W1-W3 Jumper Fields

W1-3: I/O Mode Selection

W1(1)	W1(2)	W1(3)	Mode
Off	Off	Off	Programmed I/O (PIO)
On	Off	Off	Host DMA (DMA Chan#1)
Off	On	Off	Demand Driven or Blind I/O
On	Off	On	Host DMA (DMA Chan#3)

(Default is PIO.)

W1(4-6), W4(1-6): Interrupt Select

W1			W4
4	5	6	1	2	3	4	5	6
Off	On	Off	On	Off	Off	Off	Off	Off	IRQ#2
On	On	Off	Off	On	Off	Off	Off	Off	IRQ#3
Off	Off	On	Off	Off	On	Off	Off	Off	IRQ#4
On	Off	On	Off	Off	Off	On	Off	Off	IRQ#5
Off	On	On	Off	Off	Off	Off	On	Off	IRQ#6>
On	On	On	Off	Off	Off	Off	Off	On	IRQ#7

(Default is IRQ#7.)

W3: ROM BIOS Address Select

1	2	3	4
On	Off	On	On	C800
Off	Off	On	On	CC00
On	On	Off	On	D000
Off	On	Off	On	D400
On	Off	Off	On	D800
Off	Off	Off	On	DC00

(Default is C800.)

W1(7,8): Reserved

W2(1-4): I/O Address: Jumpers must remain on 1 & 3 (340h) or the Host Adapter will not be recognized.