ACER SDX-400C User Manual
AIT Drive
User’s Guide |
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CT |
SDX-400C
This document contains proprietary information which is protected by copyright.
All rights reserved. No part of this document may be photocopied, reproduced or translated to another language without prior written consent of Acer.
The information contained in this document is subject to change without notice.
Acer MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS DOCUMENT.
Acer shall not be liable for error contained herein, indirect, special, incidental or consequential damages in connection with the furnishing, performance or use of this document.
VORSICHT
Diese Ausrüstung erfüllt die Europäischen EMC-Bestimmungen für die Verwendung in folgender / folgenden Umgebung(en):
•Wohngegenden
•Gewerbegebiete
•Leichtindustriegebiete
(Diese Ausrüstung erfüllt die Bestimmungen der Norm EN55022, Klasse B.)
Contents |
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Introduction ....................................... |
4 |
Product Features ........................ |
4 |
Precautions ................................ |
5 |
Installation ......................................... |
7 |
SCSI Connection/Setting the |
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SCSI ID ................................. |
7 |
Option Switches (DIP Switch) .. |
8 |
Mounting Holes ........................ |
9 |
Remodeling from 5.25" Model |
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to 3.5" Model ....................... |
11 |
Orientation ............................... |
12 |
Operation ......................................... |
13 |
Location of 3 LEDs ................. |
13 |
LED Indication for Drive |
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Status ................................... |
14 |
Drive Operation ....................... |
15 |
Emergency Tape Removal |
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Procedure ............................. |
16 |
Interface Implementation ................. |
19 |
Supported SCSI Messages ...... |
19 |
Supported SCSI Commands .... |
19 |
Specification .................................... |
20 |
Product Specifications ............. |
20 |
Acer Contacts .................................. |
22 |
2
SDX-400C Tape Drive
The SDX-400C drive is a high capacity data storage device using Advanced Intelligent tape AIT (Advanced Intelligent Tape) technology. The SDX-400C drive achieves high data reliability through Read-After- Write, an additional level of Error Correction Code, and other features.
The SDX-400C drive stores data on tape using a standard format called AIT and ALDC formats.
GB
3
Introduction |
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Product Features |
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SDX-400C * |
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Data Capacity |
35 GByte capacity (with AIT-1 230 m tape) |
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(approximately 70 GByte to 105 GByte with Data |
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Compression) |
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Transfer Rate (sustained) |
4 MByte/sec |
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(approximately 8 MByte/sec to 12 MByte/sec with |
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Data Compression) |
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* Data compression function is available with SDX-400C.
•Supported Format : AIT-1 (Not support AIT-2 format)
•Burst Transfer Rate
–12 MBytes/sec Asynchronous
–40 MByte/sec Synchronous
•Large 10 M Byte Buffer Memory
•3.5” form factor, 5.25” from factor
•Embedded SCSI Interface
(ULTRA/WIDE and LVD/SE (single-ended) model (SDX-400C))
•Supports Variable or Fixed Record Length
•Supports SCSI Disconnection/Arbitration
•Frame Rewrite Function
•Three levels of Error Correction Code (ECC)
•High Speed search (120 times normal Read/Write speed)
•Random Read, Append Write
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
Notice of SCSI Termination
The SDX-400C conforms to the Microsoft PC97 standard which requires the internal (naked) drive to be terminated with an external terminator.
Microsoft PC97 SCSI requirements
SCSI peripherals must not terminate the bus. Both internal and external cable ends are instead terminated by plug-in connectors.
Host Computer Wide SCSI
68p cable
Terminator
This drive
Exapmle of SCSI set-up
6
Installation
SCSI Connection/Setting the SCSI ID
SCSI ID
SCSI ID |
P.D. N.C. 3 2 1 0 |
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0
1
2
3
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5
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11
12
13
14
15
SCSI 68pin Connector |
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Jumpers |
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Power Connector |
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4 |
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2 |
1 |
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5 V |
GND GND 12 V |
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Parity Disable |
No Connection |
SCSI ID 3 |
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SCSI ID 2 SCSI ID 1 |
SCSI ID 0 |
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Parity |
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Disable |
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Enable |
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Note : |
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= CLOSED/Jumper |
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= OPEN/Jumper not |
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installed |
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Don’t care |
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Parity Disable Jumper
Parity check function can be disabled by Jumper. Parity check is disabled while left end jumper is installed. Parity generate function is always enabled.
7
Option Switches (DIP Switch)
DIP Switch Positions
ON
1 2 3 4 5 6 7 8
DIP Switch
1Reserved (OFF)
2Reserved (OFF)
3Reserved (OFF)
4Reserved (OFF)
5Terminator Power (ON)
6Reserved (OFF)
7DC Control (1) (ON)
8DC 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.
