I have solved the problem. It was MultiChannel Configuration under the Emulex PXESelect Utility (Ctrl+P on startup).

Thanks for tip. I'll try to find some more information.
Regards!

Thanks for reply. If I understood correctly, i should reboot this blade server and set up LAN adapters work mode in config utility. Am I right? What should I look for in settings?

Hello everyone. I've got a BX900 system with 6 server blades (PRIMERGY BX2580 M1), 2 management blades (model: A3C40096530) and 2 connection blades 0/40GbE DCB CB-1 (model: A3C40151690). I have problem with configuration of connection blades. I've added 7'th blade (PRIMERGY BX2560 M1) to chassis and...

Thanks for reply.
I'll make a topic on English forum.

Hello everyone.
I have problem with configuration of blade switches. I've added 7'th blade to chassis and i can only see two switches on blade's OS. How can I split physical switches to see logicals ports? On other blades there is 2 x 4 logical ports visible.

Thanks for help,
WM.