| 
  | data bits of low byte of  | 
  | 
  | 
  | APIC | |
  | 
  | memory bus  | 
  | 
  | 
  | 
  | |
2Fh  | 
  | Enable cache before  | 
  | 68h  | 
  | Enable external and CPU  | |
  | 
  | system BIOS shadow  | 
  | 
  | 
  | caches  | |
30h  | 
  | . RAM failure on  | 
  | 69h  | 
  | Setup System Management  | |
  | 
  | data bits of high byte of  | 
  | 
  | 
  | Mode (SMM) area  | |
  | 
  | memory bus  | 
  | 
  | 
  | 
  | |
Code | 
  | Beeps / Description  | 
  | Code  | 
  | Beeps / Description  | |
6Ah  | 
  | Display external L2 cache  | 
  | A2h  | 
  | Check key lock  | |
  | 
  | size  | 
  | 
  | 
  | 
  | |
6Bh  | 
  | Load custom defaults  | 
  | A4h  | 
  | Initialize Typematic rate  | |
  | 
  | (optional)  | 
  | 
  | 
  | 
  | |
6Ch  | 
  | Display  | 
  | A8h  | 
  | Erase F2 prompt  | |
  | 
  | message | 
  | 
  | 
  | 
  | |
6Eh  | Display possible high  | 
  | AAh  | 
  | Scan for F2 key stroke  | ||
  | 
  | address for UMB recovery  | 
  | 
  | 
  | 
  | |
70h  | 
  | Display error messages  | 
  | ACh  | 
  | Enter SETUP  | |
72h  | 
  | Check for configuration  | 
  | AEh  | 
  | Clear Boot flag  | |
  | 
  | errors  | 
  | 
  | 
  | 
  | |
76h  | 
  | Check for keyboard errors  | 
  | B0h  | 
  | Check for errors  | |
7Ch  | 
  | Set up hardware interrupt  | 
  | B2h  | 
  | POST done - prepare to  | |
  | 
  | vectors  | 
  | 
  | 
  | boot operating system  | |
7Eh  | 
  | Initialize coprocessor if  | 
  | B4h  | 
  | One short beep before boot  | |
  | 
  | present  | 
  | 
  | 
  | 
  | |
80h  | 
  | Disable onboard Super I/O  | 
  | B5h  | 
  | Terminate QuietBoot  | |
  | 
  | ports and IRQs  | 
  | 
  | 
  | (optional)  | |
81h  | 
  | Late POST device  | 
  | B6h  | 
  | Check password (optional)  | |
  | 
  | initialization  | 
  | 
  | 
  | 
  | |
82h  | 
  | Detect and install external  | 
  | B9h  | 
  | Prepare Boot  | |
  | 
  | RS232 ports  | 
  | 
  | 
  | 
  | |
83h  | 
  | Configure   | 
  | BAh  | 
  | Initialize DMI parameters  | |
  | 
  | controllers  | 
  | 
  | 
  | 
  | |
84h  | 
  | Detect and install external  | 
  | BBh  | 
  | Initialize PnP Option ROMs  | |
  | 
  | parallel ports  | 
  | 
  | 
  | 
  | |
85h  | 
  | Initialize   | 
  | BCh  | 
  | Clear parity checkers  | |
  | 
  | PnP ISA devices  | 
  | 
  | 
  | 
  | |
86h.  | 
  | 
  | BDh  | 
  | Display MultiBoot menu  | ||
  | 
  | ports.  | 
  | 
  | 
  | 
  | |
87h  | 
  | Configure Motherboard  | 
  | BEh  | 
  | Clear screen (optional)  | |
  | 
  | Devices  | 
  | 
  | 
  | 
  | |
88h  | 
  | Initialize BIOS Data Area  | 
  | BFh  | 
  | Check virus and backup  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | reminders  | 
89h  | 
  | Enable   | 
  | C0h  | 
  | Try to boot with INT 19  | |
  | 
  | Interrupts (NMIs)  | 
  | 
  | 
  | 
  | |
8Ah  | 
  | Initialize Extended BIOS  | 
  | C1h  | 
  | Initialize POST Error  | |
  | 
  | Data Area  | 
  | 
  | 
  | Manager (PEM)  | |
8Bh  | 
  | Test and initialize PS/2  | 
  | C2h  | 
  | Initialize error logging  | |
  | 
  | mouse  | 
  | 
  | 
  | 
  | |
8Ch  | 
  | Initialize floppy controller  | 
  | C3h  | 
  | Initialize error display  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | function  | 
8Fh  | 
  | Determine number of ATA  | 
  | C4h  | 
  | Initialize system error  | |
  | 
  | drives (optional)  | 
  | 
  | 
  | handler  | |
90h  | 
  | Initialize   | 
  | C5h  | 
  | PnPnd dual CMOS  | |
  | 
  | controllers  | 
  | 
  | 
  | (optional)  | |
91h  | 
  | Initialize   | 
  | C6h  | 
  | Initialize notebook docking  | |
  | 
  | controllers  | 
  | 
  | 
  | (optional)  | |
92h  | 
  | Jump to UserPatch2  | 
  | C7h  | 
  | Initialize notebook docking  | |
  | 
  | 
  | 
  | 67  | 
  | 
  | |
  | 
  | 
  | http://www.tyan.com  | 
  | |||