Castle SCSI User Guide
Contents
1. 3 6 Internal devices in the RISC PC The RISC PC is able to take a number of 544 and 3 2 drives Gaining access to the inside of the Risc PC is covered in the section headed Interface installing Risc PC 1 Having gained access to the inside of the Risc PC the section slice that the device is to be mounted in has to be removed 2 Remove all interface cabling to existing peripherals and lift the section clear from the Risc PC 3 Remove the blanking facia from the slot where the SCSI device is to be placed Exploded RISC PC showing CD ROM mounted intemally 4 Remove the new SCSI device from the packaging 5 Ensure that the terminators are fitted to the SCSI device if the SCSI device is at the end of the SCSI cable 6 Ensure that a suitable ID is chosen and set for the SCSI device see device leaflet 7 Turn the Risc PC s slice upside down and slide the SCSI device up till the front two mounting holes locate over the nipples provided Locate the two rear fixing holes and the SCSI devices corresponding fixing threads and secure the SCSI device using the mounting screws provided 8 Fit the 50 way SCSI cable and 4 pole power cable from Risc PCs power supply to the SCSI device 9 Refit all the cables amp interfaces etc to the Risc PC ensuring that the SCSI interface is placed so that the data cable does not foul 10 Refit the lid and other peripherals and connect to the mains 11 The hardware installat2. Acorn PhotoCD Sample Application Page 41 CD ROM user guide Page 42 CASTLE TECHNOLOGY CD ROM user guide PHOTOVIEW 12 Introducing PhotoView PhotoView is a PhotoCD sample application which allows you to access the images on a PhotoCD disc Using PhotoView to view and manipulate an image you can choose the display resolution of the selected image rotate the image through 0 90 180 and 270 flip the image in the vertical plane prior to rotation export the image in a choice of image formats save the image or a selected area or the image in a choice of image formats 12 1 Installing PhotoView on your hard drive To install PhotoView on your hard drive 1 Create a new directory called SampleApp on your hard drive and open it by double clicking on it 2 Place the SCSI and CD ROM Utilities disc in your floppy disc drive This disc is supplied with both the Acorn SCSI Card and the Acorn CDFS upgrade kits 3 Click on the floppy disc drive icon on the icon bar to display the root directory of the Utilities disc 4 Drag the PhotoView icon into the SampleApp directory on your hard drive 5 Remove the floppy disc from the drive You can now run PhotoView from your hard drive 12 2 Starting PhotoView To run PhotoView from your hard drive double click on the PhotoView icon in your hard drive SampleApp directory The PhotoView icon will appear on the icon bar 12 3 Loading the contact sheet The contact sheet
3. BAT file your PATH should include the pathnames below in the order given PATH C C DOS F Hard drive users PATH A A DOS F Floppy drive users Of course your PATH may also include other pathnames you have previously added sis CASTLE TECHNOLOGY Pa ge 27 CD ROM user guide 7 USING CD ROM DISCS You can use CD ROM drives either with CD ROM discs formatted for use with RISC OS or with CD ROM discs produced to run under MS DOS For the latter you will need a copy of PC Soft to get full benefit 71 1 Using CDFS CDFS appears to the user very much like ADFS all the usual RISC OS Filer commands are available although you cannot of course save to a CD ROM If a write command is made to the CD ROM drive an error message will be displayed To open a directory display on a CD ROM which has been inserted in the drive click on the CD ROM drive icon on the icon bar The contents of the CD ROM will be displayed by the RISC OS Filer RISC OS directory displays can be opened for PC CD ROMs PC file names are translated to a format compatible with the RISC OS environment You can view text files using Edit in the same way as usual and use ChangeFS see page 18 to convert a wide range of graphics images to RISC OS sprites which you can then view using Paint However to run the programs included on such discs you will need to use PC Soft see Reading PC format CD ROM discs using PC Soft below 7 1 2 If you are not using C
