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AMI- 2.2x | WinBIOS | PlusBIOS
AWARD- 4-5x PnP | 6.0
Phoenix- v4.0
Compaq- General
Dell- General
HP- Vectra | Vectra ES | Vectra QS/RS | Pavilion Series 3100 & 8000

AWARD Version 6.0

0 1 2 3 4 5 6 7 8 9 A B C D E F

CFh Test CMOS read/write functionality
C0h Early chipset initialization:   Disable shadow RAM, L2 cache (socket 7 and below), program basic chipset registers
C1h Detect memory:  Auto detection of DRAM size, type and ECC, auto detection of L2 cache (socket 7 and below)
C3h Expand compressed BIOS code to DRAM
C5h Call chipset hook to copy BIOS back to E000 & F000 shadow RAM
01h Expand the Xgroup codes located in physical memory address 1000:0
02h Reserved
03h Initial Superio_Early_Init switch
04h Reserved
05h Blank out screen; Clear CMOS error flag
06h Reserved
07h Clear 8042 interface; Initialize 8042 self test
08h Test special keyboard controller for Winbond 977 series Super I/O chips; Enable keyboard interface
09h Reserved
0Ah Disable PS/2 mouse interface (optional); Auto detect ports for keyboard & mouse followed by a port & interface swap (optional); Reset keyboard for Winbond 977 series Super I/O chips
0Bh Reserved
0Ch Reserved
0Dh Reserved
0Eh Test F000h segment shadow to see whether it is read/write capable or not.  If test fails, keep beeping the speaker
0Fh Reserved
10h Auto detect flash type to load appropriate flash read/write codes into the run time area in F000 for ESCD & DMI support
11h Reserved
12h Use walking 1's algorithm to check out interface in CMOS circuitry.  Also set real time clock power status and then check for overrride
13h Reserved
14h Program chipset default values into chipset.  Chipset default values are MODBINable by OEM customers
15h Reserved
16h Initial Early_Init_Onboard_Generator switch
17h Reserved
18h Detect CPU information including brand, SMI type (Cyrix or Intel) and CPU level (586 or 686)
19h Reserved
1Ah Reserved
1Bh Initial interrupts vector table.   If no special specified, all H/W interrupts are directed to SPURIOUS_INT_HDLR & S/W interrupts to SPURIOUS_soft_HDLR
1Ch Reserved
1Dh Initial EARLY_PM_INIT switch
1Eh Reserved
1Fh Load keyboard matrix (notebook platform)
20h Reserved
21h HPM initialization (notebook platform)
22h Reserved
23h Check validity of RTC value; Load CMOS settings into BIOS stack.  If CMOS checksum fails, use default value instead; Prepare BIOS resource map for PCI & PnP use.  If ESCD is valid, take into consideration of the ESCD's legacy information; Onboard clock generator initialization.  Disable respective clock resource to empty PCI & DIMM slots; Early PCI initialization - Enumerate PCI bus number, assign memory & I/O resource, search for a valid VGA device & VGA BIOS, and put it into C000:0
24h Reserved
25h Reserved
26h Reserved
27h Initialize INT 09 buffer
28h Reserved
29h Program CPU internal MTRR (P6 & PII) for 0-640K memory address; Initialize the APIC for Pentium class CPU; Program early chipset according to CMOS setup; Measure CPU speed; Invoke video BIOS
2Ah Reserved
2Bh Reserved
2Ch Reserved
2Dh Initialize multilanguage; Put information on screen display, including Award title, CPU type, CPU speed, etc...
2Eh Reserved
2Fh Reserved
30h Reserved
31h Reserved
32h Reserved
33h Reset keyboard except Winbond 977 series Super I/O chips
34h Reserved
35h Reserved
36h Reserved
37h Reserved
38h Reserved
39h Reserved
3Ah Reserved
3Bh Reserved
3Ch Test 8254
3Dh Reserved
3Eh Test 8259 interrupt mask bits for channel 1
3Fh Reserved
40h Test 9259 interrupt mask bits for channel 2
41h Reserved
42h Reserved
43h Test 8259 functionality
44h Reserved
45h Reserved
46h Reserved
47h Initialize EISA slot
48h Reserved
49h Calculate total memory by testing the last double last word of each 64K page; Program writes allocation for AMD K5 CPU
4Ah Reserved
4Bh Reserved
4Ch Reserved
4Dh Reserved
4Eh Program MTRR of M1 CPU; initialize L2 cache for P6 class CPU & program cacheable range; Initialize the APIC for P6 class CPU; On MP platform, adjust the cacheable range to smaller one in case the cacheable ranges between each CPU are not identical
4Fh reserved
50h Initialize USB
51h Reserved
52h Test all memory (clear all extended memory to 0)
53h Reserved
54h Reserved
55h Display number of processors (multi-processor platform)
56h Reserved
57h Display PnP logo; Early ISA PnP initialization and assign CSN to every ISA PnP device
58h Reserved
59h Initialize the combined Trend Anti-Virus code
5Ah Reserved
5Bh Show message for entering AWDFLASH.EXE from FDD (optional feature)
5Ch Reserved
5Dh Initialize Init_Onboard_Super_IO switch; Initialize Init_Onboard_AUDIO switch
5Eh Reserved
5Fh Reserved
60h Okay to enter Setup utility
61h Reserved
62h Reserved
63h Reserved
64h Reserved
65h Initialize PS/2 mouse
66h Reserved
67h Prepare memory size information for function call: INT 15h ax=E820h
68h Reserved
69h Turn on L2 cache
6Ah Reserved
6Bh Program chipset registers according to items described in Setup & Auto-Configuration table
6Ch Reserved
6Dh Assign resources to all ISA PnP devices; Auto assign ports to onboard COM ports if the corresponding item in Setup is set to "AUTO"
6Eh Reserved
6Fh Initialize floppy controller; Setup floppy related fields in 40:hardware
70h Reserved
71h Reserved
72h Reserved
73h Enter AWDFLASH.EXE if: AWDFLASH.EXE is found in floppy dive and ALT+F2 is pressed
74h Reserved
75h Detect and install all IDE devices: HDD, LS120, ZIP, CDROM...
76h Reserved
77h Detect serial ports and parallel ports
78h Reserved
79h Reserved
7Ah Detect and install coprocessor
7Bh Reserved
7Ch Reserved
7Dh Reserved
7Eh Reserved
7Fh Switch back to text mode if full screen logo is supported: if errors occur, report errors & wait for keys, if no errors occur or F1 key is pressed continue - Clear EPA or customization logo
80h Reserved
81h Reserved
82H Call chipset power management hook: Recover the text fond used by EPA logo (not for full screen logo), If password is set, ask for password
83H Save all data in stack back to CMOS
84h Initialize ISA PnP boot devices
85h Final USB initialization; NET PC: Build SYSID structure; Switch screen back to text mode; Set up ACPI table at top of memory; Invoke ISA adapter ROM's; Assign IRQ's to PCI devices; Initialize APM; Clear noise of IRQ's
86h Reserved
87h Reserved
88h Reserved
89h Reserved
90h Reserved
91h Reserved
92h Reserved
93h Read HDD boot sector information for Trend Anti-Virus code
94h Enable L2 cache; Program boot up speed; Chipset final initialization; Power management final initialization; Clear screen and display summary table; Program K^ write allocation; Program P6 class write combining
95h Program daylight saving; Update keyboard LED and typematic rate
96h Build MP table; Build and update ESCD; Set CMOS century to 20h or 19h; Load CMOS time into DOS timer tick; Build MSIRQ routing table
FFh Boot attempt (INT 19h)
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