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'!I., I?;' , '-. ,1# ( 4355 International Blvd 1 Norcross, Ga 30093 1 (.04) 923-6666 TWX 81()-766-4915 (OUADRAM NCRS) Quadcolor™I Operation Manual Ouadcolor I Operations Manual Before attempting to Install Ouadram's Ouadcolor' read this operations manual thoroughly. Should you 6Kpefl8nce difficulty either In the installation O( operation 01 the board. contact your local computer dealer for aSSIS lance. c Copyright 1984 by Ouadram Corporation. All Rights Reserved CONTENTS PAGE INTRODUCTION 1 Quadcolor I 1 The Quadcolor I Package 2 Struclure of the User's Manual 3 INSTALLATION 4 Opening the PC 4 Inserting Quadcolor I 7 Cabling Quadcolor I 8 OPERATION 10 OPERATIONAL DESIGN 11 Major Block Definitions 12 6845 CRT Controller 12 110 Registers 12 Display Buffer 12 Character Generator 13 Timing Generator 14 Wait State Generator 14 Composite Color Generator 14 Address Decoders 15 MODES OF OPERATION 16 Text 16 Medium Resolution Graphics 20 High Resolution Graphics 23 6845 CRT Controller 24 Mode Control Register 26 Color Select Reg ister 28 Status Register 29 Clear Light Pen Strobe 30 Set Light Pen Strobe 30 Quadcolor I Register 31 Character Generator 33 T IPS & TECHNIQUES 39 Alternate Bank Selection Technique 39 Fast Memory Accessing 40 WARRANTY PROVISIONS J5 Description 40 Alternate Character Set Uses 42 The Ouadram Corporation warrants thiS product to be In good work Third Medium Resolution Palette 42 In9 order lor a period alone year from the dale of purchaseasa new product Shoulo thiS product fa.llo perform properly any lime within IBM Technical Reference Manual 43 thaI one year penod Ouadram Corporation Will . at li S option. repair Bank Swapping 43 or replace thiS product at no cost except as sel forth In thiS warranty Replacement parts 'or products Will be furnished on an exchange baSIS only Replaced parts and or products become the property of TABLES Ouadram Corporation No warranty IS expressed or Implied for prod Table 1: 256 Character Set 17 ucts damaged by aCCldenl . abuse. mIsuse. nalural or personal dlsas TabTe>ble 2. Text Memory Allotment 18 ler or unauthOrized modification Table 3: Summary of Available Colors 18 warranty service described herein may be obtained by delivering Table 4: Memory Mapping for the thiS product. dUring the one year warranty period. to any authorized First Page of Display Memory Ouadram Deater or to Ouadram's Factory Service Center located in 80 Column Mode 20 at 4355 IntI. Blvd., Norcross. Georgia, 30093. Whether delivering Table 5: Color Table 21 to a Dealer or to the Factory. product must be accompanied by proof of purchase date. If shipped by U.S. Mail or any common Table 6: Medium Resolution Color Sets 21 carner. owner agrees to insure and accept all liability for loss or Table 7: Medium Resolution Graphics damage to this product, to prepay all shipping charges. and to use Storage Map 22 shipping container equivalent to original packaging. Table 8: 6845 Program Parameters 25 Table 9: Contents of the Mode Control Register 27 Table 10: IBM " A" Dot Pattern 34 Table 11 : Custom " A" Dot Pattern 37 FIGURES Figure 1: Rear Panel of the IBM Personal Computer 5 Figure 2: Sl iding the Cover Off the PC Chassis 6 Figure 3: Cabling to a Monitor 8 Figure 4: Cabling to a light Pen 9 Figure 5: Medium Resolution 21 Figure 6: High Resolution Pixel Format 23 Figure 7: Pin Numbers for J6 35 Figure 8: Connections to J6 35 Figure 9: J3 Pin Assignments 41 WARRANTY LIMITATIONS Perlod.c updates Of changes to thiS malenal WIll be made In new AU warranties for this product expressed or Implied. including mer editionS of thiS publication. chantabllny and htness for a purpose, are limited to a one year durallon from date of purchase. and no warranties. expressed or RequeS1s for dealer information. comments or other IllqulfIes may Implied, will apply after thai period be addressed to: Ouadram Corporation 4355 InU BJvd , Norcross Georgia 30093 Ouadram Corporation has no obligation to return or If this product does not perform as warranted herein owner's sole hold confidential any matenal or Informallon you supply unless remedy shall be repair or replacement as provided above In no event arrangements are made pursuant to Ouadram's receipt of said will Ouadram Corporation be liable to any purchaser for damages .n lormatlon. losl revenue. 