Kontron ETX-LX - Manual (Page 65)

13 Appendix F: Limitations
Kontron User's Guide ETX®-LX 65
13 Appendix F: Limitations
This list documents the limitations of Kontron‘s ETX®-LX board. It documents which BIOS- or hardware
revision will fix a certain limitation.
13.1 BIOS Limitations
External Super I/O does not work after S3
To disable LAN hardware Revision CE 3.2.0 or newer is necessary
13.2 Limitations of hardware revision CE B.3.x
(18027-0000-50-0 / 18027-0000-50-1)
PCI bus is only 3,3V and NOT 5V compatible
Note: Do not use PCI hardware which only supports 5V.
ISA Bus limitations
SMEMR, SMEMW do not support 16bit ISA
16bit DMA signals DRQ5…7 and DACK5…7 are not available
16bit ISA memory and I/O access is not supported
The signals IOCHCK#, MASTER#, NOWS#, REFSH# and SBHE# are not supported
13.3 Limitations of hardware revision CE 2.x.x/3.x.x/4.x.x
(180027-0000-50-4 / 18027-0000-50-5)
For Modules with CE 3.4.0 (CPU Rev. C3) or newer BIOS MLX8R116 or newer is necessary
PCI bus is only 3,3V and NOT 5V compatible
Note: Do not use PCI hardware which only supports 5V.
ISA Bus limitations
The signals IOCHCK#, MASTER#, NOWS#, REFSH# and SBHE# are not supported
16bit DMA signals DRQ5…7 and DACK5…7 are not available
16bit ISA memory access is not supported