Micropolis 4345NS
Hard Disk Drive
Overview
| Model | Capacity | Size | Height | Interface | Bus Type |
|---|---|---|---|---|---|
| Micropolis 4345NS | 4.55 GB | 3.5" | 1/3HT | Ultra | SCSI3 |
Specifications
| Size | 3 1/2" |
| Interface | SCSI-3 |
| Encoding Method | |
| Formatted Capacity | 4.55 GB |
| Disks | 5 |
| Heads | 9 |
| Cylinders | 4811 |
| Sectors | Variable |
| Buffer Size | N/A |
| Average Seek | 7.9. msec |
| Single Track | |
| Rotation Speed/Avg. Latency | 7200 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
| Notes: | |||||||||||||||||||||||||||||||||||||||
SCSI ID Jumpers at Pin 3-4, 5-6, and 7-8 select the SCSI ID. Each SCSI device on one Host Adapter must have a unique SCSI ID (0-7). SCSI ID0 is the Default.
Interface Termination (W4) Jumper installed at W4 (Default) - The drive provides termination for the interface lines; onboard termination is electrically enabled. Jumper omitted at W4 - The drive does not provide termination for the interface lines; onboard termination is electrically disabled. Terminator Power (W1, W2, W3) Jumper installed at W1 (Default) - The drive provides terminator power. Jumper installed at W2 - The host provides terminator power (via Interface Connector J1A). Jumper installed at W3 - The drive provides terminator power (via J1A) to the SCSI Bus. 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 - Spindle motor start-up is 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 drive is write protected. Jumper omitted at WP (Default) - The drive is not write protected. BUS Parity Check (PTY) Jumper installed at PTY - The drive neither generates nor detects parity. Jumper omitted at PTY (Default) - The drive generates parity and has parity detection enabled. Remote LED Open-collector output - Used to drive a user-supplied LED to indicate the drive is active. |
