Epson NX Product Information Guide - Page 1

EPSON NX power (SPEED) light ahacrcdesdsislkight diskette drive power button bay for hard disk, diskette, tape, CD-ROM, or other drive 115mo V A C s w i t c h . option card slots rI t - // 1 Computer Specifications CPU and Memory 32-bit CPU 4DX2/66: Intel i486DX2,66 MHz microprocessor; supports future Intel OverDrive processors 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 we ROM Video RAM Shadow RAM Cache VirtualCache Math coprocessor Clock/calendar 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 Controllers Video DiSk&te Hard disk 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 Interfaces Monitor Parallel Serial 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 co~ectors 6/30/93 EPSON NX-1