4. ROM filing system as the current filing system CDFS CDSpeed CDSpeed displays or sets the read speed of the given CD ROM drive CDSpeed drive speed Configure CDROMBuffers Configure CDROMBuffers sets the configured amount of memory reserved for CD ROM buffering maximum 512K Configure CDROMBuffers sizeK Configure CDROMDrives Configure CDROMDrives sets the configured number of CD ROM drives recognised at power on Configure CDROMDrives n Eject Eject ejects the disc from the given CD ROM drive Eject drive Lock Lock locks the disc in the given CD ROM drive disabling the Eject button Lock drive Play Play plays from the specified audio track to the end of the disc in the given CD_ROM drive Play track drive PlayList PlayList lists the tracks whether audio or data on the disc in the given CD ROM drive together with their start time and the total CD time PlayList drive PlayMSF B s i ss CASTLE TECHNOLOGY Page 37 CD ROM user guide PlayMSF plays a piece of audio from the disc in the given CD ROM drive The start and stop times are specified in minutes seconds and frames from the start of the disc PlayMSF mins secs frames mins secs frames drive Stop Stop stops playing the disc in the given CD ROM drive Stop drive Supported Supported lists the drive types recognised by CDFS Supported Unlock Unlock re enables the Eject button on the given CD ROM d
5. Technology interfaces use the same type of socket as the parallel printer port Connection of a standard printer cable to the SCSI port WILL CAUSE DAMAGE to the interface Please be careful to avoid this On the rear panel of the SCSI interface there will be an external connector designed to take an external device A3000 with externally connected CD drive To connect the external SCSI device 1 Ensure that the Termination and ID of the SCSI device is set correctly please see paragraphs headed SCSI IDs and Termination above for more details 2 Switch off your computer and connect one end of the cable to the SCSI interface and the other end to SCSI device 3 Plug in the mains lead and switch on the SCSI device and then the computer sis Page 13 CASTLE TECHNOLOGY SCSI user guide 3 4 Internal SCSI devices in the Archimedes One internal device can be fitted inside an Archimedes computer A310 A410 A540 This device can be one 3 2 or smaller size and fits beside the floppy disc drive Replacement front panels are available for those who wish to have externally accessed devices such as Syquest removable drives To fit a 3 2 device proceed as follows 1 Remove the lid of the computer as described above 2 Remove any interfaces etc and then the backplane 3 Fit the drive into the carrier supplied with drive and carefully fit it into the slot between the fan and the floppy drive 4 Connect the 50 way data cable to
6. at the rear A3000 remove the screw located under the A3000 in the centre in a recessed hole and then locate and remove the two screws securing the fixing devices to the rear Press the tags in and lift the lid up slightly from the rear Free the lid from the three front tags by using a flat screwdriver to prise them apart 3 Remove the plastic A3010 amp A3020 amp metal blanking panels found at the rear of the computer by sliding them upwards A3010 amp A3020 or unscrewing the two screws at each side A3000 4 Remove the interface card and 2 metal screws the A3010 amp A3020 need these screws from the packaging Note Use the conductive bag that the kit came in to place the interface on This reduces the risk of static damage 5 Place the SCSI interface card over the interface card sockets with the panel facing the rear of the computer Then with the pins located over the sockets push the interface card firmly downwards so that the pins enter and locate into the sockets A30x0 WITH COVER REMOVED Plastic blanking panel A3010 amp A3020 only Expansion card sockets Metal blanking panet Keyboard 6 Refit the lid the opposite to above 7 The hardware installation is now complete Please see section headed SCSI software A CASTLE TECHNOLOGY Page 6 SCSI user guide 2 3 Installing an SCSI interface into an A4000 1 Disconnect your computer from the mains and detach all peripherals
7. by typing at the command line CDFS CDDevices see page 25 It is not advisable to keep switching CDPlayer from one drive to another using the Setup window This operation should only be performed when CDPlayer is first started If you need to control more than one drive you should start the CDPlayer application as many times as you require and change each copy s setup individually before use 8 3 Quitting CDPlayer To quit the CDPlayer application choose Quit from its icon bar menu ei ea Page 32 CASTLE TECHNOLOGY 9 CHANGEFSI ChangeFSI is a useful program for converting and displaying image files of various formats These images can then be converted into sprites for viewing with RISC OS applications such as Paint In case you re wondering ChangeFS stands for Change Floyd Steinberg Integer ChangeFS1 performs Floyd Steinberg error diffusion dithering You should make sure that your conversion and subsequent use of an image does not infringe on any copyright that the image may be under ChangeFSI provides the ability to read scale the data to improve the picture change the x and or y size sharpen the picture and write the result using error diffusion dithering in one step so it provides the best possible quality All operations are carried out with 32 bit fixed point numbers three per pixel in the case of a colour picture 9 1 Using ChangerFSI ChangeFS is supplied on floppy disc Before using the application you sho
