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HP 220mx HP SureStore 9100mx Optical Disk Drive User's Guide - Page 61

Connectors

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Operating This Drive on a SCSI Bus A Brief Overview of SCSI The differential bus uses two lines for each signal and measures the voltage difference between the two signals. Differential retains more signal quality than single-ended and is not as sensitive to noise, allowing for a longer cable length. The maximum allowable length of a differential bus is 25 meters (82 feet) for all types buses (narrow, wide, fast, Fast-20). Connectors Narrow devices (50-pin) use the following connectors: • 50-pin low-density clip Centronics-type (external) This is a large connector that is similar to a printer cable. This type of connector is gradually being replaced by the Micro D connector, described below. • 50-pin high density Micro D (using thumbscrews or small clips) (external) • This connector is similar to a D-type connector, but smaller and with smaller pin holes placed closer together. • 50-pin low-density ribbon (usually internal to the host) Wide devices (68- pin) use the following connectors: • 68-pin high density Micro D connector (external) This connector is similar to a D-type connector, but longer and slimmer and with smaller pin holes placed closer together. This connector is becoming the most common. • 68-pin high density ribbon (usually internal to the host) Operating the Drive on a SCSI Bus Appendix B B- 5

Section	Page
HP SureStore 9100mx Optical Disk Drive	1
User’s Guide	1
Edition 1	1
HP Part No. C1114-90020	1
Printed in: Greeley, CO USA	1
Notice	2
Printing History	2
Typographical Conventions	3
In This Manual	4
1 Setting up the Disk Drive	13
Setting up the Disk Drive	14
Preparing the Environment	15
Clearance Requirements	15
Location Requirements	15
Rear Panel Features	16
Connecting the Drive to Your Host Computer	18
Setting the Operating Mode and Write Verify	18
Setting the SCSI ID	19
Cabling and Termination	20
Connecting the Drive to Your System	21
Connecting the Drive Using the Supplied Windows/Mac Drivers	21
Connecting the Drive Using Native Operating System Drivers	22
Connection to Windows 98	22
Connection to Windows 2000	22
Connection to Windows NT 4.0	23
Connection to HP-UX (10.2, 11.x)	24
Creating a File System on the Disk	24
Obtaining HP-UX Patches	25
Connection to IBM RS6000 (AIX)	26
Creating a File System on the Disk	26
Disconnecting the Drive	27
Useful Commands	28
Connection to Sun Solaris	28
2 Using Optical Disks	29
Overview of This Chapter	30
Using Optical Disks	30
Choosing an Optical Disk Type	31
Labeling an Optical Disk Cartridge	32
Write-Protecting an Optical Disk	33
Caring for Optical Disks	34
Cleaning Disks	34
3 Operating the Disk Drive	35
Operating the Disk Drive	36
Identifying Front Panel Features	37
Loading a Disk Into the Drive	38
Ejecting a Disk Using the Disk Eject Button	38
Manually Ejecting Disks With Power Off	38
Troubleshooting	39
A Supplies and Customer Support	47
Supplies and Customer Support	48
Supplies and Accessories	48
Hewlett-Packard Customer Support	51
Warranty	52
Obtaining Service	53
Service After the Warranty Period Expires	53
Repacking guidelines for returning your optical drive	53
Service Information Form	54
Hewlett-Packard Service Centers	56
Hewlett-Packard Service in the US	56
Hewlett-Packard Service Worldwide	56
B Operating This Drive on a SCSI Bus	57
A Brief Overview of SCSI	58
General	58
The SCSI Bus	58
Initiators and Targets	58
LUN Addressing	59
Transfer Rates on the Bus	59
Termination	60
Single-ended and Differential Interfaces	60
Connectors	61
The SCSI Bus and This Drive	62
Mixing Wide and Narrow Devices	62
Cable Lengths	63
Termination	64
General	64
C Safety and Regulatory Information	65
Chapter Overview	66
CDRH Regulations (USA Only)	67
United Kingdom Telecommunications Act 1984	68
EC Declaration of Conformity	69
Herstellerbescheinigung	70
English Translation of German Sound Emission Directive	70
Turvallisuusyhteenveto	71
Laserturvallisuus	71
Huolto	71
English Translation of Finland Regulatory Information	72
Japanese VCCI Statement	73
Glossary	75
C-D	75
cartridge	75
A plastic enclosure that contains an optical disk. The cartridge is labeled \	75
disk	75
See optical disk.	75
driver	75
A program that allows the operating system to communicate with a peripheral device.	75
M-O	75
magneto-optical	75
A type of optical technology which uses a laser to read from and write to a magnetic layer on an ...	75
multifunction drive	75
An optical disk drive that supports both rewritable and write-once optical disks. The drive detec...	75
optical disk	75
A term synonymous with the 5.25-inch magneto-optical disk. There are two types of optical disks u...	75
R-T	75
rewritable optical	75
An optical disk technology in which data can be repeatedly written using magneto- optical reading...	75
SCSI	75
An acronym for the Small Computer Systems Interface.	75
terminator	75
A resistor array device used for electrically terminating a SCSI bus. A SCSI bus must be terminat...	75
W	75
write-once	75
An additional operating mode available with multifunction drives. When a write-once disk is inser...	75
write protect	76
A feature that prevents data from being written to a disk. A write protect tab is located on both...	76
A	77
C	77
D	77
E	77
F	77
L	77
M	77
O	77
P	77
R	77
S	77
T	77
U	77