3Com 3CR990 Specifications, NIC Specifications, Hardware, PCI Local Bus Specification, Revision

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SPECIFICATIONS

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

Hardware

Memory	128 K external RAM
Bus interface	PCI Local Bus Specification, Revision 2.2
	32-bit bus
PCI master	Supports bus master scatter-gather DMAs.
Dimensions	Length:5.24 in/13.31 cm
	Width: 3.35 in/8.51 cm
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 baseband
10BASE-T	CSMA/CD local area network
100 Mbps Ethernet	Ethernet IEEE 802.3u industry standard for a 100 MBPS baseband
100BASE-TX	CSMA/CD local area network
Environment
Operating	32˚ to 158˚F (0˚ to 70˚C)
temperature
Storage	–22˚ to 194˚F (–30˚ to 90˚C)
temperature
Operating humidity	10 to 90% noncondensing
Storage humidity	10 to 90% noncondensing
Altitude	–984 ft to 9,840 ft (–300 to 3,000 m)

Standards Conformance

IEEE 802.3x full-duplex, auto-negotiation, and flow control

IEEE 802.1p (General Attribute Registration protocol) for multicast addresses

Microsoft PC98

PCI 2.1 and 2.2

DMI 2.0 and ACPI