8. from the computer 2 Locate the 4 screws that fix the lid to the base of the A4000 these are found underneath the computer and remove the screws 4 screws fixing the lid to the A4000 N 3 Grasp the lid firmly and slide it towards the rear of the computer so that it comes free 4 Remove the metal blanking panel found at the rear of the computer by unscrewing the two screws at each side A4000 WITH COVER REMOVED Expansion card sockets Metal blanking panel 5 Remove the interface card from the packaging Note Use the conductive bag that the kit came in to place the interface on This reduces the risk of static damage hd Page 7 CASTLE TECHNOLOGY SCSI user guide 6 Place the SCSI interface card over the interface card sockets with the panel facing the rear of the computer Then with the pins located over the sockets push the interface card firmly downwards so that the pins enter and locate into the sockets 7 Refit the lid as described in the computer s Welcome Guide and switch on the computer 8 The hardware installation is now complete Please see section headed SCSI software du CASTLE TECHNOLOGY Page 8 SCSI user guide 2 4 Installing an SCSI interface into an A5000 1 Disconnect your computer from the mains and detach all peripherals from the computer 2 Locate the 4 screws that fix the lid to the base of the A5000 these are found underneath the computer and remove the screws 4 screws f
9. into a Risc PC ADDING SCSI DEVICES Termination SCSI ID s External SCSI devices Internal SCSI devices in the Archimedes Internal devices in the A5000 Internal devices in the RISC PC SCSI CONFIGURATION AND SOFTWARE Setup SCSI Devices window SCSI Disc Management window Harddisc Formatting window Devices Configuring your computer manually SCSI from the desktop Debugging INTRODUCTION CONFIGURING THE COMPUTER Setting up PC Soft to read CD ROM discs Loading PC Soft Loading the MS DOS CD ROM support software Recommended changes to configuration files USING CD ROM DISCS Using CDFS If you are not using CDFS Reading PC format CD ROM discs using PC Soft Performance limitations VGA images Sound Windows CDPLAYER The Keypad window D 2 gq oO POONA www 000 wm m 9o 90 90 Der DD pu jan Dr en Cv Le NNN wie 9 2 4 9 2 5 9 2 6 9 2 7 9 2 8 9 3 10 10 1 11 11 1 11 2 12 12 1 12 2 12 3 12 4 12 5 12 6 12 7 Other program play functions The Keypad window Other program play functions Notes on playing programs The Setup window Quitting CDPlayer CHANGEFSI Using ChangeFSI Picture formats ChangeFS in more detail Menu options Scaling options Processing options Output options Reprocess Fast Save Choices Quit Image menu USING THE COMMAND LINE Configuring CD ROM drives from the command line Altering the default configuration of your system under PC Soft
10. loss or damage whatsoever arising and howsoever caused in relation to your use of the Software or your inability to use the Software except to the extent that such liability may not be lawfully excluded 10 You acknowledge that all intellectual property rights used or embodied in or in connection with the Software shall be and shall remain the sole property of Castle Technology and or the owner General 11 This Licence shall be construed in accordance with and governed by the laws of England and Wales e a iei CASTLE TECHNOLOGY Page 4 7 CD ROM user guide Page 48 CASTLE TECHNOLOGY
11. the drive 5 Locate and fit the archimedes s spare power supply connector to the drive the power lead is attached to the archimedes s power supply Refit the backplane interfaces and lid and proceed to the section headed Configuring your computer siao CASTLE TECHNOLOGY Pa ge 14 SCSI user guide 3 5 Internal devices in the A5000 The A5000 is able to take two extra 3 2 devices One mounted internally and the other also mounted internally but also accessible from the outside useful for Syquest removable drives etc These drives are mounted underneath the installed 32 floppy drive Comer section of A5000 showing fitted floppy drive and positioning of Ist amp 2nd 3 2 devices 1 To fit a drive into an A5000 remove the lid as detailing in Interface Installation A5000 above 2 Remove the backplane and drive carrier bracket by unscrewing the single screw found in the middle of the carrier and lift upward 3 To fit a drive in position Drive 1 fix it in place with the screw provided 4 To fit a drive in position Drive 2 place the drive over the pre punched holes in the bottom of the A5000 case and secure the drive with the fixing screws provided 5 Connect the data cable supplied with the interface and power cables attached to the A5000 s power supply 6 Refit the drive carrier and lid and connect the power 7 The hardware installation is now complete Bu Page 15 CASTLE TECHNOLOGY SCSI user guide
