Sun Microsystems SPARC classic - Product Description; System Unit

1-1
CHAPTER
1
Product Description
This chapter presents an overview of the major components of the SPARCclassic,
SPARCstation LX systems, and the SPARCclassic X terminal. Acquaint yourself with
the overview before servicing and maintaining the hardware for these products.
■ Section 1.1 “System Unit”
■ Section 1.2 “Monitors, Keyboard, and Mouse”
■ Section 1.3 “External Storage Devices”
■ Section 1.4 “System Interconnections”
The SPARCclassic or the SPARCstation LX systems also can have an external storage
device or other small computer system interface (SCSI), serial, or parallel port
devices attached. The SPARCclassic X terminal software does not currently support
external devices.
1.1 System Unit
The heart of the SPARCclassic and SPARCstation LX systems is the system unit,
which contains the following components:
■ Main logic board (MLB)
■ Internal hard disk drive
■ Internal diskette drive (optional)
■ Power supply
FIGURE 1-1 and FIGURE 1-2 show the front and rear panels of the system unit.