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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