American Megatrends Super Voyager VLB-III, User Manual, Page: 121 / 138

Super Voyager VLB-III ISA Motherboard User's Guide
111
AMIFlash Checkpoint Codes
Code Description
02h Verify the AMIFlash BIOS checksum and
disable internal cache memory.
0Eh Make the CMOS RAM checksum bad and
initialize the CMOS RAM status
registers.
10h Disable DMA Controllers 1 and 2 and
Interrupt Controllers 1 and 2.
13h Initialize the chipset registers.
18h If the main BIOS is good, transfer
control to the main BIOS.
1Bh Initialize the system timer.
1Dh Begin the refresh test.
20h Begin the 16 KB base memory test.
23h Initialize the interrupt vectors.
28h Determine the CPU clock frequency.
30h Program the system speed-dependent
parameters according to the CPU clock
frequency.
40h Begin the memory test.
50h The memory test has completed.
65h Initialize the DMA controller.
67h Initialize the interrupt controller.
80h Initialize the I/O chipset, if any.
85h Enable the appropriate IRQs.
86h Enable the internal cache memory.
88h Initialize the floppy drives.
90h Indicate an error. The BIOS stops here
if there is an error.
A0h Reading the floppy disk in drive A: to
program the Flash EPROM.
E0h Configure the proper stack.
E3h Display a message to ask the user to
insert the AMIFlash Floppy Disk in drive
A:.
E4h Floppy read error.
E5h Begin the search for the S707P.ROM file
in the floppy root directory.
E6h The S707P.ROM file not present in the
floppy disk root directory.
E7h Begin reading the File Allocation Table.
E8h Begin reading S707P.ROM, sector by