3Com 3CR990 manual Configuration, Provides the ability to boot a PC, 100BASE-TX 100 Mb/s

8

CONFIGURATION

Configuration Options Changing configuration settings can have a substantial effect on your network and your PC. Before you change these settings, contact your system administrator.

The following table shows configurable options, descriptions, default values, and available settings.

		Factory
Network		Default
Parameter	Description	Setting	Optional Settings
NetBoot ROM	Provides the ability to boot a PC	Disabled	■	Disabled
	over the network.		■	Enabled
Duplex	Specifies the type of	Auto Select	■	Half Duplex
	duplex mode.		■	Full Duplex
	(See the descriptions following
			■	Auto Select
	this table.)
Media Type	Determines the type of media	Auto Select	■	100BASE-TX (100 Mb/s)
	your network is using.		■	10BASE-T (10 Mb/s)
	To automatically determine the
			■	Auto Select
	media type, select Auto Select.
SMB Bus	(Future use)	Not used	Not used
Address
Remote	Provides the ability to power-up	Default	■	Disabled
Wakeup	a network PC remotely	Setting	■	Default Setting
		(Remote
		Wake-Up is	■	Custom Setting
		Enabled)
TCP/IP Keep	Maintains a TCP/IP	Disabled	■	Disabled
Alive	protocol connection		■	Default Setting
			■	Custom Setting
Workgroup	Maintains workgroup	Disabled	■	Disabled
Keep Alive	browsing capability		■	Default Setting
			■	Custom Setting

Definitions Full Duplex—sets the NIC to operate in full-duplex mode, which enables two-way traffic to occur. To use this setting, the hub or switch that you are connected to must support full-duplex. You must also set the Media Type manually to the appropriate setting for your network.

Half Duplex—sets the NIC to operate in half-duplex mode. To use this setting, you must also set the Media Type manually to the appropriate setting for your network.