Audio Subsystem Sound Blaster Support Function, Line | IBM 560E

Audio Subsystem

Sound Blaster Support Function

The Sound Blaster support function provides three system settings: I/O address, IRQ level, and DMA channel.

I/O Address		IRQ Level		DMA	Channel

0220–022F	(Default)	IRQ	5 (Default) DMA		0
0240–024F		IRQ	7	DMA	1 (Default)
0338–033F	(FM synthesizer)	IRQ	10	–
		IRQ	11	–

Audio Port Specifications

ŸAudio Output:

–	⅛-inch mini-jack for headphone
–	Headphone speaker output: 22 mW (32 ohm) maximum
–	Maximum output level: 2.4 V pp
–	Output impedance: 75 ohm

ŸAudio Input:

–	⅛-inch		mini-jack	for		microphone	or line	input
–	Microphone gain:				26	dB minimum,	48.5 dB	maximum
–	Maximum		input level:
	Microphone:		125		mV	pp
	Line	In:	4.0		V	pp
	– Input impedance:
	Microphone:		47	k	ohm
	Line	In:	30	k	ohm

3-6ThinkPad 560/560E Subsystems

Image 60

IBM 560E manual Audio Subsystem Sound Blaster Support Function, Audio Port Specifications, Line

Contents

06J0536 S76H-7587-01 1997 Any countryWith Local Contents System SmapiIndex NMI Bios Video Modes for the ThinkPad . Computer Preface Viii ThinkPad 560/560E Preface Acoustical Readings Power Supply Voltages Output Protection System Overview Description ModelSubmodel Byte Clock Hex System Board Devices and Features Lists System Board devices and their features.Describes Devices PS/2 products by type number Device Type 560Controller Device controller Audio subsystem Subsystem System Board I/O Address Map Shows Address Map Part 2 of 2. System Board I/O Address Map Specifications To Figure List Specifications For ComputerClock Physical Specifications Acoustical Readings WAd BelsIdle Power Supply VoltagesOutput Voltage V dc Current a Power Supply Connector Nominal value Power SupplyOutput Protection Voltage Sequencing Battery Pack AverageProtection 14ThinkPad 560/560E System Overview Configuration Miscellaneous System Functions RAM SubsystemMask Register Hex 0070 RT/CMOS Data Register Hex 0071 System Control Port Microprocessor Cache Memory OperationOn-chip cache Memory Address Space Hex C0000-C7FFF is L1 cacheablecode for Read Operations. onlyIf Keyboard/Mouse Connector SignalsConnector Current For Dc pin 4 is 0.5 a for both Scan Codes Hardware Interface Technical Reference Key Numbers for the 85-Key Keyboard Displayable Characters and Symbols For displayable characters and symbols that are keyable from Pin Signal Disk Drive External Connector Part 1 of 2 -Pin External Connector Pin Assignments Part 2 of 2 -Pin External Connector Pin Assignments Signal Type Diskette Drive and Controller Format Size720KB Diskette Drive Connector Pin Signal Type Memory ROM SubsystemRAM Subsystem Connector that MappedStarting Above Hex 100000 boundary System Board ThinkPad 11. Dimm Connector Pin Assignments RAM active When Power Supply Not Turned Lists RAMBytes Their Addresses Bytes Hex BitBits Hex 0071 Operations Bytes Hex Status Register a0These bits allow the selection of a divider output BitFunction Status Register Hex 00B This Bit Indicates Whether Binary-coded-decimalBCD Status Register C Hex Status Register D Hex 00D Cmos RAM Configuration Byte Hex 00EStatus Byte Hex Installed Diskette Drive Bits 7-4These bits indicate the diskette drive typeHard Disk Byte Hex 011 This byte defines the type Hard Byte Hex 012 ThisByte Hex 014 Bits 5 Low Bytes Hex 015 and HexHex 017 018 031 NMI Disabled. Before Miscellaneous System Functions and PortsRT/CMOS Address Register. See When read, this bit toggles for each refresh request When Set This Bit Enables Speaker DataWhen Set This Bit Enables Timer Gate 0061 Port a Hex 0092This Bit Reserved Power-On Password Selectable Drive-Startup Sequence Hardware Compatibility Error Codes 33 Part 1 of 2. Error Codes Error Code Subsystems Video Subsystem Video Modes Audio Subsystem Sound Blaster Video Subsystem Displaying OutputLCD Both LCD and monitor Video Modes ThinkPad 560EDisplaying output on the LCD or both on the LCD and monitor Displaying output on the monitor Format Address Box Pages Alpha Buffer MaxiColors Numeric Start Size Mum Pels 800×600 Buffer Box Start SizePels 800×600 Audio Port Specifications Audio Subsystem Sound Blaster Support FunctionLine Specification Version SubsystemSystem board has two 68-pin III Pcmcia Standards and Specifications Pin Assignments Shows Pin Assignments For Pcmcia slotsCurrent +for5V Dc±5% is For each Slot Total Both Slots 10ThinkPad 560/560E Subsystems Get Power Mode BL=00h. . . . . . . . A-.27Set Power Get Timer Request System Hibernation. . . . . . . . . . . . . A-.52 What is Smapi BIOS? System ConfigurationPower Management System Information Bios This area identifies the Bios service level defined below Real Mode Entry Point16-bit/32-bit Protected Mode Entry Point Information Word Smapi Bios Calling ConventionParameter Structure Input Field Sample in Assembler Language Sample in C Language Calling Convention Pseudo Code Assembler Language Language Return Codes Service Get System IdentificationOutput Field CPU ID Information Control Unit Information Get System Sensor Get Video Information Get Refresh Rate Output Field System Configuration Service Output Field Set Display Device Get Pointing Device Set Pointing Device Input Field Support Mode BL=00h Get 28ThinkPad 560/560E Smapi Bios Get Timer Control 30ThinkPad 560/560E Smapi Bios Set Timer Control Event Bit Definition Condition Set System Event Get System Event Set System Event Condition Get System Event Condition 38ThinkPad 560/560E Smapi Bios Get System Set System Get Standby Timer Set Standby Get Hibernation Set Hibernation Get System Event Condition 46ThinkPad 560/560E Smapi Bios Get System Resume Set System Resume Timer 50ThinkPad 560/560E Smapi Bios Request System 52ThinkPad 560/560E Smapi Bios Samples Data Structure Parameters Byte SMBHDRSIG4 Input Parameter Typedef struct Function Declaration Installation Check Biosseg Find Smapi Head Word Smbhdrroffset Pfsmbheaderreal Bios Call Bit Protected Mode Word GetSystemID IBM Director LicensingCorporation Columbus Thornwood 10594 Trademarks Following terms, denoted by a double asterisk ** in thisPublication, are Trademarks of other companies as follows Index Configuration Low High Expansion Microprocessor Registers API Smapi IBM