3Com 3CR990-TX-95, 3CR990-TX-97, 3CR990SVR97, 3CR990SVR95 Specifications, 3CR990 NIC Specifications

B	SPECIFICATIONS AND
	CABLING REQUIREMENTS

This appendix lists the specifications, standards conformance, cable requirements, and connector pin assignments for the EtherLink 10/100 PCI NIC.

3CR990 NIC Specifications

The following table provides environmental, interface, and standards information for the EtherLink 10/100 PCI NIC with 3XP processor (3CR990 family).

Hardware

Memory	128 KB external RAM
Bus interface	PCI Local Bus Specification, Revision 2.2
	32-bit bus
PCI master	Supports bus master scatter-gather DMAs.
Dimensions	Length: 13.31 cm (5.24 in)
	Height: 8.51 cm (3.35 in)
Power requirement	+5 V ±5% operating 1.26A maximum for normal
	operation (375 mA for low power mode)

Network Interface

10 Mbps Ethernet	Ethernet IEEE 802.3 industry standard for a 10 Mbps
10BASE-T	baseband CSMA/CD local area network
100 Mbps Ethernet	Ethernet IEEE 802.3u industry standard for a 100 Mbps
100BASE-TX	baseband CSMA/CD local area network

Environment

Operating	32˚ to 158˚ F (0˚ to 70˚ C)
temperature
Storage temperature	–22˚ to 194˚ F (–30˚ to 90˚ C)
Operating humidity	10 to 90% noncondensing
Storage humidity	10 to 90% noncondensing
Altitude	–984 ft to 9,840 ft (–300 to 3,000 m)