8
Mounting Holes
For 3.5" Standard Height (SDX-400C)
34.3 ±0.5 mm [1.35"±0.02"]
21.465 mm [0.85"]
15.6 ±0.5 mm [0.61"±0.02"]
SDX-400C
9911
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34.75 mm |
19.48 mm |
0.57.6± mm 0.02"][0.3"± |
[1.37"] |
[0.77"] |
92.71 mm |
4.7 ±0.5 mm |
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[0.19" ±0.02"] |
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[3.65"] |
8 mm |
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[0.31"] |
6-M3 (depth 2.5mm [0.10"] max.)
6-M3 (depth 2.5mm [0.10"] max.)
0.5 mm ±0.02"] |
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mm0.342± 0.01"][1.65"± |
0.370± [2.76" |
mm0.390± 0.01"][3.54"± |
0.360± [2.36" |
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155± |
[6.1" |
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0.01"]± |
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mm |
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0.01"]± |
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mm |
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31 ±0.3 mm [1.22" ±0.01"] |
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38.4 mm [1.51"] |
mm |
0.02"] |
[3.7" |
±0.01"] |
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0.01"]± |
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94 ±0.3 mm |
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mm |
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7.4±0.5 |
[0.29" |
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21 ±0.3 [0.83" |
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[4" |
±0.02"] |
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[0.2" ±0.01"] |
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± |
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101.6 ±0.5 mm |
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5 ±0.3 mm |
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41.2 ±0.5 mm [1.62" ±0.02"]
63.8 mm [2.51"]
9
For 5.25" Half Height (SDX-400C/R)
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15.6 ±0.5 mm |
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[0.61" |
±0.02"] |
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SDX-400C/R |
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0101 |
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21.465 mm |
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0.5±mm 0.02"]± |
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[0.85"] |
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0.5± mm |
0.02"]± |
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[1.37"] |
[0.77"] |
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34.75 mm |
19.48 mm |
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7.6 |
[0.3" |
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92.71 mm |
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34.3 |
[1.35" |
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[3.65"] |
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4-3M |
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4-M3 |
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6-M3(depth 2.5mm (0.10") max.) |
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155.0 ±0.5 mm [6.1" ±0.02"] |
0.3 mm ±0.01"] |
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79.2 ±0.3 mm |
[3.12" ±0.01"] |
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± |
[2.76" |
0.3mm ±0.01"] |
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70.0 |
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± |
[1.65" |
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42.0 |
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±0.3 mm |
±0.01"] |
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47.5 |
[1.87" |
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9.9 ±0.5 mm |
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0.01"] |
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0.331.0±mm 0.01"][1.22"± |
94.0 |
±0.3 mm |
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[0.39" |
±0.02"] |
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[3.7" |
±0.01"] |
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0.3 14.4 ± |
[0.56" |
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± |
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21.8 ±0.5 mm |
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101.6 ±0.5 mm |
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[0.86" |
±0.02"] |
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[4" |
±0.02"] |
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139.6 ±0.5 mm |
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[5.5" |
±0.02"] |
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149.0 ±0.5 mm |
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[5.87" |
±0.02"] |
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4.7 ±0.5 mm [0.19" ±0.02"]
8 mm [0.31"]
P |
P |
P |
P |
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±0.3 mm |
±0.01"] |
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79.2 |
[3.12" |
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P |
P |
P |
P |
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±0.3 mm |
±0.01"] |
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47.5 |
[1.87" |
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38.4 mm [1.51"] |
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41.2 ±0.5 mm [1.62" ±0.02"]
0.3 mm |
±0.01"] |
62.4 ± |
[2.45" |
10
Remodeling from 5.25" Model to 3.5" Model
You can remodel the SDX-400C/R (5.25" model) to the SDX-400C (3.5" model) yourself.
1
2
Remove the 2 screws for each side rail.
Take the side rail off.
Side Rail (L)
Side Rail (R)
11
Orientation
10° 10° |
10° 10° |
10° |
10° |
10°
10°
12
Operation
Location of 3 LEDs
There are three LED indications (BUSY,TAPE and STATUS) and an EJECT button on the front panel of the unit.
Front Panel (for 3.5" Standard Height)
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Advanced |
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Intelligent |
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Tape |
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BUSY |
TAPE |
STATUS |
BUSY |
TAPE |
STATUS |
13
LED Indication for Drive Status
The LED indicators are defined as follows.
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LED |
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State |
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BUSY |
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TAPE |
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STATUS |
Activity |
Cartridge |
Other |
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None |
None |
None |
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SCSI |
None |
None |
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Drive |
Loading/Unloading |
None |
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Drive |
Loading/Unloading |
Write Protected |
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None |
Loaded |
Cleaning Tape at EOM |
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None |
Loaded |
None |
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SCSI |
Loaded |
None |
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SCSI/Drive |
Loaded |
None |
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Independent |
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Loaded |
Write Protected |
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Independent |
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Independent |
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Loaded |
Error Rate Warning |
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Cleaning Request |
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Self test Failure |
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Waiting for Reset |
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Waiting for Eject |
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: Not defined.
off 1 pulse (3.5 sec on / 0.5 sec off)
on
1 pulse (0.25 sec on)
2 pulses (0.25 sec on/0.5 sec off)
1 pulse (0.25 sec on / 0.25 sec off)
14
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