We have the same problem on PC router and Mikrotik v 5.22.
Very long time to open the console after the user's authorization to ssh, and to the command line is not reached.

Mikrotik version 5.7. Advise the network card, PCI-Express which normally run on this version.

Could be on the slower board the LAN card is connected to PCI bus and the faster - on PCI-e bus. On both motherboards are the same network cards are placed in the slot PCI 2.0 If you are running windows on the slower board - post a screenshot of Device Manager but viewed by Connection so we see to ...

Mikrotik version 5.7 installed on this hardware: Processor: Intel Core i5-2300 Motherboard: Asus P8H61 (Chipset Intel H61) Network card: Intel PRO 1000GT Desktop Adapter The system motherboard chipset is defined as "Unknown device", and the amount of traffic is limited to 200-210 Mbps. If ...

Will there be implemented in the new version of the chipset support Intel H61?