Page 2 - Contents
Contents Preface ........................................................................................ 1Electrostatic discharge protection ................................................ 1Important safety information and precautions.............................. 2Wichtige Sicherheitshinweise ......
Page 3 - Preface; Barracuda 4LP Product; representative if you need to order this publication.; Electrostatic discharge protection; Caution. Removal of circuit boards by personnel not perform-; • Ground yourself to the drive whenever the drive electronics
Barracuda 4LP Installation Guide, Rev. B 1 Preface This manual contains information for users of the Seagate®Barracuda 4LP SCSI disc drives. It provides support services,performance specifications, and initial setup information. Addi-tional information is available in the Barracuda 4LP Product Manua...
Page 4 - Important safety information and precautions
2 Barracuda 4LP Installation Guide, Rev. B • Turn off the power before removing or installing the DC power cable. • Do not remove any circuit boards from the drive. • Never use an ohmmeter on any circuit boards. • When installing the drive on a carrier or tray, discharge the carrier or tray prior to...
Page 6 - Wichtige Sicherheitshinweise
4 Barracuda 4LP Installation Guide, Rev. B This unit is a component part and as such is not meant to complywith FCC or similar national requirements as a stand-alone unit.Engineering radiated emissions test results are availablethrough the Seagate Safety Department to assist the subsystemdesigner. W...
Page 9 - European Union Compliance; • 486, Pentium, and PowerPC Microprocessors
Barracuda 4LP Installation Guide, Rev. B 7 magnetische Strahlung sind für Designer von Untersystemen aufAnfrage von der Seagate-Sicherheitsabteilung erhältlich. European Union Compliance If this model has the CE Marking, it complies with the EuropeanUnion requirements of the Electromagnetic Compatib...
Page 10 - Technical support services; drive or; SeaFONE
8 Barracuda 4LP Installation Guide, Rev. B Technical support services If you need assistance installing your drive, consult your dealer.Dealers are familiar with their unique system configurations andcan help you with system conflicts and other technical issues. Ifyou need additional assistance with...
Page 11 - go; BBS Location
Barracuda 4LP Installation Guide, Rev. B 9 SeaBOARD ® SeaBOARD is a computer bulletin board system (BBS) that con-tains information about Seagate’s disc and tape drive productsand is available 24 hours daily. Set your communications soft-ware to eight data bits, no parity, and one stop bit (8-N-1). ...
Page 12 - Location
10 Barracuda 4LP Installation Guide, Rev. B Seagate Technology FAX services SeaFAX ® You can use a touch-tone telephone to access Seagate’s auto-mated FAX system to receive technical support information byreturn FAX. This service is available 24 hours daily. Seagate technical support FAX You can FAX...
Page 13 - xxxx; SeaTDD
Barracuda 4LP Installation Guide, Rev. B 11 Before calling, note your system configuration and drive modelnumber (ST xxxx ). There are several technical support phone numbers available for various Seagate products. SeaTDD ™ 408-944-9121 Using a telecommunications device for the deaf (TDD), you canse...
Page 14 - General description; B a rr a c u d a 4 L P P r o d u c t M a n u a l; ( p a r t n u m b e r; Figure 1. Barracuda 4LP family drive
12 Barracuda 4LP Installation Guide, Rev. B General description Barracuda 4LP SCSI disc drives are high-speed, random-accessdigital-data storage devices. T h e d ri v e i s a c o m p o n e n t f o r i n s t a l l a ti o n i n a n e n c l o s u redesigned for the drive. This is often a rack within th...
Page 15 - Drive characteristics
Barracuda 4LP Installation Guide, Rev. B 13 Table 1. Drive characteristics Interface UltraSCSI [1] Capacity Formatted [2] Unformatted ST34371 4.35 Gbyte [2] 5.31 Gbyte ST32171 2.16 Gbyte [2] 2.65 Gbyte ST34571 4.55 Gbyte [2] 5.54 Gbyte ST32271 2.26 Gbyte [2] 2.77 Gbyte Recording Cylinders (user) 5,1...
Page 18 - Dimensions of the drive; inches
16 Barracuda 4LP Installation Guide, Rev. B [5] See “Conducted noise immunity” in the Barracuda 4LP Prod- uct Manual. The specified voltage tolerance is inclusive of ripple, noise, and transient response. [6] Operating condition is defined as random seek read opera- tions with a block count of 64. G...
Page 19 - Initial setup information; Drive models; The following general information topics are discussed:
Barracuda 4LP Installation Guide, Rev. B 17 Initial setup information The general information beginning on this page applies to all ofthe Barracuda 4LP drive models. After reading the general infor-mation topics, refer to the appropriate drive-specific sectionlisted below for additional information ...
