Epson 386SX/20 PLUS manual

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Table of contents for the manual

  • Page 1

    EQUITY 386SX/20 PLUS Computer Specifications CPU and Memory CPU System memory ROM Shadow RAM Cache controller CacheRAM Math coprocessor (0pti-u CkXk/Cd~dar Controllers Diskette 80386sx microptocgsor, 20 MHZ system dock speed, 20 MHz or simulated 8 MHz proceaor sped, selectable through software or keyboard command 0 wait state memory access speed at[...]

  • Page 2

    EQUITY 386SX/20 PLUS Keyboard Detachable, two p&tioQ 101 Sculpted keys Layout S&key QWERTY main keyboard; 17-key numeric/curso r pad; 10 cursor keys; additional Ckey curso r pad; 16 function kep (user-definable) Fwtion Four levels (normal, shift, control, alternate); userdetinable Environmenti Requirement s fnofb I I Physical Characteristic[...]

  • Page 3

    EQUITY 366SX/20 PLUS VGA Connector (CN-3) VGA Connector Pin Assignments Pin SW pm slorul 1 Red V&o Q Key 3 Green VI&O 10 Svrc Return 3 Blue vld00 11 Reserved 4 Unused 12 Resarvd 5 GfOWld 13 Honzoflt0l sync 6 Red R6turn 14 vertid s)nc 4 7 ~GreanFWum 15 1 Unused 6 IBluaRdum I I Hardware Interrupts I CTRLl I clRt2 I FLlNcrloN 1 IRQO Tif?U3fOUl[...]

  • Page 4

    EQUITY 386SX/20 PLUS SIMM lnstallation The sockets are labelled as shown below. If an option card is blocking access to the SIMM sockets, remove the option card(s). Hold the SIMM so the component side is facing the computer’s back parAandthemetalconnec torpinsarefaciqdown component3 Installing Memory Modules ~erearesixSTMMsocketronthemainsystem~d[...]

  • Page 5

    EQUITY 386SX/20 PLUS Hard disk drive types (continued) Installation / Support Tips Notes: 1. Minhaibe 8425F, Seagate ST125 2. connercP-3044orMiniscn~acl5L4canbeusedastype17 3. For Western Digital ESDI HIX or Drive Maker default setting 4. Micropolis 1325, Ataal3C85, Lanstor La&I, Maxtor xT1065, Newbury NDRlOS5 5. Micropolis 1323A, Miniscribe 30[...]

  • Page 6

    EQUITY 386SX/20 PLUS Mouse and Keyboard - When attaching the mouse and keyboard connectors, be careful to attach them to the proper connectors. Although they are physically identical, they are not interchangeable. Inst a lling Floppy Disk Drives - When installing a floppy disk drive as drive B, remember to set the drive select jumper to the second [...]