Bedienungsanleitung Epson 486DX2,486SX

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EQUITY 486DX2/50 PLUS
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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
interrupts.. ............. 486DX2/50 & 486SX/25 PLUS-3
I/O Port Addresses ............... & 486SX/25
Jumper Settings
................... .486DX2/50 & 486SX/25
SIMM lnstallation
.................. .486DX2/50 & 486SX/25
Hard Disk Drive Types
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EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS Controllers Supports up to two drives in any of four Diskette formats: 5%inch, highdensity, 1.2MB; 5%inch, double-density, 360KB; 3%inch, highdensity, 144MB; or 31h-inch, double-density, 720KB; also supports optional Epson tape drive; controller on main system board Hard disk Supports up to two half-height drives; embedded IDE controller; interface on main system board Interfaces VGA adapter with 1MB DRAM (video Monitor memory) built into main system bo

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EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS Serial Port Connector (CN4) Keyboard Detachable, two position, 101/102 (country- dependent) sculpted keys Layout 58-key QWERTY main keyboard; 17-key numeric/cursor pad; 10 cuxsor keys; additional Pkey cursor pad; 16 function keys (user-definable) Function Four levels (normal, shift, control, alternate); user-definable Serial Port Connector Pin Assignments Environmental Requirements ~ -330 to It -330 to 39600 n (-100 to 3000 m) (-100 to 3600 m) (-100 to

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EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS VGA Connector Pin Assignments I/O Port Addresses (continued) Slgnal 4 1 OF1 : Reset math coprocessor 1 Red 1 - Math 2 I Green 10 sync Return I ! 3 1 Blue 11 11 i 176 1 Hard dtsk controller secondary i Contlguratlon ‘4 / Unused / register unlock port 1 5 / Ground 1 sync I Hard controller pnmary 3 Red Return 14 Sync 200 - 207 1 Game 7 Green Return 15 ’ unused 6 Blue Return 278 - 27F ~ Printer port 2 and 27F are unused) i unlock - 1 Serial

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EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS Jumper settings for base memory SIMM configurations memory Jumper JP13 Bank 3 Total memory Jumper JP14 Bank1 Bank2 640KB A ~ A’ AMMM 1 512KB IA / !B II4 MM M KKKK I’ * Factory ! MMMM ~ mtalled MB SIMM Jumper settings for extended memory T&d 1 Jumper Jumper Jumper i Jumper memory ! JP12 ! ~ 4MB B 0 B 0 A i B B A A Hard Disk Drive Types 1 QMB A A A !B , I A 0 A !A IA The following table lists the types of hard disk drives you can use 12MB A A A

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EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS Hard disk drive types (continued) Setup Sadorr Rcomp Landing stm Drnanarnd - When installing a hard disk drive, be sure to consult the Tvpono Cylindm Hmk (tic) WRom) me (al MB) mmulactuar drive type table for the drive type parameters (geometry) 36 -nserved- which fit the drive you are installing. You can also select a 37 a3 116 134 ! mn ~ 202 Conner cP3204F type with parameters having lesser values, as long as they Imn / 547 81 ~ canMrcP2048 I38 548 18