User`s guide

MegaRUM II PCI Motherboard User’s Guide

Programming the Flash ROM, Continued

Bootblock Actions When you reprogram from system boot, the bootblock

code:

Step Action

1 Reads S774P.ROM from the root directory of the floppy disk in drive

A:.

2 Erases the Flash EPROM.

3 Programs the Flash EPROM with the data read from the floppy disk in

drive A:.

4 Generates a CPU reset, rebooting the computer.

The bootblock part of the Flash EPROM is not

programmed. Should you inadvertently open the disk

drive door or turn power off to the computer while

programming the Flash EPROM, the bootblock will be

unaffected. Simply turn power back on and begin the

Flash ROM programming process again.

S774P.ROM S774P.ROM resides on a floppy disk and contains the

updated main BIOS code. American Megatrends will

provide this file when the AMIBIOS for the MegaRUM II

PCI ISA motherboard must be updated.

S774P.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 S774P.ROM.

Cont’d