SONY SDX-420, SDX-520 User Manual
AIT Drive
User’s Guide
4-658-215-03(1)
SDX-420 Series
SDX-520 Series
2000 Sony Corporation
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All rights reserved. No part of this
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The information contained in this
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VORSICHT
Diese Ausrüstung erfüllt die
Europäischen EMC-Bestimmungen für
die Verwendung in folgender /
folgenden Umgebung(en):
• Wohngegenden
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(Diese Ausrüstung erfüllt die
Bestimmungen der Norm EN55022,
Klasse B.)
Contents
Introduction .......................................4
Product Features........................4
Precautions ................................5
Installation .........................................6
Jumper Setting...........................6
Option Switches (DIP Switch) ..7
Mounting Holes........................8
Remodeling from 5.25" Model
to 3.5" Model .......................10
Orientation...............................10
Operation .........................................11
Location of 3 LEDs ................. 11
LED Indication for
Drive Status .........................12
Drive Operation.......................13
Emergency Tape Removal
Procedure .............................14
Interface Implementation.................17
Supported ATA Commands ....17
Supported ATAPI Packet
Commands ........................... 17
Specification ....................................18
Product Specifications.............18
Third Party Support Contacts
(In the USA) ...............................20
Sony Contacts .................................. 22
2
SDX-420/SDX-520 Tape Drive
The Sony SDX-420/SDX-520 series drive is a high capacity data storage
device using Advanced Intelligent tape (AIT) technology. The SDX-420
series/SDX-520 series drive achieves high data reliability through ReadAfter-Write, an additional level of Error Correction Code, and other
features.
The Sony SDX-420 series/SDX-520 series drive stores data on tape using a
standard format called AIT (Advanced Intelligent Tape) and ALDC
formats.
3
Introduction
Product Features
SDX-420 series SDX-520 series
Data Capacity
Transfer Rate
(sustained)
* Assuming a 2.6 : 1 compression ratio.
(The compression ratio varies according to the type of data.)
• Supported Format : AIT-1 (SDX-420 series)
• Burst Transfer Rate 66 MB/s Ultra DMA (mode 4)
• Large 10 MB Buffer Memory
• 3.5” Standard Height, 5.25” Half Height
• ATA/ATAPI-5 Interface
• Support Fixed Record Length Only
• Frame Rewrite Function
• Three levels of Error Correction Code (ECC)
• High Speed search (120 times normal Read/Write speed)
• Random Read, Append Write
35 GB uncompressed 50 GB uncompressed
(with AIT-1 230 m tape) (with AIT-2 230 m tape)
91 GB compressed* 130 GB compressed*
(with AIT-1 230 m tape) (with AIT-2 230 m tape)
4 MB/s uncompressed 6 MB/s uncompressed
: AIT-1, AIT-2 (SDX-520 series)
4
Precautions
Installation
Avoid placing the drive in a location subject to:
– high humidity
– high temperature
– mechanical shock and vibration
– direct sunlight
Operation
• Do not move the drive while it is operating. It may cause malfunction.
• Avoid exposing the drive to sudden changes from a low to high in
temperature. This may cause water condensation to collect inside the
drive. If the ambient temperature should suddenly rise while the drive is
turned on , wait at least one hour before turning on the drive. If you
attempt to operate the drive immediately after a sudden increase in
temperature, a malfunction may occur.
• Turning off the power to the drive while it is writing to tape may cause
the tape to become unreadable. All previously negotiated parameters will
be lost, whenever power to the drive is cycled.
Transportation
• Keep the original packing materials to facilitate transportation of the
drive.
• Always remove the tape before moving the drive. After removing the
drive from the computer, repack the drive into its original packing.
5
Installation
Jumper Setting
IDE Interface Connector
Master
Slave
Cable Select
No Connection
Jumpers Drive Setting
Master
Slave
Cable Select
Power Connector
4 3 2 1
5V GND GND 12V
6
Option Switches (DIP Switch)
DIP Switch Positions
DIP Switch
ON
12345678
1 Reserved (OFF)
2 Reserved (OFF)
3 Reserved (OFF)
4 Reserved (OFF)
5 Reserved (OFF)
6 Reserved (OFF)
7 DC Control (1) (ON)
8 DC Control (2) (OFF)
Data Compression Control DIP switch
Data compression can be selected by DIP switches. Data compression is
enabled while position 7 [DC Control (1)] is ON. Control by host can be
disabled when position 8 [DC Control (2)] is ON.
7
Mounting Holes
For 3.5" Standard Height (SDX-420C, SDX-520C)
95.5 mm (3.76 in)
155.0±0.5 mm (6.10±0.02 in) 7.6±0.5 mm (0.30±0.02 in)
94.0±0.3 mm (3.70±0.01 in)
101.6±0.5 mm (4.00±0.02 in)
7.0±0.5 mm (0.28±0.02 in)
5.53±0.5 mm
(0.218±0.02 in)
3-M3 (depth
2.5 mm (0.10 in) max.)
6-M3 (depth
2.5 mm (0.10 in) max.)
70.0±0.3 mm
(2.76±0.01 in)
42.0±0.3 mm
(1.65±0.01 in)
31.0±0.3 mm
(1.22±0.01 in)
90.0±0.3 mm (3.54±0.01 in)
21.0±0.3 mm
(0.83±0.01 in)
8.45 mm (0.333 in)
60.0±0.3 mm (2.36±0.01 in)
5.0±0.3 mm
(0.20±0.01 in)
41.2±0.5 mm
(1.62±0.02 in)
7.4±0.5 mm
(0.29±0.02 in)
8
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