Data General 6675, 6676, 6756, 6677 Installing And Operating Instructions
Customer Documentation
Installing and Operating the
Cartridge Tape Drive:
Models 6675, 6676, 6677, and 6756
Copyright Data General Corporation, 1992
All Rights Reserved
Printed in the United States of America
Rev. 02, May 1992
Ordering No. 014–001953
014–001953–02
Notice
DATA GENERAL CORPORATION (DGC) HAS PREPARED THIS DOCUMENT FOR USE BY DGC PERSONNEL,
CUSTOMERS, AND PROSPECTIVE CUSTOMERS. THE INFORMATION CONTAINED HEREIN SHALL NOT BE
REPRODUCED IN WHOLE OR IN PART WITHOUT DGC’S PRIOR WRITTEN APPROVAL.
DGC reserves the right to make changes in specifications and other information contained in this document without prior
notice, and the reader should in all cases consult DGC to determine whether any such changes have been made.
THE TERMS AND CONDITIONS GOVERNING THE SALE OF DGC HARDWARE PRODUCTS AND THE
LICENSING OF DGC SOFTWARE CONSIST SOLELY OF THOSE SET FORTH IN THE WRITTEN CONTRACTS
BETWEEN DGC AND ITS CUSTOMERS. NO REPRESENTATION OR OTHER AFFIRMATION OF FACT
CONTAINED IN THIS DOCUMENT INCLUDING BUT NOT LIMITED TO ST ATEMENTS REGARDING CAP ACITY ,
RESPONSE–TIME PERFORMANCE, SUITABILITY FOR USE OR PERFORMANCE OF PRODUCTS DESCRIBED
HEREIN SHALL BE DEEMED TO BE A WARRANTY BY DGC FOR ANY PURPOSE, OR GIVE RISE TO ANY
LIABILITY OF DGC WHATSOEVER.
IN NO EVENT SHALL DGC BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL OR CONSEQUENTIAL
DAMAGES WHATSOEVER (INCLUDING BUT NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELA TED
TO THIS DOCUMENT OR THE INFORMATION CONT AINED IN IT, EVEN IF DGC HAS BEEN ADVISED, KNEW OR
SHOULD HAVE KNOWN OF THE POSSIBILITY OF SUCH DAMAGES.
AV cold, AV Object Office, AV Office, AViiON, CEO, CLARiiON, DASHER, DATAPREP,
DESKTOP GENERA TION, DG/UX, ECLIPSE, ECLIPSE MV/4000 , ECLIPSE MV/6000, ECLIPSE MV/8000,
GENAP, INFOS, microNOVA, NOVA, OpenMAC, PRESENT, PROXI, SWAT , TRENDVIEW, and WALKABOUT
are U.S. registered trademarks of Data General Corporation; and AOSMAGIC, AOS/VSMAGIC, AROSE/PC,
ArrayGUIde, ArrayPlus, AV Image, AV Imagizer Toolkit, AV SysScope, BaseLink, BusiGEN, BusiPEN,
BusiTEXT , CEO Connection, CEO Connection/LAN, CEO Drawing Board, CEO DXA, CEO Light,
CEO MAILI, CEO Object Office, CEO PXA, CEO Wordview, CEOwrite, COBOL/SMART, COMPUCALC,
CSMAGIC, DATA GENERAL/One, DESKTOP/UX, DG/500, DG/AROSE, DGConnect, DG/DBUS,
DG/Fontstyles, DG/GATE, DG/GEO, DG/HEO, DG/L, DG/LIBRARY, DG/UX CLARiiON Manager,
DG/UX Cluster Manager, DG/UX Manager, DG/ViiSION, DG/XAP, DSO, ECLIPSE MV/1000,
ECLIPSE MV/1400, ECLIPSE MV/2000, ECLIPSE MV/2500, ECLIPSE MV/3200, ECLIPSE MV/3500,
ECLIPSE MV/3600, ECLIPSE MV/5000, ECLIPSE MV/5500, ECLIPSE MV/5600, ECLIPSE MV/7800,
ECLIPSE MV/9300, ECLIPSE MV/9500, ECLIPSE MV/9600, ECLIPSE MV/9800, ECLIPSE MV/10000,
ECLIPSE MV/15000, ECLIPSE MV/18000, ECLIPSE MV/20000, ECLIPSE MV/25000, ECLIPSE MV/30000,
ECLIPSE MV/35000, ECLIPSE MV/40000, ECLIPSE MV/60000, FORMA–TEXT, GATEKEEPER, GDC/1000,
GDC/2400, GuardWare, Intellibook, microECLIPSE, microMV , MV/UX, OpStar , PC Liaison, RASS, REV–UP ,
RomMaker, SLATE, SPARE MAIL, SUPPORT MANAGER, TEO, TEO/3D, TEO/Electronics, TURBO/4,
UNITE, and XODIAC are trademarks of Data General Corporation. AV/Alert and Common Sense Connection
are service marks of Data General Corporation.
