RB500 BIOS upgrade

If there is a problem with booting RouterOS ("starting services ..."), try to upgrade the RouterBOARD firmware with this file:

http://www.routerboard.com/files/rb500-1.11.fwf

this can be done from the BIOS of RouterBOARD500 with Hyperterminal `send file` feature. More info in the RB manual:

http://www.routerboard.com/PDF/rb500ugL.pdf