Compaq 12XL325 Presario 1200 Series Models XL101-XL113, XL115, XL118-XL127 - M - Page 79

Code 81h 82h 83h 84h 85h 86h 87h 88h 89h 8Ah 8Bh 8Ch 81h 90h 91h 92h 93h 95h 96h 97h 98h 99h 9Ah 9Ch 9Dh 9Eh 9Fh A0h A2h A4h Presario 1200 Series Models: XL101-XL113, XL115, XL118-XL127 Beeps POST Routine Description Detect and install external RS232 ports Configure non-MCD IDE controllers Detect and install external parallel ports Initialize PC-compatible PnP ISA devices Reinitialize onboard I/O ports Configure Motherboard Configurable Devices (optional) Initialize BIOS Data Area Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area Test and initialize PS/2 mouse Initialize floppy controller Determine number of ATA drives (optional) Initialize hard disk controllers Initialize local-bus hard disk controllers Jump to UserPatch2 Build MPTABLE for multi-processor boards Install CD ROM or DVD Drive for boot Clear huge ES segment register Fixup Multi Processor table Search for option ROMs. One long, two short beeps on checksum failure Check for SMART drive (optional) Shadow option ROMs Set up Power Management Initialize security engine (optional) Enable hardware interrupts Determine number of ATA and SCSI drives Set time of day Check key lock Initialize Typematic rate Erase F2 prompt PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES TROUBLESHOOTING 37