American Megatrends Atlas PCI-II User Manual page 82

Programming the Flash ROM,
S727P.ROM
Sequence of Operation The sequence of operation and expected
Step
1 Look for floppy
disk.
2 Look for
S727P.ROM on the
floppy disk.
3 Read the floppy
disk.
4 Check for BIOS
file size.
5 Check for Flash
EPROM.
6 Erase the Flash
EPROM.
7 Program the Flash
EPROM.
8 Continue
programming the
Flash EPROM.
9 AMIFlash does a
reset.
76 Atlas PCI-II Motherboard User's Guide
S727P.ROM resides on a floppy disk and contains
the updated main BIOS code. American Megatrends
will provide this file when the AMIBIOS for the
Atlas PCI-II ISA motherboard must be updated.
S727P.ROM must be present in the root directory of
the floppy disk before the onboard Flash EPROM
can be reprogrammed. The file that has the main
BIOS code must be named S727P.ROM.
behavior of the boot block BIOS code is:
The system beeps one time before the
BIOS attempts to read from floppy drive
A:.
S727P.ROM must be in the root directory
of the floppy disk in drive A:. There is no
beep if successful.
The floppy disk is read. There is no beep
if this step is successful.
The BIOS file size is checked. There is no
beep if this step is successful.
The BIOS looks for an Intel i28F001BX-T
Flash EPROM. It does not beep if this
step is successful.
Two beeps sound when the BIOS begins
erasing the Flash EPROM.
Three beeps sound when the AMIFlash
Code begins reprogramming the Flash
EPROM.
Four beeps sound when reprogramming
has been successfully completed.
A CPU reset is generated to reboot the
computer.
Continued
Expected behavior