User`s manual

DIGITAL-LOGIC AG MSLB-P5 Manual V0.3
PRELIMINARY 55
4.7.3 EEPROM saved CMOS setup
The EEPROM has different functions, as listed below:
• Backup of the CMOS-Setup values.
• Storing system informations like: version, production date, customisation of the board, CPU type.
• Storing user/application values.
The EEPROM will be updated automatically after exiting the BIOS setup menu. The system will oper-
ate also without any CMOS battery. While booting up, the CMOS is automatically updated with the
EEPROM values.
Press the Esc-key while powering on the system before the video shows the BIOS message and the
CMOS will not be updated.
This would be helpful, if wrong parameters are stored in the EEPROM and the setup of the BIOS does
not start.
If the system hangs or a problem appears, the following steps must be performed:
1. Reset the CMOS-Setup (use the jumper to reset or disconnect the battery for at least 10 minutes).
2. Press Esc until the system starts up.
3. Enter the BIOS Setup: a) load DEFAULT values
b) enter the settings for the environment
c) exit the setup
4. Restart the system.
• The user may access the EEPROM through the INT15 special functions. Refer to the chapter SFI
functions.
• The system information are read onyl information. To read, use the SFI functions.
4.7.4 BIOS Download Function
The BIOS is stored into a flash device and may be updated with a new version onbaord. To do this ,
you need an BIOS Updatedisk including the newest BIOS version.
1. Insert the BIOS Update disk into floppy A:, the BIOS-image is the AMIBOOT.ROM file.
2. Restart the system.
3. Press immediatly CONTROL + HOME before the BIOS message appears on the screen
4. The BIOS will be read from the disk and stored into the flashdevice.
5. Restart the system again and check the BIOS version.