Seagate ST43401N/ND, ST43402ND user manual J4A

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ST43401N/ND, ST43402ND User’s Manual, Rev. B

25

= Jumper connected

= Jumper not connected

= Non-applicable jumper (not relevant to the option discussed)

Not used

Not used

Not used

Write Protect/Enable (WRT)

Slave Select (SLV)

Spinup Delay Option (SDO)

Start Command Option (SCO)

SCSI Bus Parity Check Option (SCPAR)

Sweep Cycle Option (SWP)

J4A

N/A WRT

N/A N/A SLV

Write Protect/Enable (WRT)

Write protect (disable writing)

Write enable (enable writing)

Slave Select (SLV)

Master (master for spindle sync)

Slave (slave drive unless selected as the master by a SCSI command)

J4B

Spinup Delay Option (SDO)

Immediate spinup

(if the Start Command Option jumper is disconnected)

Spinup delay equal to the SCSI bus ID multiplied by 10 seconds (if the Start Command Option jumper is disconnected)

Start Command Option (SCO)

Start spindle according to the Spinup Delay Option jumper

Start spindle after the SCSI bus sends a Start Unit command

SCSI Bus Parity Check (SCPAR)

Enable parity check of SCSI bus data

Ignore parity

Sweep Cycle Option (SWP)

Disable sweep cycles (recommendation — sweep cycles should be enabled at the system or subsystem level)

SDO SCPAR SCO SWP

Enable sweep cycles at the drive level

Figure 9. ST43402ND control board jumpers

Image 35
Contents Elite Disc Drive ST43401N/ND ST43402ND Contents Electrostatic discharge protection PrefaceImportant safety information and precautions Page Wichtige Sicherheitshinweise Page Page SeaTDD 408 Technical support servicesSeaFAX USA 408 438-2620 England SeaFONE 408Location Number TelephoneGeneral description ST43402ND disc drive ST43401N/ND, ST43402ND User’s Manual, Rev. B Write Read Msec Characteristics Conditions SpecificationsPage Drive functional block diagram Umgebungsbedingungen Site requirementsEnvironmental requirements Environmental requirements Conditions Specifications ST43401N/ND, ST43402ND User’s Manual, Rev. B Air-flow requirements Suggested air flow/Empfohlener Luftstromverlauf Räumliche Anforderungen Space requirementsMounting orientations Montageorientierungen Dimensions of the drive Laufwerkabmessungen Power requirements ST43401N/ND, ST43402ND User’s Manual, Rev. B Interface requirements Grounding requirementsST43401N/ND, ST43402ND User’s Manual, Rev. B Ground Ground Diffsens Termpwr Reserved ATN BSY ACK RST MSG SEL REQ Even pin Odd pin Signal name Numbers Repacking Unpacking, inspection, and repackingUnpacking InspectionSetting the control board jumpers Installation proceduresJ4B J4A ST43402ND I/O board J09 jumpers ST43402ND I/O board J10 jumpers ST43402ND I/O board J01 and J03 jumpers Mounting the power supply Installing a power supplySetting the voltage range Attaching a bezel ST43401N/ND shown Attaching an optional bezelMounting the drive Mounting the drive ST43401N/ND shown ST43401N/ND drives Connecting the system I/O cablingST43402ND I/O cable attachment ST43402ND drivesST43401N terminator attachment-single-ended I/O ST43401ND terminator attachment-differential I/O Synchronizing the spindle Grounding the systemJ4A J4A ST43401N/ND, ST43402ND User’s Manual, Rev. B Verification Page Operation LED indicatorsLEDs on ST43401N/ND drives LED indicator Function LEDs on ST43402ND drives When it is off, the drive does not have a Scsi Operating instructions LED or indicator FunctionParts data Options and accessories Part Number Description Observing maintenance precautions MaintenancePacking a drive for shipment Arranging for depot repairRemoving and replacing a drive