Appendix A
Specifications
CPU and Memory
32-bit CPU
System speed
Memory
Video RAM
Shadow RAM
Memory
relocation
Cache
Math
coprocessor
Cyrix 486SLC-33 SLC2-50 microprocessor
Fast and slow speeds available; fast speed
is the speed of the microprocessor (see
above), slow speed is 8 MHz; set speed
through keyboard commands or SETUP
2MB, 4MB, or 8MB RAM standard on
SIMMs; expandable to 16MB using 1MB or
4MB SIMMs; SIMMs must be tin-plated,
30-pin, S-bit or 9-bit, fast-page mode type
with access speed of 70ns or faster
128KB Phoenix
®
system BIOS, video BIOS,
and SETUP code located in EPROM on
main system board
At least 512KB DRAM on main system
board; expandable to 1024KB (1MB) using
four 4 x 4 x 256 DIP-type DRAM chips
Supports shadowing of system and video
BIOS ROM into RAM
Supports relocation of 128KB of memory
from A0000h to BFFFFh
1KB of internal cache
Support for Cyrix 83S87-33 or 83S87-25
Specifications
A-1