Allied Telesis Support Portal

AT-2500TX NIC Adapters (3.3V and 5V) PCI cards

Does the AT-2500TX Network Adapater (NIC) support 3.3 volt or 5 volt PCI slots?

The AT-2500TX cards are both 5v and 3.3v depending upon what chipset is installed on the card.

AT-2500TXv3 with a chipset labeled 8139c support 3.3 volts.

AT-2500TX with a chipset labeled 8139A or 8139B support 5 volts