check for configuration errors
76 Check for keyboard errors
7C Set up hardware interrupt vectors
7D Initialize Intelligent System Monitoring
7E Initialize coprocessor if present
80 Disable onboard super I/O ports and IRQ’s
81 Late POST device initialization
82 Detect and install external RS232 ports
83 Configure non−MCD IDE controllers
84
Detect and install external parallel ports