Appendix A Specifications; Cpu And Memory - Epson EL 33 User Manual

Appendix A
Specifications

CPU and Memory

32-bit CPU
Internal cache
System speed
Memory
ROM
video RAM
ShadowRAM
Math
coprocessor
Cyrix Cx486SLC, 33 MHz microprocessor
with 16-bit data bus
1KB built into microprocessor
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
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
64KB system BIOS, video BIOS, and
SETUP code located in EPROM on main
system board
256KB DRAM on main system board;
expandable to 512KB or 1024KB using
70ns or 80ns 44256 DIP chips
Supports shadowing of system and video
BIOS ROM into RAM
Optional Cx83S87-33 coprocessor available
Specifications A-1