SQ-5550/5551 Network Card Settings and Configuration

NIC Type	Ethernet
Transfer Rate	10Mbps
Data Bus	16-bit ISA
Topology	Star
Wiring Type	Shielded/Unshielded twisted pair
Boot ROM	Available

DMA CHANNEL
Channel		JP1A	JP1B	JP1C	JP1D	JP2A	JP2B	JP2C	JP2D
	DMA3	Open	Open	Open	Closed	Open	Open	Open	Closed
»	DMA5	Open	Open	Closed	Open	Open	Open	Closed	Open
	DMA6	Open	Closed	Open	Open	Open	Closed	Open	Open
	DMA7	Closed	Open	Open	Open	Closed	Open	Open	Open

INTERRUPT REQUEST
IRQ		JP3A	JP3B	JP3C	JP3D	JP3E	JP3F
»	3	Closed	Open	Open	Open	Open	Open
	4	Open	Closed	Open	Open	Open	Open
	5	Open	Open	Closed	Open	Open	Open
	9	Open	Open	Open	Closed	Open	Open
	10	Open	Open	Open	Open	Closed	Open
	15	Open	Open	Open	Open	Open	Closed

DATA I/O MODE
Setting		JP4
»	8-bit mode	Pins 2 & 3 Closed
	16-bit mode	Pins 1 & 2 Closed
Note:Card must be installed in a 16-bit slot. This setting controls the size of the data bus used. Memory accesses always use 16-bit words.

BOOT ROM
Setting		JP5
»	Disabled	Open
	Enabled	Closed

I/O BASE ADDRESS AND BOOT ROM ADDRESS
Address		ROM Address	JP6	JP7
»	300h	C8000h	Closed	Closed
	320h	CC000h	Closed	Open
	340h	D0000h	Open	Closed
	360H	D4000h	Open	Open

DIAGNOSTIC LED(S)
LED	Status	Condition
1	On	Data is being transmitted
1	Off	Data is not being transmitted
2	Bright	Data is being received
2	Dim	Link pulses are being received
2	Off	Data is not being received