12. 4 will counteract the general dither blurring A value of 20 is noticeably sharp Values down to nine can be selected 9 2 4 Output options The Output options control the screen mode the picture is created for Scaling Processing 25 3204 LA Node POLO e Ory Reprocess Fast MATE Save Choices Ez Use current node Quit L_ ignore pixel aspect The 1 2 4 8 buttons represent the screen colours that you can use The numbers represent bits per pixel 8 bits represent 256 colours 4 bits represent 16 colours 2 bits represent 4 colours and 1 bit represents 2 colours The square box represents the square pixel modes and the oblong box represents the non square modes The actual output mode chosen is displayed in the mode box Use current mode outputs the image for display in the current mode Ignore pixel aspect disables all pixel size information and assumes both source and output pixels are square Monochrome and Colour give an image in black and white or colour Special allows the use of special file suffixes These are explained fully in the on line documentation file FSIInfo a CASTLE TECHNOLOGY Page 35 CD ROM user guide 9 2 5 Reprocess This option reads the file in again and processes it according to any new options you have set 9 2 6 Fast This option speeds up the processing of the image by blanking the screen during processing 9 2 7 Save Choices This option will save any changes you have made to t
13. DFS CDFS claims some memory each time you power on your computer If you are not using CDFS and need this extra memory you can disable CDFS by typing unplug CDFS Unplug CDFSDriver Unplug CDFSFiler and then resetting your computer When you need CDFS again you can reinstall the three modules by using RMRelnit for each one in a similar way and then rebooting 7 1 3 Reading PC format CD ROM discs using PC Soft Place a CD ROM disc in the drive and type EF or whatever drive letter your CD ROM drive is configured as You can now access PC format discs in the normal way Consult the guide that comes with each title for information on playing CD ROM discs Do not try to access a CD ROM through RISC OS including via CDPlayer and through PC Soft at the same time An Page 28 CASTLE TECHNOLOGY CD ROM user guide 7 2 Performance limitations 7 2 1 VGA images Version 1 6 and 1 7 of the Acorn PC Emulator the old name for PC Soft do not fully support the VGA Bios EGA is a partial implementation of VGA but some VGA images on PC format CD ROM discs cannot be displayed fully The title screens of some discs are designed to be displayed in VGA mode so such discs may not start off very well This does not however necessarily mean that the rest of the disc cannot be read correctly Often the application will continue of its own accord or require Space or Retum to be pressed In some cases the lack of VGA support will prevent
14. DING SCSI DEVICES All Acorn 32 bit RISC computers can have a variety of SCSI devices attached The A30x0 range are limited to having mostly external devices as there is limited expansion room inside the computer except for an internal 22 IDE hard drive This section looks at connecting a variety of SCSI devices to your computer A total of seven SCSI devices can be attached to any one of Castle Technology s SCSI interfaces Where room allows up to 4 interfaces can be fitted giving the user the potential to connect up to 28 different SCSI devices 3 1 Termination The subject of SCSI bus termination is frequently a source of great confusion so some definitions are needed SCSI bus this refers to all the data cables connecting your SCSI devices and interface together both inside and outside the computer Devices and interface are daisy chained together one after another with a series of cables SCSI device this refers equally to any SCSI unit e g hard disc or scanner and the SCSI interface When connecting SCSI devices together it is important that each end of the SCSI bus is terminated using specific terminator units plugs or terminators fitted on SCSI devices Normally terminator packs are fitted to or electronic terminators are enabled on the first and last SCSI devices on the SCSI bus Devices between the two MUST have their terminator packs removed or electronic terminators disabled If a SCSI device has cabling arriving
