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present (OS31, OSlO, OS25, or other), the first disk
drive of each type should be as close to the CPU as
possible.
The 979A magnetic-tape transports should be
mounted in the top of a 1.78-metre (70-inch) cabinet.
This is most convenient to the operator. Also,
standard Texas Instruments maintenance rates
assume this mounting for maintenance access.
The OS31-disk and floppy-disk drives are front-
loaded and should be mounted at the top of desk-
height enclosures or near the center of 1.78-metre
(70-inch) racks. Oesk or rack mounting is preferred
over tabletop mounting for the floppy-disk drive.
Appendix H
DS990 System Kit Contents
This appendix consists of a series of tables that
describes the basic OS990 system kits, including
hardware, software, and manuals. These tables do
not include part numbers. For additional
information, refer to the 990 Computer Family
Catalog.
Table 26 gives a description for each of the basic
OS990 systems. Variables in this table are the
OS990 model number (Model 4, Model 6, or Model
8 System), enclosure type (single-bay, double-bay,
single pedestal, or 1.78-metre (70-inch) cabinet),
primary power (100 V, 50 Hz or 100 V, 60 Hz or
115 V, 60 Hz or 230 V, 50 Hz) and version
(hardware/ software or hardware only).
Table 27 is a consolidated parts list for OS990
Model 4 Systems. Table 28 is a consolidated parts
list for Model 6 and Model 8 Systems. Table 29 is a
consolidated parts list for the OS99O Model 4
Commercial System. Table 30 is a consolidated parts
list for the OS990 Model 6 and Model 8
Commercial Systems.
Each system contains a software package. The
software package for hardware/software versions
contains all software and hardware documentation,
OXI0 operating-system software on the appropriate
disk cartridge or disk pack, and blank disk
cartridges or packs. The software package for
hardware-only versions contains all hardware
documentation, limited software documentation, and
blank disk cartridges or packs. Tables 31 and 32 list
the contents of these two packages. Note that the
tables describe only the basic system complement
(excluding options such as COBOL, FORTRAN,
BASIC, RPG II, OBMS 990, and Pascal).
Software options are described in table 33. This
table gives the software licenses and specifies the
media on which· the object code is supplied.
81
Ownership and all rights (except those granted under
the license agreement) are retained by Texas
Instruments .. Hardware options are given in table 34.
For additional information, refer to the 990
Computer Family Price List.
Appendix I
Equipment Specifications
Table 35 is a summary of standard OS990
equipment specifications that are relevant to site
preparation and planning. Oata supplied by the table
includes
(1)
input ac-power requirements (root-mean-
square (RMS) magnitude, frequency, and power
consumption), (2) air-conditioning data (heat
dissipation, operating temperature range, and
operating humidity range), and (3) physical planning
data (weight, chassis dimension, and cable length).
Required physical clearances for equipment access
and unobstructed cooling air flow are described with
the enclosure options. Figure 37 summarizes these
space requirements.
Appendix
J
P~cking
and Shipping
Basic OS990 systems are shipped with the desk-
mounted equipment installed. Texas Instruments
shipping requirements for these systems specify the
use of "air-ride" vans for domestic shipping. The
rugged packing crate/shipping pallet used for OS990
systems is shown in figure 38. Oimensions and
weights are noted on the figure. Internal
arrangement of the packing crate is shown in figure
39 (single-bay desk) and figure 40 (double-bay desk).
An Open Me First packet is attached to the
exterior of each OS990 desk-system crate. The
contents of this packet should be carefully read
before the crate is unpacked. Contents of the packet
include
(1)
DS990 Installation and Service-Request
Information Sheet,
(2)
Digital Systems Division Field
Service Brochure,
(3)
DS990 Desk Enclosure System
Unpacking / Installation Procedure, and (4) reminder
of the customer's legal responsibilities with respect to
Texas Instruments licensed software.
The packing of separate disk drives can vary
because the vendor's packing is used. Figures 41 and
42 are typical packing configurations for a rack-
mounted disk drive and a pedestal-mounted disk
drive, respectively. The shipping weight is
approximately 91 kilograms (200 pounds) for the
OSlO disk drive and 127 kilograms (280 pounds) for
the OS25/ OS50 disk drive. The shipping weight with
the pedestal is 181 kilograms (400 pounds) for the
OSlO disk drive and 191 kilograms (420 pounds) for
the DS25/ OS50 disk drive.
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