video RAM
Shadow RAM
1MB VRAM on main system board
Automatic shadowing of system and VGA
BIOS ROM into RAM; shadow RAM
address control selectable through SETUP
Cache
8KB
of internal cache (built into the
microprocessor); cache testing and address
control selectable through SETUP
Visual cache
Epson proprietary VirtualCache feature
automatically creates a “virtual cache”
buffer the size of maximumsystem
memory
Math
On 4Dx2/50 and 4Dx2/66 systems, math
coprocessor
coprocessor built into the microprocessor
Clock/
Real-time clock, calendar, and CMOS
calendar
RAM socketed on main system board;
separate battery backup
controllers
Video
Diskette
Hard disk
Chips and Technologies Wingine VGA
controller on main system board; provides
resolutions up to 1024 x 768
Controller on main system board supports
up to two diskette drives or one diskette
drive and one tape drive
Interface on main system board supports
up to two IDE hard disk drives with
built-in controllers
A-2
Specifications
Summary of Contents for Equity 4
Page 1: ...EPSON User s Guide ...
Page 2: ...FCC COMPLIANCE STATEMENT FOR AMERICAN USERS ...
Page 12: ...Glossary index xi ...