15. G SYSTEM USER GUIDE The product described in this manual is subject to continuous development and improvement All information of a technical nature and particulars of the product and its use including the information and particulars in this manual are given by Acom Computers Limited in good faith However Acom Computers Limited cannot accept any liability for any loss or damage arising from the use of any information or particulars in this manual ACORN the ACORN logo and ARCHIMEDES are trademarks of Acom Computers Limited All other trademarks are acknowledged Copyright 990 1991 Next Technology Corporation Limited All rights reserved Copyright 1993 Acorn Computers Limited All rights reserved Published by Acom Computers Limited Page 23 CASTLE TECHNOLOGY SCSI user guide CASTLE TECHNOLOGY Page 24 CD ROM user guide CDFS Note A technical reference manual is available separately 5 INTRODUCTION Thank you for purchasing your new CD ROM drive from Castle Technology Your CD Drive needs to be fitted to your computer see sections above for fitting instructions and requires CDFS Compact Disc Filing System software to make it usable CDFS is licensed from Acorn Computers Ltd and the bulk of this chapter describes CDFS and how to us the CD ROM once it is connected The CDFS sections of this manual were originally created by Acorn but is published by Castle Technology for use by its customers 6 CONFIGUR
16. ING THE COMPUTER The CD ROM Filing System CDFS enables you to access data on a CD ROM from the RISC OS desktop It is usually resident in a ROM on your SCSI expansion card and is loaded automatically when you power on your computer The CDFS icon bar menu enables you to configure your computer to suit the CD ROM system attached to it This section tells you how to configure your computer so that you can use CD ROMs you only need to do so when adding or removing drives For details of how to use CDFS once you have configured it see Using CD ROM discs on page 10 Configuring your RISC OS computer from the desktop To ensure the fastest boot up time the following procedure should be followed 1 Ensure all the peripherals and cables are connected 2 Switch on the monitor then the CD ROM drive The CD ROM drive should always be switched on before the computer 3 Switch on the computer CDFS will look to see if a CD ROM drive is connected 4 The CDFS CD ROM icon will be displayed on the Icon Bar Click on this icon to determine which type of CD ROM is currently held in the drive drawer CD ROM Photo CD or Audio CD 5 To configure the number of CD ROM drives you have attached to your computer click Menu on the CD ROM icon The CDFS icon bar menu will be displayed Dismount igure 9 a 38 IBE Apps et 6 Choose Configure Drives then enter the number of drives connected If only one drive is connected this step may be lef
17. SCSI inc CDFS USER GUIDE for use on all Acorn RISC OS computers o_o e s CASTLE TECHNOLOGY SCSI inc CDFS USER GUIDE for use on all Acorn RISC OS computers except A4 Published by Castle Technology Issue 6th October 1997 SCSI User Guide Copyright 1994 5 6 7 Castle Technology All rights reserved SCSI Copyright 1989 97 Castle Technology All rights reserved CDFS Copyright 1990 1991 Next Technology Corporation Limited All rights reserved Copyright 1993 Acorn Computers Limited All rights reserved All trademarks acknowledged No part of this book may be reproduced by any means without the prior written consent of the copyright holder The only exceptions are as provided for by the Copyright photocopying Act or for the purpose of review Ore Trading Estate Woodbridge Road Framlingham Suffolk IP13 9LL UK es ss 1 CASTLE TECHNOLOGY Telephone Sales 01728 621222 Support 01728 621631 Facsimile 01728 621179 e mail sales castle technology co uk or support castle technology co uk web http www castle technology co uk 6 1 6 1 1 6 1 2 6 1 3 7 1 1 7 12 dal 7 2 1 1 22 7 23 SCSI Contents Introduction Typographical conventions Getting Started INTERFACE INSTALLATION Installing an Interface into an Archimedes Installing a SCSI interface into an A30x0 Installing an SCSI interface into an A4000 Installing an SCSI interface into an A5000 Installing a SCSI interface
18. TECHNOLOGY CD ROM user guide Changing the image s resolution It is a good idea to work with a low resolution image in the desktop and then export at a higher resolution if required The higher the resolution of an image the larger the size of that image and the longer it takes to load and manipulate To change the resolution at which the image will be displayed click on the menu icon to the right of the box containing the current resolution setting Choose the new resolution from the list displayed Changing the image s orientation By default orientation is set to 0 for a landscape image and 90 or 270 for a portrait image To change the orientation at which the image will be displayed click on the menu icon to the right of the box containing the current orientation setting The list of orientations displayed includes four options with which you can flip the image in the vertical plane prior to rotation Choose the new orientation from this list Changing the default palette By default the palette used to generate the image is the default WIMP palette for the current display mode To change the palette click on the menu icon to the right of the box containing the current palette details and choose another palette from the list displayed Enabling and disabling dithering By default dithering during image generation is enabled If you wish to change this setting simply click on the button displaying the current setting Th
