Decstation Base System - DEC DECstation 316+ Service Manual

1–2 Overview
As a node on a Personal Computing System Architecture
(PCSA) network, the DECstation is the user's interface with
the applications and services that the PCSA family of products
provides. As part of a network, the DECstation communicates
with other computers on the network and shares the various
resources and services offered by Digital computers and servers.

1.2 DECstation Base System

The DECstation base system unit consists of the following:
• CPU board with:
— 16 MHz 80386 processor (DECstation 316
— 20 MHz 80386 processor (DECstation 320
— 25 MHz 80386 processor (DECstation 325
— 33 MHz 80386 processor (DECstation 333
— 25 MHz i486 processor (DECstation 425
— 32 Kilobyte cache memory (DECstation 325
— Socket for optional math coprocessor
• Main logic board containing:
— 0K Memory Adapter (containing 1 Mbyte of RAM,
minimum)
— Serial and parallel ports
— PS/2-type mouse port
— Intelligent Drive Electronics (IDE) drive connector
— Six 16-bit expansion slots for industry standard options
(usable as 8-bit slots also)
• 200 watt power supply with auxiliary power output (IEC)
connector
• 3.5 inch 1.44 Mbyte diskette drive
+
)
+
)
C
)
C
)
C
and 333 )
C C