Epson ActionDesk 4000 Specifications

Also see for ActionDesk 4000: User guide User guide Product information guide Product support bulletin

Contents

EPSON ActionDesk 4000+ActionDesk 4000+ System speedThe following diagrams illustrate the outside of theActionDesk 4000+ system.powerbutton/Memorydiskette drive reset buttonmonitor cable ROMAC outlet MOUSE PARALLELComputer SpecificationsCPU and Memory32-bit CPU Intel 486SX, DX, or DX2 processorupgradable to faster, more powerfulprocessors, including the PentiumOverDriveGreen PCEnergy saverEnergy Star compliant (using less than30 Watts) with a low-power standby modefor the hard disk drive and the videosignals the computer sends to the monitor;time periods selectable in SETUPVideo RAMShadow RAMMemoryrelocationCacheMathcoprocessorClock/calendarControllersVideoDisketteFast and slow speeds available as describedin the table below; speed selection throughkeyboard commands or jumper settingAt fast speed, DX2/50 and DX2/66processors run internally at 50 and 66 MHz,but run externally at 25 and 33 MHz; localbus speeds for DX2 processo rs are 25 and33 MHz, respectively4MB RAM standard on a SIMM;expandable to 64MB using 1MB, 2MB,4MB, 8MB, 16MB, and 32MB SIMMs(when available); SIMMs are tin-plated(preferably), 72-pin, 32-bit or 36-bit,fast-page mode type with access speed of70ns or fasterPhoenix system BIOS, video BIOS, andSETUP code located in 128KB EPROM onmain system board1MB DRAM on main system board;expandable to 2MB using two ZIP chipsSupports shadowing of system and videoBIOS ROM into RAMSupports relocation of 256KB of memoryfrom A0000h to BFFFFh and D0000h toEFFFFh to extended memory8KB of internal cache on the CPU;supports 64KB, 128KB, or 256KB ofexternal cache using 28-pin, 8 x 8, 20nsDIP chips or 28-pin, 32 x 8, 20ns DIP chipsMath coprocessor built into DX, DX2, andPentium OverDrive processorsContained in the 82C491 system controllerchip along with 64 bytes of CMOS RAMbacked up by a soldered NiCadrechargeable batteryCirrus Logic GD5428 high speed local bussuper VGA local bus controller with TrueColor supportController on main system board supportsup to two diskette drives or one diskettedrive and one tape drive12/93 EPSON ActionDesk 4000+ - 1