Sun Microsystems SPARCstation 4, Service Manual

Page: 26 / 190

1-6 SPARCstation 4/Xterminal 1 Service Manual • January 1995
1.2 Internal Options
TABLE 1-1
lists the internal options for a SPARCstation 4 system.
TABLE 1-2
lists the internal options for a SPARC Xterminal 1 system.
TABLE 1-1
Internal Options—SPARCstation 4 System
Option Quantity Comments
Audio Module 1 System board provides a connection for one
Audio Module for recording and playing audio.
SBus card 1 System board provides one SBus slot for
additional system functionality.
Hard disk drive 1 System supports one disk drive mounted on the
system board. See Chapter 9 “, for more
information.
CD-ROM drive 1 Internal CD-ROM drive.
Diskette drive 1 Internal diskette drive for diskette I/O.
DSIMMs Up to 5 System supports up to 160 Mbytes of memory.
VSIMM 1 System board provides an expansion slot for a
1-Mbyte VSIMM for high-resolution graphics
(1280 X 1024).
TABLE 1-2
Internal Options—SPARC Xterminal 1 System
Option Quantity Comments
SBus card 1 System board provides one SBus slot for
additional system functionality.
DSIMMs Up to 4 System supports up to 128 Mbytes of memory.
VSIMM 1 System board provides an expansion slot for a
1-Mbyte VSIMM for high-resolution graphics
(1280 X 1024).