Page 20 - SCSI ID jumpers; Note. Most SCSI controllers (host adapters) allow you to skip a
18 Barracuda 4LP Installation Guide, Rev. B SCSI ID jumpers Each device on the SCSI chain must have a unique SCSI ID.The host system’s SCSI controller usually uses the ID that hasthe highest priority interrupt in the SCSI I/O system. This isalways ID7. ID0 is lowest priority in an 8-bit I/O system. ...
Page 21 - Drive termination; Note. Some controllers prefer to remain terminated even if they
Barracuda 4LP Installation Guide, Rev. B 19 the case, change the ID so that each device on the SCSI chainhas its own unique ID. Also check your system or controlleruser ’s manual to ensure that you have not violated its SCSI IDnumbering recommendations. Drive termination If you are installing a Barr...
Page 22 - SCSI bus termination; Terminator power; • “WD” and “DC” models use differential I/O circuits. You cannot
20 Barracuda 4LP Installation Guide, Rev. B For information about how to terminate your drive, refer to theappropriate drive-specific section. Figure 2. SCSI bus termination Terminator power You usually will not need to change this option and can normallyleave the drive configured as it was shipped ...
Page 23 - Cable characteristics for single-ended circuits
Barracuda 4LP Installation Guide, Rev. B 21 Figures 3a, 3b, 3c, and 3d show typical drive connections. Thefollowing table lists the maximum cable lengths and number ofdevices with single-ended I/O circuits allowed on a daisy-chaincable for <10 and <20 M transfers/sec I/O data transfer rates. F...
Page 24 - HDA
22 Barracuda 4LP Installation Guide, Rev. B Figure 3a. Fifty pin I/O connection to drive Figure 3b. Sixty-eight pin connection to drive Pin 1 HDA Pin 1 HDA
Page 25 - Figure 3c. Multiple drive connection to host adapter
Barracuda 4LP Installation Guide, Rev. B 23 [1] “X” means up to 6 or the maximum allowable number of devices on the SCSI bus. See Table 4 and system documentation. Figure 3c. Multiple drive connection to host adapter Host Adapter PCB Pin 1 (check your adapter for Pin 1 location) SCSI ID X (or last d...
Page 26 - Figure 3d. Multiple-drive connection to host adapter
24 Barracuda 4LP Installation Guide, Rev. B [1] Do not mix “W” and “WD” model drives on the daisy chain.[2] “X” means up to 15 or the maximum allowable number of devices on the SCSI bus. See Table 4 and system documentation. [3] External terminator. Figure 3d. Multiple-drive connection to host adapt...
Page 27 - Note. This drive model plugs directly into a backplane connec-; tor and therefore uses no cables.; and power connector
Barracuda 4LP Installation Guide, Rev. B 25 Note. This drive model plugs directly into a backplane connec- tor and therefore uses no cables. Figure 3e. Drive model “WC” or “DC” with single 80-pin I/O and power connector
Page 28 - Providing adequate cooling
26 Barracuda 4LP Installation Guide, Rev. B Providing adequate cooling The enclosure design must ensure adequate cooling for thedrive. The maximum ambient temperature is 50 ° C. The drive’s product manual (77767491) describes how to evalu-ate the air-flow design. The evaluation consists of ensuring ...
Page 29 - Kühlung des Systems
Barracuda 4LP Installation Guide, Rev. B 27 Kühlung des Systems Die Gehäusekonstruktion muß eine ausreichende Kühlung desL aufw erk es g ew ährl e i sten . Di e U m ge bun gste mp era tur da rfmaximal 50 ° C betragen. Di e Produkthandbuch Barracuda 4LP (Dokum ent 77767491)enthalten Anweisungen zur B...
Page 31 - Mounting the drive and connecting cables
Barracuda 4LP Installation Guide, Rev. B 29 Mounting the drive and connecting cables Do not touch the connector pins or any components on the con-trol board without observing static-discharge precautions.Always handle the drive by the frame only. The drive may be mounted in any orientation (horizont...
Page 35 - Replace the host system’s cover.
Barracuda 4LP Installation Guide, Rev. B 33 tem einbauen. Die daraus u.U. resultierende verstärkteelektromagnetische Strahlung fällt in den Zuständigkeits-bereich des Systemdesigners. 5. Replace the host system’s cover. 5. Setzen Sie das Gehäuseoberteil des Host-Systems wiederauf.
