Abit AN52S User Manual page 37

Onboard FDD Controller
This option enables or disables the floppy disk controller.
(For AN52S only)
Onboard Serial Port
This item determines which I/O addresses the onboard Serial Port controller will access.
Onboard LAN Controller
This option enables or disables the LAN controller.
- Onboard LAN Boot ROM
This item allows you to use the boot ROM (instead of a disk drive) to boot-up the system and
access the local area network directly.
AN52S/AN52 2-13