HP A165890669 manual Appendix B

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Appendix B

SCSI Connector Pinouts

This appendix provides a table listing the pinouts for the SCSI Connector on the CD±ROM drive.

Table B±1. SCSI Connector Pinouts

	PIN	SIGNAL				PIN		SIGNAL
	1	GND			26			TERMPWR
		DB(0)						GND
	2	DB(0)			27			GND
	3	GND			28			GND
	4	DB(1)			29			GND
	4	DB(1)			29			GND
	5	GND			30			GND
	6	DB(2)			31			GND
	7	GND			32			±ATN
	8	DB(3)			33			GND
	9	GND			34			GND

	10	DB(4)			35			GND

	11	GND			36			±BSY
	12	DB(5)			37			GND
	13	GND			38			±ACK
	14	DB(6)			39			GND
	15	GND			40			±RST
	16	DB(7)			41			GND
	17	GND			42			±MSG
	18	DB(P)			43			GND
	19	GND			44			±SEL
	20	GND			45			GND
	21	GND			46			±C/D
	22	GND			47			GND
	23	GND			48			±REQ
	24	GND			49			GND
	25	OPEN			50			±I/O

B±1

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Contents HP 4x Speed CD±ROM Disk Drive Users Guide 10 9 8 7 6 5 4 3 2 Contents Using your CD±ROM Drive Maintenance and TroubleshootingAppendix a Safety and Regulatory Statements Appendix B Scsi Connector PinoutFigures Safety and Regulatory Statements AudienceInstallation Notice Related ManualsProblems, Questions, and Suggestions Revision HistoryEdition E0895 First PrintingDocumentation Conventions Literal valuesChapter General Description ±1. HP 4x Speed CD±ROM DriveMajor Features of the CD±ROM Drive Temperature CD±ROM Drive Environmental RequirementsAltitude HumidityCD±ROM Drive Physical Specifications ±2. HP 4x Speed CD±ROM Physical SpecificationsPreparing to Install the CD±ROM Drive Verifying Kit ContentsTools Required Minimum RequirementsSet the SCSI±2 Address Address Jumpers ±3. SCSI±2 Address Settings Prepare the System Etc/ioscan ±d scsi ReturnUsr/sbin/ioscan ±d sdisk Return Ioscan No hardware found # /etc/shutdown ±h Return Single-Ended SCSI-2 Bus Configuration Constraints Single-Ended SCSI-2 Devices Type of Device AllowedMaximum Number of SCSI-2 Devices per bus SCSI-2 Bus Termination Guidelines Power Off the Workstation and any Peripherals Using Your CD±ROM Drive Your CD±ROM Drive Configuration Scsi ID and Device File Information for HP±UXDevice Controls and Features of the CD±ROM Drive ±1. CD±ROM Drive Controls and FeaturesControl/Feature Purpose Using the CD±ROM Drive Media DescriptionDisc Tray Description ±2. CD±ROM Disc TrayLoading a CD±ROM Disc in a Horizontally Mounted Drive Unloading a CD±ROM Disc in a Horizontally Mounted Drive Loading a CD±ROM Disc in a Vertically Mounted Drive ±5. Inserting a CD±ROM Disc Vertical MountUnloading a CD±ROM Disc in a Vertically Mounted Drive ±10Mounting a CD±ROM Disc Mkdir /cdrom Return±11 Unmounting a CD±ROM Disc Cd /cdrom Return±12 ±13 Reading the Busy Light ±14Maintenance and Troubleshooting Caring for the CD±ROM Discs Troubleshooting Check the Address Settings for Single±Ended DrivesEtc/ioscan Return Screen similar to the following appears Usr/sbin/ioscan ±d sdisk Return Check the Hardware Installation Recheck the Address Settings Verify the System Operation using SupportWave # man cstm Return # man mstm Return # man xstm ReturnFollowing screen appears Cstm verify all Return When you see the prompt shown above, type the following Removal and Replacement Procedures Field Replaceable UnitsRemoving and Replacing the CD±ROM Drive Description Part Number CD±ROM Drive A4325±60001Appendix a Emissions Regulations Federal Communications Commission FCCCanadian Department of Communications CDC Emissions Regulations Compliance AcousticsRegulation On Noise Declaration For Machines ±3. Gsgv Electrostatic Discharge ESD Precautions Laser Safety Statement For U.S.A. Only Laserturvallisuus Loukan 1 Laserlaite Klass 1 Laser ApparatIEC 825 Class Laser Labels Warnung Appendix B Order Number A1658±90669 Edition E0895