Epson NX Інформаційний посібник про продукт
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hard disk
power (SPEED)
access
light
bay for hard disk, diskette, tape,
CD-ROM, or other drive
Computer Specifications
CPU and Memory
32-bit CPU
microprocessor; supports future Intel
System speed
High, low, and automatic speeds
available; high speed is CPU-dependent
(66 MHz), low speed is simulated 8 MHz,
automatic speed switches from high to
low only for diskette drive access; speed
selection through SETUP, keyboard
command, or ESPEED program; 0 wait
state memory access at high speed
Memory
20MB standard (4MB DRAM soldered on
main system board and one 16MB SIMM);
expandable using lMB, 4MB, 16MB, or
64MB SlMMs to 128MB maximum on
main system board; SlMMs must be 70 ns,
36-bit, 72-pin, gold-leaded, fast-page mode
diskette
light
drive
option card slots
.
1
ROM
button
Video RAM
Shadow RAM
Cache
VirtualCache
Math
coprocessor
Clock/calendar
Controllers
Video
Hard disk
Interfaces
Monitor
Parallel
Serial
6/30/93
128KB ROM containing system BIOS and
video BIOS; 64KB ROM containing SETUP
code
2MB video RAM on main system board
Automatic shadowing of system and VGA
BIOS ROM into RAM; shadow RAM
address control selectable through SETUP
8KB of internal cache (built into the
microprocessor); cache testing and address
control selectable through SETUP
Epson proprietary VirtualCache'" feature
automatically creates a "virtual cache"
buffer the size of maximum system
memory
Built into the microprocessor
Real-time clock, calendar, and CMOS
RAM on main system board; separate
battery backup
Chips and Technologies Wingine'"
P64200 VGA controller on main
system board; provides resolutions
of up to 1024 x 768 x 64K colors or
1120 x 832 x 64K colors, depending on
the available drivers
Controller on main system board supports
up to two diskette drives or one diskette
drive and one tape drive (DOS only)
Interface on main system board supports
up to two IDE hard disk drives with
built-in controllers
VGA interface built into main system
board for analog or multifrequency VGA
monitor; 15-pin, D-shell connector
One standard 8-bit parallel, bidirectional
interface built into main system board;
port assignment and I/O address
selectable through SETUP; 25-pin, D-shell
connector
Two RS-232C, programmable,
asynchronous interfaces built into main
system board; port assignment and I/O
addresses selectable through SETUP;
9-pin, D-shell
EPSON NX
EPSON NX-1