3 rom-bios sockets, 1 standard bios rom, 4 bios cmos setup – Kontron MSM800SEL User Manual
Page 82: Rom-bios sockets, Standard bios rom, Bios cmos setup
MSM800SEV/SEL
/ BIOS
www.kontron.com
80
Attention!
Never update a BIOS with a USB memory stick!
The system will crash during the download!
Only use a USB or a standard floppy.
Also, if you have two IDE devices attached to the board (e.g., HDD and CD-ROM), disconnect the CD-ROM before
downloading the BIOS.
9.3 ROM-BIOS Sockets
An EPROM socket with 8bit wide data access normally contains the board's AT compatible ROM-BIOS. The socket takes
a 29F020 EPROM (or equivalent) device. The board's wait-state control logic automatically inserts four memory wait
states in all CPU accesses to this socket. The ROM-BIOS sockets occupy the memory area from C0000H through FFFFFh;
however, the board's ASIC logic reserves the entire area from C0000h through FFFFFh for onboard devices, so that this
area is already usable for ROM-DOS and BIOS expansion modules. Consult the appropriate address map for the
MICROSPACE PC-Product ROM-BIOS sockets.
9.3.1 Standard BIOS ROM
Device
FWH
E0000 - FFFFFh
Core BIOS 128k
C0000 - C7FFFh
VGA BIOS 32k
Map
CC000 - CFFFFh
FREE
9.4 BIOS CMOS Setup
If wrong setups are memorized in the CMOS-RAM, the default values will be loaded after resetting the RTC/CMOS-RAM
by de-soldering the battery.
If the battery is down, it is always possible to start the system with the default values from the BIOS.
Note:
For the MSM800BEV/XEV/XEL: Should the product have an inaccurate BIOS setup and won't boot up,
proceed as follows. (The installed BIOS must be V1.20 or newer.)
1. Set J7
2. Turn the power on
3. Press F1 to enter the BIOS setup
4. Select L to load the BIOS default settings
5. Remove J7
6. Select X to save and exit the BIOS setup