IBM DS-2000 warranty Programmable Option Select, Available interrupt levels Iii

Page 21

PROGRAMMABLE OPTION				SELECT
	+-------------------------				+-------------------				+
	ADSx3	ADSx2	ADSx1	ADSx0		Base	address
	+-------------------------				+-------------------				+
	0	0	0	0		3F8H	(Serial	1)
	0	0	0	1		2F8H	(Serial	2)
	0	0	1	0		3220H	(Serial	3)
	0	0	1	1		3228H	(Serial	4)
	0	1	0	0		4220H	(Serial	5)
	0	1	0	1		4228H	(Serial	6)
	0	1	1	0		5220H	(Serial	7)
	0	1	1	1		5228H	(Serial	8)
	1	0	0	0	83F8H
	1	0	0	1	82F8H
	1	0	1	0	B220H
	1	0	1	1	B228H
	1	1	0	0	C220H
	1	1	0	1	C228H
	1	1	1	0	D220H
	1	1	1	1	D228H
	+-------------------------				+-------------------				+
	Figure		17. Available base addresses.

+-------------			+-----		+
INSx1 INSx0 IRQ
+-------------			+-----		+
	0	0		3
	0	1		4
	1	0		7
	1	1		9
+-------------			+-----		+

Figure 18. Available interrupt levels.

iii

Image 21

Contents Warranty Information Date of PurchaseSerial Number Table of Contents List FifoModem Introduction CPUII . Board Description Functional Description Dlab Register Description Functional Description III FunctionalFunctional Description Interrupt Enable Register Functional Description Interrupt Identification Register IID2 IID1 IID0 IP Func Tional DescriptionFunctional Description Fifo Control Register Line Control Register STB STB WLS1 WLS0 Parity selectionsFunctional Description Modem Control Register Ffrx Functional Description Line Status RegisterTemt ThreData ready Indicates Is present Receive buffer Functional Description Modem Status Register Functional Description Scratchpad Register Fifo Interrupt Mode OperationBaud Rate Selection PC/XTAUD Rate Selection Addressing VI. Addressing VII InterruptsVIII. Programmable Option Select Programm Able Option Select Available interrupt levels Iii Programmable Option SelectOUT PUT Configurations IX. Output Configurations Output Configurations Baudout Auxout Rclk AuxinAuxin Rclk DTR RTSOutput Configurations Ternal Connections External Connections XII Specifications Installation XI. Installation