Epson 486DX2,486SX manual

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- informations concerning technical data of Epson 486DX2,486SX
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Table of contents for the manual

  • Page 1

    EQUITY ® 486DX2/50 PLUS EQUITY ® 486SX/25 PLUS Product Information Guide Quick Reference Computer Specifications ...... .486DX2/50 & 486SX/25 PLUS-1 Connector Pin Assignments .486DX2/50 & 486SX/25 PLUS-2 DMA Assignments ................. 486DX2/50 & 486SX/25 PLUS-3 Hardware interrupts.. ............. 486DX2/50 & 486SX/25 PLUS-3 I/[...]

  • Page 2

    EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS Computer Specifications CPU and Memory 32-bit CPU System speed System memory ROM Shadow RAM Math coprocessor Cache controller Cache RAM Clock/calendar 25 MHz system: 804865X processor, 50 MHz system: 80486DX2/50 processor 25MHzregardlessofCPU;for80486DX2/50, 50 MHz speed is internal only; 8 MHz speed is si[...]

  • Page 3

    EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS Keyboard Serial Port Connector (CN4) Layout Function Detachable, two position, 101/102 (country- dependent) sculpted keys 58-key QWERTY main keyboard; 17-key numeric/cursor pad; 10 cuxsor keys; additional Pkey cursor pad; 16 function keys (user-definable) Four levels (normal, shift, control, alternate); us[...]

  • Page 4

    EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS VGA Connector Pin Assignments Phi Slgnal Pin SIgnsI 1 Red Video 4 Key 2 I Green Vrdeo 10 ! sync Return 3 1 Blue Vrdeo 11 1 1 Reserved I I/O Port Addresses (continued) ‘4 / Unused ii2 Reserved 5 / Ground 113 1 Honzontal sync 3 Red Return 14 Vertcal Sync 7 Green Return 15 ’ unused 6 Blue Return DMA Chann[...]

  • Page 5

    EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS Jumper settings for base memory Base memory Jumper JP13 Jumper JP14 640KB A ~ A’ 512KB ,B IA ,256KB !B lB / * Factory setting Jumper settings for extended memory T&d 1 Jumper memory ! JPB $v Jumper Jumper JPlO JPll i Jumper JP12 ! ~ 4MB B 0 B i 6MB 0 A B B ;B A A 1 QMB A !B IB A A I 10MB A !A 0 A , I[...]

  • Page 6

    EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS Hard disk drive types (continued) Sadorr Rcomp Landing stm Drnanarnd Tvpono Cylindm Hmk (tic) WRom) me (al MB) mmulactuar 36 -nserved- 37 a3 116 134 ! mn 1682 ~ 202 Conner cP3204F I38 548 18 138 Imn / 547 81 ~ canMrcP2048 I 39 761 18 39 rme ' I760 I 115 ! CannrCP30104 40 980 1 IO 17 I Malor7OmA I ~~ 1[...]