Installing and Operating the Cartridge Tape Drive:
Models 6675, 6676, 6677, and 6756
014–001953–02
Revision History:
Original Release – March 1990
First Revision – August 1990
Second Revision – May 1992
This manual is an extensive revision of the original manual. Therefore, we have not used
change indicators.
NOTE
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
WARNING
Changes or modifications to this unit not expressly approved by the party responsible for complicance could void the
user’s authority to operate the equipment.
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation. T esting was done with shielded cables. Therefore, in order to comply
with the FCC regulations, you must use shielded cables with your installation.
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the
Radio Interference Regulations of the Canadian Department of Communications.
Le présent appareil numérique n’ émet pas de bruits radioélectriques dépassant les limites applicables aux appareils
numériques de la classe B prescrites dans le Règlement sur le brouillage radioélectrique édicté par le ministère des
Communications du Canada.
Dieses Gerät ist funkentstört nach VDE 0871 Grenzwertklasse B und entspricht den technischen Vorschriften der
DBP–V erfügung 1046/1984.
About This Document
This document explains how to install and operate the Models
drives. Before you begin, find the setting up, expanding, or
maintaining manual for the computer in which you will install the drive. If you are
installing the drive in a mass–storage subsystem, you need the computer manual
and also a copy of the mass–storage subsystem’s installation and maintaining
manual. During the installation procedure, you must refer to the drive–jumpering
rules and drive–mounting instructions contained in one or both of these manuals.
Occasionally, you may need to refer to the operating instructions for the Model
drive. We suggest that you place this drive
manual in the back of the binder that contains the manual for your computer.
Telephone Assistance
If you are unable to solve a problem using any manual you received with your
system, telephone support is available with your hardware warranty and with
Support Plus and Hotline Software Support service contracts. If you are within the
United States or Canada, contact the Data General Customer Support Center (CSC)
by calling 1–800–DG–HELPS. Lines are open from 8:00 a.m. to 5:00 p.m., your time,
Monday through Friday. The center will put you in touch with a member of
Data General’s telephone assistance staff who can answer your questions.
For telephone assistance outside the United States or Canada, ask your Data
General sales representative for the appropriate telephone number .
Avoiding Electrostatic Discharge (ESD)
Damage
The cover(s) and filler panel(s) installed on your equipment protect the electronic
circuits inside the equipment from electrostatic discharge (ESD) damage. However ,
when you remove these covers and filler panels to replace or install subassemblies,
you can inadvertently damage the sensitive electronic circuits in the equipment by
simply touching them. Electrostatic charge that has accumulated on your body
discharges through the circuits. If the air in the work area is very dry, running a
humidifier in the work area will help decrease the risk of ESD damage. You must
follow the procedures below to prevent damage to the equipment.
CAUTION: Read and understand the following instructions before you remove the
cover(s) or panel(s) from the equipment.
• Provide enough room to work on the equipment. Clear the work site of any
unnecessary materials or materials that naturally build up electrostatic charge,
such as foam packaging, foam cups, cellophane wrappers, and similar materials.