10SI wages. losl savmgs. or any other mCldenlal or consequent,al damages ariSing from purchase. use or Inability to use thiS product, even .f Ouadram has been adVised of the POSSibility of such damages INTRODUCTION Quadcolor I Ouadcolor I is a plug-in enhancement board for the IBM PC and PC XT. Using it along with a color d isplay screen, Ouadcolor I greatly enhances the graphics capabilities of your Personal Computer. Among the advantages of Ouadcolor r is the fact that it is hardware and software compatible with the PC. With most other color graphic cards you must first install special software into the system before using any of the card's features. But Ouadcolor I works with the software already in the PC. Additionally, Ouadcolor I offers twice the memory found on IBM's color graphics card: 32K of RAM. This lets you store two complete pages of data in graphics mode and up to 16 pages in text mode. You can also create the affect of animation by using a simple BASIC command to instantly swap visual pages. Another advantage Quadcolor I offers is that it allows for the use of two true colors in high Check to make sure that the board has not been resolution mode. Instead of black and white. you damaged in any way. And be sure that the jumpers can now make the foreground and the background located on the center of the board (see figure 3) are each one of the sixteen colors normally available in place. only in text mode. If your Quadcolor looks damaged. or if any parts Display memory on the Quadcolor I can be are missing. contact your local retailer as soon as accessed at any time by the microprocessor without you can. He will be happy to replace anything that causing glitches on the screen. Quadcolor I will also is missing. support a light pen for fully controlled graphics work and contains a connector for an RF modulator so you may use the card with a standard NTSC color television set. Structure of the User's Manual Quadcolor I is easy to use. Reading this manual will The Ouadcolor I Package make it a little easier. It;s structured so you can get the board up and running in your system In no time. One nice th ing about using Quadcolor in your Each of the three sections gives you a little more In system is that it is very "system-friendly". There is depth information on the board. no special software to install. no new commands to learn. The board is compatible with the Section II concerns itself with installing the Personal Computer. The entire Quadcolor I package Quadcolor I in your PC. Section III and IV give consists of just two parts: the Quadcolor I printed operational details concerning the use of the circuit board and the operations manual. Quadcolor board. For many users these sections might be considered optional reading. (Since the When you first get the Quadcolor home from your board works so closely with the PC you may wish to retail store, open it to make sure both parts are simply plug Quadcolor in and ignore it, treating it there. (Of course, since you are reading th is right just like the I BM color graphics adapter). But if you now. we know the operations manual was not left wish to take advantage of the unique characteristics out.) of Quadcolor I. you will find the necessary information here. The last section - section V - is for your reference. 2 3 With the jumper in place, you can now begin the INSTALLATION installation process. With the power off and all power cables disconnected, the PC cover is easy to Opening the PC remove. First, you should remove the keyboard cable from the back panel plug. And, if your system Ouadcolor I is easily installed in your PC system. already has one, you should remove your monitor You need only remove the computer's chassis cable, too. This will give you a little working room. cover. snap the card into one of the available Next, turn the computer around so that the rear expansion slots, cable the Ouadcolor according to panel is facing you as shown below. your system configuration, then reinstall the cover and turn the PC on. A ll you will need for this operation is a standard screwdriver and a little patience. WARNING: Before opening the Personal Computer make sure all power has been turned off to the C=> computer and all power cords have been disconnected from any power source you are using. o Installing expansion cards in the PC with power on ~ --=-=--=-=--C=-.l .. B could result in damage to the PC or the expansion card. Now that you are ready to begin, let's make sure the Figure 1 Rear panel of the IBM Personal Computer Ouadcolor is ready, too. To make sure of this you need only check one thing. As illustrated below With a small standard screwdriver loosen the two (figure 3, page 8) there is a set of jumpers towards screws found on the lower corners of the rear panel. the center of the Ouadcolor. Before the board can These are marked A and B in figure 1.