Appendix A

Specifications

CPU and Memory

32-bit CPU

Intel or AMD 80386SX, 33 MHz

 

microprocessor with 16-bit data bus

System speed

High and low speeds available; high speed

 

is 33 MHz, low speed is 8 MHz; speed

 

selection through SETUP program and

 

keyboard commands; zero wait state

 

memory access at high speed; wait states

 

of zero or one selectable through SETUP

Memory

2MB or 4MB RAM standard on SIMMs;

 

expandable to 16MB using 256KB, 1MB,

 

and 4MB SIMMs; SIMMs must be 30-pin,

 

fast-page mode type with 70ns or faster

 

access speed

ROM

64KB system BIOS, video BIOS, and

 

SETUP code located in EPROM on main

 

system board

Video RAM

256KB DRAM on main system board;

 

expandable to 512KB or 1024KB using

 

70ns or 80ns 44256 DIP chips

Shadow RAM

Supports shadowing of system and video

 

BIOS ROM into RAM

Math

Optional 80387SX, 33 MHz coprocessor

coprocessor

available

Specifications A-l