Appendix A
Specifications
CPU and Memory
CPU
System speed
Memory
ROM
Video RAM
Shadow RAM
Clock/
calendar
Cyrix SL-enhanced CX486DX2
microprocessor; includes built-in math
coprocessor, 8KB of internal cache, and
power management features; cache can be
enabled or disabled using the SCU
Maximum speed and low speed (12 MHz)
available; speed selection through
keyboard commands
4MB or 8MB RAM standard on the system
board; expandable to 8MB, 12MB, or 20MB
using a 4MB, 8MB, or 16MBmemory
m o d u l e
128KB Flash ROM device containing the
system and VGA BIOS and System
Configuration utility code
512KB DRAM supports resolutions up to
640 x 480 in 256 colors on the color LCD
and up to 1024 x 768 in 16 or 800 x 600 in
256 colors on an external monitor
Supports shadowing of 128KB of system
and video BIOS ROM into RAM
Real-time clock, calendar, and CMOS
RAM; backed up by internal battery
Specifications
A-1