014–001953
v
About This Document
• Do not remove replacement or upgrade subassemblies from their antistatic
packaging until the exact moment that you are ready to install them.
• Gather the tools, manuals, an ESD kit, and all other materials you will need
before you remove covers and panels from the equipment. Procedures for
removing subassemblies usually list required materials at the beginning. After
you remove a cover or panel, you should avoid moving away from the work site;
otherwise, you may build up an electrostatic charge.
• Use an ESD kit when handling circuit boards or when touching the electronic
circuits inside the equipment. If you don’t have an ESD kit, you can order one
from Data General. If an emergency arises and an ESD kit is not available,
follow the procedures in the “Emergency Procedures (without an ESD kit)”
section.
• Replace the cover(s) or panel(s) on the equipment as soon as possible so that the
electronic circuits are protected.
• If the equipment has an opening for an optional device (such as a mass–storage
drive), and the device is not installed, make sure a filler panel is installed in the
opening before connecting the equipment to the ac power outlet.
Emergency Procedures (without an ESD kit)
In an emergency when an ESD kit is not available, use the following procedures to
reduce the possibility of an electrostatic discharge by ensuring that your body and
the subassembly are at the same electrostatic potential.
CAUTION: These procedures are not a substitute for the use of an ESD kit. Follow
them only in the event of an emergency.
• Before touching any electronic circuits or boards inside the equipment, firmly
touch a bare (unpainted) surface of the equipment.
• Before removing any replacement or upgrade subassembly from its antistatic
bag, place one hand firmly on an unpainted surface of the chassis, and at the
same time, pick up the replacement or upgrade subassembly while it is still
sealed in the antistatic bag. Once you have done this, do not move around the
room or contact other furnishings, personnel, or surfaces until you have
installed and secured the subassembly in the equipment.
• Remove the subassembly from the antistatic bag, handling printed–circuit
boards by the edges. Avoid touching components and circuits on a
printed– circuit board.
• If you must move around the room or touch other surfaces before securing the
subassembly in the equipment, first place the subassembly back in the antistatic
bag. When you are ready again to install the subassembly repeat these
procedures.
• Order an ESD kit from Data General for the next time you need to add or
remove a cover or panel.
vi
014–001953
Installing the Drive
This section explains how to install the Models 6675, 6676, 6677, and 6756
half–height 1/4–inch cartridge tape drives in a Data General computer or
mass–storage subsystem that uses the small computer system interface (SCSI).
Table 1 highlights the specifications for the cartridge tape drive and removable tape
cartridge. Refer to the information in this table as needed.
Table 1 Specifications for the Cartridge Tape Drive and Removable Tape
Cartridges
Cartridge Tape Drive
Interface SCSI-1
± 12Vdc(±5%) .50 A (maximum)
+5Vdc(±12%) .90 A (maximum)
Power Dissipation
± 12 V dc 15.0 W
+5Vdc 3.1W
Weight 1.36 kg (3 lbs)
Removable Tape Cartridge
Format
QIC-24
1
2
Capacity Tape Speed
60 Mbytes 90 ips
QIC-120 125 Mbytes 90 ips
QIC-150 150 Mbytes 90 ips
QIC-320 320 Mbytes 120 ips
QIC-525 525 Mbytes 120 ips
1
The actual format imposed on a blank tape depends on which size cartridge tape you use. When
you write to QIC–24 or QIC–150 tapes, a QIC–150 format is imposed. When you write to
QIC–320 or QIC–525 tapes, a QIC–525 format is imposed. If you want to use a QIC–320 tape to
transfer data from this stand–alone cartridge tape drive to a 150–Mbyte tape drive, you must
first write to the QIC–320 tape from the 150–Mbyte tape drive to impose the correct format.
2
Read only.
NOTE: The environmental specifications for the cartridge tape drive meet or exceed those of the
Data General computer or mass–storage subsystem in which you install this cartridge tape
drive. Refer to your Data General computer or mass–storage subsystem installation manual
for the environmental specifications.
Prerequisites
Make sure that the system in which you will install the drive meets the following
hardware and software requirements.
014–001953
1
Loading...