MICROPOLIS 4421AV HARD DISK DRIVE REPAIR, MICROPOLIS 4421AV SCSI HARD DISK DRIVE REPAIR, SPECIFICATIONS, JUMPERS,
micropolis 4421AV hard disk drive specifications, Micropolis 4421AV Hard Disk Drive Specifications, Jumpers,
micropolis 4421AV hard disk drive repair, Micropolis 4421AV Hard Disk Drive Repair,
micropolis 4421AV hard disk drive specs, Micropolis 4421AV Hard Disk Drive Specs,
micropolis 4421AV hard disk drive repair, Micropolis 4421AV Hard Disk Drive Repair Micropolis 4421AV
Specifications



micropolis 4421av picture. micropolis 4421av picture.
micropolis 4421av picture.

Micropolis 4421AV Specifications
Model Capacity Size Height Bus Type Int.Type
Micropolis 4421AV 2050MB 3.5" SL SCSI2 Fast

Size 3 1/2"
Interface SCSI-2
Interface Type Narrow, Single-Ended
Encoding Method  
Formatted Capacity 2050 MB
Disks 5
Heads 9
Cylinders 4050
Sectors Variable
Buffer Size N/A
Average Seek 8.8 msec
Single Track  
Rotation Speed/Avg. Latency 5400 rpm +/- 0.5%
Transfer Rate to / from. media 20 Mbytes/sec Synchronous
Transfer Rate to / from buffer  
Tracks Per Inch (TPI)  
Bits Per Inch (BPI)  
Dimensions 5.75"D x 4.0"W x 1.0"H
Weight 0.00 lbs.

POWER REQUIREMENTS
  +12V +/-5% +5V +/-5% Power
Spin up .55A    
Read / Write 1.75A 1.1A  
Typical seeking     12 Watts

Notes:

Board Layout Drawings


Remote LED
Open-collector output - Used to drive a user-supplied LED to indicate the drive is active.

SCSI Address (ID0, ID1, and ID2)
Jumpers ID0, ID1, and ID2 select the SCSI address.
Each SCSI device on one Host Adapter must have a unique address.
SCSI ID0 is Default.

SCSI ID ID2 ID1 ID0
0 (default) out out out
1 out out in
2 out in out
3 out in in
4 in out out
5 in out in
6 in in out
7 in in in

Terminator Power (W1, W2, W3)
Jumper installed at W1 (Default) - The disk drive provides terminator power.
Jumper installed at W2 - The host provides terminator power via interface connector J1.
Jumper installed at W3 (Default) - The disk drive provides terminator power to the
SCSI Bus via interface connector J1.

Interface Termination (W4)
Jumper installed at W4 (Default) - The disk drive is terminated; i.e., onboard
termination is electrically enabled.
Jumper omitted at W4 - The disk drive is not terminated; i.e., onboard termination is
electrically disabled.

Spindle Control (SP0)
Jumper installed at SP0, jumper omitted at SP1 - The spindle motor starts when 
SCSI ‘START UNIT’ command is received.
Jumpers omitted at SP0 (Default) and at SP1 - The spindle motor starts at power-on.

Spindle Delay (SP1)
Jumper installed at SP1, jumper omitted at SP0 - The spindle motor start-up delayed
based on SCSI ID (12 seconds per SCSI ID).
Jumpers omitted at SP1 (Default) and at SP0 - The spindle motor starts at power-on.

Write Protect (WP)
Jumper installed at WP - The disk drive is write protected.
Jumper omitted at WP (Default) - The disk drive is not write protected.

BUS Parity Check (PTY)
Jumper installed at PTY - The disk drive neither generates nor detects parity.
Jumper omitted at PTY (Default) - The disk drive generates parity and has parity
detection enabled.

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