A Specifications and Cabling Requirements523C905B NICs SpecificationsStandards Conformance IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3x Full Duplex auto-negotiation and flow control NWay 10/100 auto-negotiation IEEE 802.1p/Q IEEE 802.3x RMON-1/RMON-2 Microsoft PC99 Microsoft PC2001 PCI 2.2 DMI 2.0s ACPI ASF specification Wired for Management (WfM) 1.1a, 2.0, including: PXE 2.0 and BIS SMBus 2.2 Pre-OS boot protocol support (PXE, BootP/DHCP, NCP, RPL)HardwareBus interface PCI Local Bus Specification, Revision 2.132-bit busPCI master Supports bus master scatter-gather DMAs.Dimensions -TX, -TX-M, -TX-NM:Height: 3.57 in (8.57 cm)Length: 4.75 in (12.07 cm)-COMBO:Height: 3.950 in (10.033 cm)Length: 6.874 in (17.459 cm)-FX:Height: 3.75 in (9.53cm)Length: 4.75 in (12.07cm)Power requirement +5 V ±5% @ 650 mA maximum(continued)