Page 36 - Mounting configuration dimensions
34 Barracuda 4LP Installation Guide, Rev. B Figure 6. Mounting configuration dimensions A F D E L [1] [3] B G [1] Mounting holes three on each side, 6-32 UNC. Max screw length into side of drive 0.15 in. (3.81 mm). Screw tightening torque 6.0 in-lb (.675 NM) max with minimum thread engagement of 0.1...
Page 37 - Formatting the drive; Warning. Formatting a drive erases all user data. Be sure that; • DOS. Set the drive type in CMOS to “; hard drive installed; • Macintosh. Use a third-party drive utility (Apple’s HD Setup
Barracuda 4LP Installation Guide, Rev. B 35 Formatting the drive Warning. Formatting a drive erases all user data. Be sure that you understand this principle before formatting anyhard disc drive. It is not necessary to format a drivethat previously has been used to store data, unlessyour intention i...
Page 38 - Setting the SCSI ID on model N drives; Drive
36 Barracuda 4LP Installation Guide, Rev. B N drives N/ND drives section Setting the SCSI ID jumpers Use the J6 connector to set the SCSI ID (see Figure 7). Tochange the SCSI ID, install jumpers on the appropriate pins asshown in the illustration. Figure 7. Setting the SCSI ID on model N drives A2 A...
Page 39 - Terminating the drive; Disable SCSI terminator
Barracuda 4LP Installation Guide, Rev. B 37 N drives Terminating the drive “N” model drives are terminated with permanently mounted ICactive terminators. If you install one of these drives and it is noton the end of the SCSI bus, disable the terminators by removingthe jumper “TE” from pins 15 and 16...
Page 40 - Setting terminator power jumpers
38 Barracuda 4LP Installation Guide, Rev. B N drives Terminator power There are three possible terminator power (TP) configurationsfor “N” model drives (see Figure 9). You will not normally need tochange this option and can leave the drive configured as it wasshipped from the factory. Figure 9. Sett...
Page 41 - Several other jumper options are available as illustrated.; Figure 10. Additional jumper options
Barracuda 4LP Installation Guide, Rev. B 39 N drives Other applicable jumper options Several other jumper options are available as illustrated. Figure 10. Additional jumper options Enable parity check of SCSI bus. Disable parity check. J2 Pin 1 Reserved Parity Check option Write protect = Off (enabl...
Page 42 - Setting the SCSI ID jumpers; Setting the SCSI ID on model W/WD drives
40 Barracuda 4LP Installation Guide, Rev. B W/WD drives W/WD drives section Setting the SCSI ID jumpers Use the J6 jumper block to set the SCSI ID (Figure 11). Tochange the SCSI ID, install jumpers on the appropriate pins asshown in the illustration. Optional connections to switching cir-cuits in ho...
Page 43 - Figure 12. Using J1-Auxillary connector for model “W”
Barracuda 4LP Installation Guide, Rev. B 41 W/WD drives Figure 12. Using J1-Auxillary connector for model “W” and “WD” drive alternate ID select and LED connection J1-DC Power J1 68 Pin SCSI I/O Connector Drive HDARear SCSI ID = 8 SCSI ID = 9 SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID = 13 SCSI ...
Page 44 - *Disable SCSI terminator
42 Barracuda 4LP Installation Guide, Rev. B W/WD drives Terminating the drive “W” model drives are terminated with permanently mounted ICactive terminators. If you install one of these drives and it is noton the end of the SCSI bus, disable the terminators by removingthe jumper “TE” from pins 15 and...
Page 45 - Figure 14. Setting terminator power jumpers
Barracuda 4LP Installation Guide, Rev. B 43 W/WD drives Terminator power There are three possible terminator power (TP) configurationsfor “W” model drives (see Figure 14). You will not normally needto change this option and can leave the drive configured as itwas shipped from the factory. There are ...
Page 46 - Other applicable jumper options; Other option jumpers are available as illustrated below.; Figure 15. Additional jumper options
44 Barracuda 4LP Installation Guide, Rev. B W/WD drives Other applicable jumper options Other option jumpers are available as illustrated below. Figure 15. Additional jumper options Enable parity check of SCSI bus. Disable parity check. J2 Pin 1 Reserved Parity Check option Write protect = Off (enab...
Page 48 - Applicable jumper options; Option jumpers are available as illustrated below.; Figure 16. Jumper options
46 Barracuda 4LP Installation Guide, Rev. B WC/DC drives Applicable jumper options Option jumpers are available as illustrated below. Figure 16. Jumper options Enable parity check of SCSI bus. Disable parity check. Parity Check option Write protect = Off (enables writing) Write protect = On (disable...
