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Wenn Sie das Systemgehause nicht an die HDA/PCB- Erdung anschlie.en wollen, mussen Sie das Laufwerk auf nichtleitende Weise (galvanisch isoliert) im Host-Sys Barracuda 4LP Installation Guide, Rev. B tem einbauen. Die daraus u.U. resultierende verstarkte elektromagnetische Strahlung fallt in den Zustandigkeitsbereich des Systemdesigners. 5. Replace the host system’s cover. 5. Setzen Sie das Gehauseoberteil des Host-Systems wieder auf. Barracuda 4LP Installation Guide, Rev. B [4] A F D E L [1] [3] GC Notes: [1] Mounting holes three on each side, 6-32 UNC. Max screw length into side of drive 0.15 in. J H K [2] (3.81 mm). Screw tightening torque 6.0 in-lb (.675 NM) max with minimum thread engagement of 0.12 in. (3.05 mm). [2] Mounting holes four on bottom, 6-32 UNC. Max screw length into bottom of drive 0.20 in. B (5.08 mm). Screw tightening torque 6.0 in-lb (.675 NM) max with minimum thread engagement of 0.12 in. (3.05 mm). [3] Power and interface connectors can extend past the "A" dimension by 0.040 in. (1.02 mm). [4] Decorative front panel (optional). [5] Although the illustration shows the 50 pin I/O connector drive model, mounting hole locations are the same for all Barracuda 4LP models. P Inches Millimeters A 5.74 ± .010 145.80 ± .25 B 4.00 ± .010 101.60 ± .25 C 1.00 + .021 25.40 + .53 – .009 – .22 D 2.362 ± .010 60.00 ± .25 E .620 ± .020 15.75 ± .50 F 4.000 ± .010 101.60 ± .25 G .250 + .010 6.35 + .25 – .005 – .12 H 1.750 ± .010 44.45 ± .25 J 3.750 ± .010 95.25 ± .25 K 2.370 ± .020 60.20 ± .50 L 1.00 ± .010 25.4 ± .25 M 4.000 ± .010 101.6 ± .25 N 0.19 ± .010 4.83 ± .25 P 0.015 max 0.381 max M N [4] Figure 6. Mounting configuration dimensions Barracuda 4LP Installation Guide, Rev. B Formatting the drive Warning. Formatting a drive erases all user data. Be sure that you understand this principle before formatting any hard disc drive. It is not necessary to format a drive that previously has been used to store data, unless your intention is to erase all user data. Note. Seagate is not responsible for lost user data. 1. Turn on DC power. 2. Boot the system from a system floppy disc or from a previously installed hard disc drive if there is one. 3. Format the disc drive. Barracuda 4LP disc drives are designed to operate with a variety of operating systems. Please refer to your system or SCSI controller manual for information about formatting and setting up the drive. Some quick desktop system notes are provided below. Quick reference desktop system notes Note. Refer to your system or utility manual for detailed instructions) • DOS. Set the drive type in CMOS to “Zero,” “None,” or “No hard drive installed.” Use FDISK.EXE and FORMAT.EXE. Systems that have operating system Windows 95 release 950B or later do not need to partition the drive. • Macintosh. Use a third-party drive utility (Apple’s HD Setup utility only works with drives having special Apple firmware). Barracuda 4LP Installation Guide, Rev. B N drives Setting the SCSI ID jumpers Use the J6 connector to set the SCSI ID (see Figure 7). To change the SCSI ID, install jumpers on the appropriate pins as shown in the illustration. A2 A1 A0 Reserved L E D R E S R E S Jumper Plug (enlarged to show detail) J6 Drive Front Pin 1 SCSI ID = 0 SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5 SCSI ID = 6 SCSI ID = 7 (default) Figure 7. Setting the SCSI ID on model N drives Barracuda 4LP Installation Guide, Rev. B N drives Terminating the drive “N” model drives are terminated with permanently mounted IC active terminators. If you install one of these drives and it is not on the end of the SCSI bus, disable the terminators by removing the jumper “TE” from pins 15 and 16 of connector J2 (see Figure 8). If you install the drive on the end of the SCSI bus, enable termination by installing a jumper on pins 15 and 16 of connector J2. Pin 1 J2 R T D M W P E T T E SEPDSP P Disable SCSI terminator Enable SCSI terminator (default) SCSI I/O Connector DC Power Connector J2 Drive Front J6 J1 J2 Jumper Type (enlarged to show detail) Figure 8. Terminating the drive Barracuda 4LP Installation Guide, Rev. B N drives Terminator power There are three possible terminator power (TP) configurations for “N” model drives (see Figure 9). You will not normally need to change this option and can leave the drive configured as it was shipped from the factory. Pin 1 J2 R T D M W P E T T “N” model drives E S E P D S PP Term. Power to SCSI Bus Term. Power from Drive (default) Term. Power from SCSI Bus Position A SCSI I/O Connector DC Power Connector J2 Drive Front J6 J1 J2 Jumper Type (enlarged to show detail) Figure 9. Setting terminator power jumpers Barracuda 4LP Installation Guide, Rev. B N drives Other applicable jumper options Several other jumper options are available as illustrated. Drive with Reserved J2 HDA up, PCB Pin 1 down, viewed from front J6 L R R Reserved E E E. DSS A2A1 A0 (default) Pin 1HDA Reserved Remote LED CATH 11 12 Delay Motor Start option (valid only if the Ena...

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