Sun Microsystems SPARCstation 20, Service Manual

Page: 30 / 266

6 SPARCstation 20 Service Manual • July 1996
Software Requirements
TABLE 1-1
lists the various system configurations and the corresponding software
requirements.
Internal Options
TABLE 1-2
lists the internal options of the SPARCstation 20 system.
TABLE 1-1
SPARCstation 20 System Configurations and Software Requirements
Configuration Software Requirements
Basic System Solaris
‘
1.1.1 Version B software environment
(SunOS
‘
4.1.3_U1 Version B) or later Solaris 1.x releases Solaris 2.3
(SunOS 5.3) software environment and Solaris 2.3 Supplement,
Revision B, or later Solaris 2.x releases
Multiprocessor
versions Solaris 2.3 (SunOS 5.3) software environment and Solaris 2.3
Supplement, Revision B, or later Solaris 2.x releases
Systems
configured with
VSIMMs Solaris 2.3 (SunOS 5.3) software environment with Solaris 2.3
Supplement, Revision B, or later Solaris 2.x releases
TABLE 1-2
Internal Options
Option
Quantity
(max.)
Description
SBus card 4 System board contains four SBus slots, 32-bit-
wide data bus, 25-MHz bus speed
MBus module 2 Provides additional microprocessor modules, 64-
bit-wide data bus
Hard disk drive 2 Supports up to two 3.5-inch, 535-Mbyte or 1.05-
Gbyte 2.1-Gbyte (formatted), single-connector
disk drives
SunCD 2Plus 1 Internal, double-speed, 644-Mbyte CD-ROM
drive
SunCD 4 1 Internal, quad-speed, 644-Mbyte CD-ROM drive