19. The device driver MS DOS CD ROM Extensions PHOTOVIEW Introducing PhotoView Installing PhotoView on your hard drive Starting PhotoView Loading the contact sheet Loading an image Displaying the image Quitting PhotoView Troubleshooting Appendix 1 Castle Technology s end user licence conditions 31 31 31 32 32 33 33 33 33 33 34 34 35 36 36 36 36 36 37 38 39 39 39 43 43 43 43 44 45 46 46 47 SCSI user guide SCSI USER GUIDE Note A technical reference manual is available separately 1 1 Introduction Thank you for purchasing a Castle Technology Storm SCSI interface This User Guide covers the installation of interfaces amp devices and the associated configuration of your Acorn computer 1 2 Typographical conventions The following conventions will be used in this guide Applications are referred to using italic type eg lEdit Items that should be typed in by the user are in monospaced type eg Press Insert Specific keys are represented between triangular brackets in Sans Serif type eg Press lt ENTER gt Chapter references are shown in Sans Serif bold for example See chapter headed Specifications 1 3 Getting Started You will need to install a SCSI interface into your computer then fit and connect your SCSI device s Finally before you can use your new SCSI device you will need to set the Configuration options to enable the computer SCSI interface and SCSI
20. Vendor Product Revision 00 Direct access 515 96 Mb CONNER CFA540S OFAE 04 Direct access 219 99 Mb SyQuest EZ230S 6828 07 Host Castle SCSI 16bit I F 2392 Note the Device ID is shown in a different manner here compared to the SCSI Devices window in 4 1 above For example ID 04 shown by Devices is shown as ID 0 4 0 by Setup Device This heading shows the SCSI device s D If one interface is installed in your computer this will range from 00 to 07 2nd interface 08 to OF etc Typically the SCSI interface will have an ID of 07 although this can be altered Other devices will have other IDs Ideally the first hard drive should have the ID 00 this is because the SCSI software will default to Configuring device 00 to SCSI 4 Type This heading reports the type of drive under the following headings for example Direct Access Hard drive removable hard drive Syquest etc Read only CD ROM Scanner Scanning device Processor Other SCSI interface installed in another computer Host Interface installed in users computer Capacity Indicates the size of the media supplied Usually formatting will slightly reduce the available Mega Bytes Mb In the case of a CD ROM the capacity reported indicates the amount of data on the CD Vendor Shows the manufacturer publisher or developer of the SCSI Device Product Reports the product code or name of the SCSI product Revision Reports the revision level of the software installed on the SCSI devic
21. at it BUT not leaving from it it should be terminated all other devices on the bus MUST be un terminated If a terminated SCSI device is removed from the SCSI bus then the resultant SCSI bus MUST again be correctly terminated If there is no device at the physical end of the cable that cable end MUST still be terminated using a terminator pack There are three types of terminator commonly used 1 External terminator packs these are packs with a centronics type 50 way plug or a 25 way D plug which are fitted externally to the rear of SCSI device casings 2 Internal terminator resistor packs these are fitted to the SCSI device and must be removed when the SCSI device is not at either end of the SCSI bus Please see the leaflet supplied with the device for more details some SCSI devices are fitted with DIP switches to power the terminator packs as well as the SCSI IDs 3 Internal active terminators these may be fitted to either SCSI device or SCSI interface They are enabled or disabled either by software control from the computer or by setting a jumper or switch on the device Castle Technology SCSI interfaces have traditionally been fitted with removable terminator packs Castle Technology are moving over to active terminators controlled by software If the card has 2 16 pin sockets normally fitted with light brown or grey chips it has removable terminator packs Otherwise it will have active terminators fitted Active termin
