NIC-2500 Network Card Settings and Configuration

NIC Type	Token Ring
Transfer Rate	4/16Mbps
Data Bus	16-bit ISA
Topology	Token Ring
Wiring Type	Unshielded twisted pair
Boot ROM	Available (in firmware)

BOOT ROM ADDRESS
Address		JP1A	JP1B	JP1C	JP1D	JP1E	JP1F
	C0000-C1FFFh	Closed	Open	Open	Open	Open	Open
	C2000-C3FFFh	Closed	Open	Open	Open	Open	Closed
	C4000-C5FFFh	Closed	Open	Open	Open	Closed	Open
	C6000-C7FFFh	Closed	Open	Open	Open	Closed	Closed
	C8000-C9FFFh	Closed	Open	Open	Closed	Open	Open
	CA000-CBFFFh	Closed	Open	Open	Closed	Open	Closed
»	CC000-CDFFFh	Closed	Open	Open	Closed	Closed	Open
	CE000-CFFFFh	Closed	Open	Open	Closed	Closed	Closed
	D0000-D1FFFh	Closed	Open	Closed	Open	Open	Open
»	DC000-DDFFFh	Closed	Open	Closed	Closed	Closed	Open
Note:CC000h or DC000h are the recommended default settings.

INTERRUPT REQUEST
IRQ		JP2A	JP2B
»	2/9	Open	Open
	3	Open	Closed
	6	Closed	Open
	7	Closed	Closed

SHARED RAM CONFIGURATION
Size		JP2C	JP2D
	8KB	Open	Open
»	16KB	Open	Closed
Note:This setting configures how much system memory the card will use.

NETWORK SPEED
Speed	JP2E
4Mbps	Open
16Mbps	Closed
Note:All cards on a segment must have this option set the same.

I/O BASE ADDRESS
Address		JP2F
»	A20h	Open
	A24h	Closed