22. ators are controlled with the Setup software see section 4 u CASTLE TECHNOLOGY Page 12 SCSI user guide 3 2 SCSI ID s Each SCSI device must have an unique ID for the SCSI interface it is connected to These IDs range from 00 to 07 higher numbers are reported where multiple SCSI interfaces are used SCSI interfaces are normally ID 07 though this is not vital and any other free ID may be used Other Devices can have any ID from 00 to 06 but no two devices can have the same ID It is important to set the ID of a SCSI device before connecting it to the SCSI interface Full details on how to set the Device ID will normally be supplied with the device Please see the section headed Devices for further details Highest priority is given to the highest numbered ID and lowest to ID 0 Traditionally the highest ID is the Host computer Castle Technology SCSI interfaces default to an ID of 7 for the Host and provide 1 SCSI hard disc icon for a SCSI drive at ID 0 3 3 External SCSI devices External SCSI devices such as CD ROMs hard drives scanners etc can be fitted to all Acorn computers These devices must be fitted in an external case with a suitable power supply fan and connectors The SCSI devices should also have a suitable high quality screened connecting SCSI cable A SCSI interface is required and should be fitted to your computer please contact Castle Technology if you do not have a SCSI interface CAUTION Many Castle
23. aying clicking again shows the time left on the disc clicking again returns to the original display Total tracks time gives the total number of tracks on the CD and its total playing time Display keypad displays the keypad the use of which is described in the next section hai Pa ge 30 CASTLE TECHNOLOGY CD ROM user guide 8 1 The Keypad window Clicking on the triangle icon or choosing Keypad from the CD Player menu will open the Keypad window You can use this window to select which tracks on the CD you wish to hear and in which order you wish to hear them To program the player to play a selection of tracks 1 Click on the first track number you wish to hear and then on MEM The Memory window automatically appears showing the tracks in the program memory 2 Repeat this for any other tracks you wish to add to the program memory 3 Play the tracks by clicking on Play 8 1 1 Other program play functions ALL adds a list of all the audio tracks available on the CD to the program memory RND clears the program memory and creates a randomly ordered list of all the audio tracks to the program memory RPT continuously repeats the tracks in the program memory until you click on the Stop key in the CD Player window If no program has been set the CD instead repeats continuously from start to finish CLR is used to clear the program memory To clear all tracks from the program memory click Adjust on the CLR button T
24. devices to communicate correctly Installing a SCSI Interface and SCSI device is relatively simple provided you have the basic tools a selection of screwdrivers is all that is required However if you feel unable to fit any of the SCSI Devices please contact your local dealer for assistance your dealer may ask for a small fitting charge Alternatively please contact Castle Technology who can provide a full fitting service A quick reference guide is supplied separately to help with the Setup configuration software Various amendment sheets may also be supplied from time to time h 3 Page 3 CASTLE TECHNOLOGY 2 INTERFACE INSTALLATION The following sections cover the installation of a SCSI interface into your computer 2 1 Installing an Interface into an Archimedes A300 or A400 computer 1 Turn off the computer and unplug it from the mains 2 Disconnect the monitor and any other peripherals that are connected 3 Position the computer so that you have ready access to the rear of the computer 4 Locate the 5 screws that fix the lid of the computer and remove them 5 lid fixing screws on the Archimedes computer 5 Remove the lid by sliding it towards the rear of the computer 6 Remove a back panel from the rear of the computer to allow the interface to be inserted into the computer from the rear Note If fitting a hard drive at the same time please refer to drive fitting section of this user guide 7 Locate the backplane i
25. e os As s CASTLE TECHNOLOGY Page 20 SCSI user guide 4 3 Configuring your computer manually Configuring your computer is essential so that it knows what SCSI device to talk to Linking the RISC OS SCSI logical drive to the SCSI ID see Devices above allows the computer to address a particular SCSI device So configuring the computer ensures that the computer talks to the right device at the right time There are four SCSI configuration settings or 5 with active terminators SCSIFSLink SCSIFSLink configures any direct access SCSI device to a known RISC OS logical drive The syntax is a follows Configure SCSIFSLink x y z Where x the RISC OS drive 4 5 6 7 0 1 2 or 3 y the SCSI device ID 00 to 07 z the partition number 0 to 6 So if you wish to configure partition 3 of a SCSI device with an ID of 00 to the RISC OS logical drive SCSI 4 then Press F12 and type Configure SCSIFSlink 4 00 3 lt RETURN gt To remove an icon e g the icon for SCSI 6 then Press F12 and type Configure SCSIFSlink 6 FF lt RETURN gt SCSIFSDirCache The Acorn filing system keeps a copy of the drive s directory map in memory This configuration option specifies the amount of memory reserved for this information On a power reset this is set to 16k on large memory machines a slight speed increase may be obtained using a larger value Eg Configure SCSIFSDirCache 80k lt RETURN gt SCSIFSB uffers Current versions of th
26. e SCSI software do not use this feature This should always be set to zero SCSIFSDrive This option configures the SCSI drive that RISC OS will access by default This is most useful when setting the drive from which the computer will Boot from On a power reset this is set to 4 Eg Configure SCSIFSDrive 4 lt RETURN gt SCSITerm This option configures the SCSI active termination when fitted on or off On a power reset termination is enabled Eg Configure SCSITerm on lt RETURN gt Eg Configure SCSITerm off lt RETURN gt Note All the above Configuration settings will be set only after performing a lt CTRL BREAK gt Current settings can be discovered by pressing the key F12 and typing Status Temporary changes can be made by using the command SCSITermOn or SCSITermOff Bu A5 8 Page 21 CASTLE TECHNOLOGY SCSI user guide respectively 4 4 SCSI from the desktop Once the configuration and formatting have been completed a SCSI Icon will appear on the Icon bar Each Icon will represent a hard drive or partition of a hard drive Clicking on any of the Icons will bring up the Directory viewer for that drive or partition Files directories and applications can be used copied deleted etc in the normal way 4 5 Debugging This section contains a series of commonly asked questions with relevant answers Q I do not have any SCSI discs but there is a SCSI disc icon present how do I remove it A Using Setup click
27. e legend on this button will toggle between a tick and a cross to indicate whether dithering is enabled or disabled 12 5 Displaying the image Set the display options you wish to use bearing in mind that the higher the resolution setting the larger the size of the image and the longer it will take to load and manipulate You can then display the image If at this point you do not wish to continue click on the control window s Cancel button To display the image click on the OK button Once you have displayed the image further options become available via the Image menu To display the Image menu click Menu anywhere within the displayed image window The menu has the following options Image info gives image details extracted from information pressed on the PhotoCD disc at the point at which the disc was pressed If the disc was pressed in a single session the Last Modified box contains a dash otherwise it contains the date when the last session was written If a copyright file is contained on the disc the copyright filename is shown in the appropriate box You can view the copyright information by clicking in the Read Rights button at the bottom of the window If no copyright file is present the Read Rights button is greyed out Save displays a Save box which allows you to save the image as a sprite file appropriate to the current display mode Export displays the Export menu which offers you a choice of formats in which to expo
28. f there is no backplane fitted please contact your local dealer or Castle Technology 8 Remove the SCSI interface from is packaging Insert the SCSI interface from the rear of the computer so that the connector on the interface locates on to the backplane Note To reduce the risk of static damage use the conductive bag that the interface came in to place the interface on m un un CASTLE TECHNOLOGY Page 4 SCSI user guide 9 Secure the interface into the computer by using the screws provided if required a width blanking panels are available free from Castle Technology 10 If fitting an internal SCSI device fit the 50 way ribbon cable to the interface ensure that the cable is attached the correct way round pin 1 the stripe on the ribbon cable is clearly indicated on the interface card by a white spot or arrow at one end of the connector 11 Replace the lid and screws attach any other peripherals and switch on your computer 12 The hardware installation is now complete Please see section headed SCSI software Page 5 mead ea CASTLE TECHNOLOGY 2 2 Installing a SCSI interface into an A30x0 1 Disconnect your computer from the mains and remove all peripherals inc monitor 2 Remove the lid by removing the fixing screws This will expose the interface card sockets A3010 amp A3020 locate the 3 fixing screw at the front underside of the computer and lift the lid upwards so that the rear of the lid snaps out
29. given on the screen When prompted for a drive letter on which to install this software If you boot DOS from a floppy disc type A When the installation program prompts for your boot disc insert the newly formatted system disc and press Space When you are prompted to insert the disc containing MSCDEX EXE put the CD ROM Support disc back in the drive Tf you boot DOS from a hard drive type the hard drive drive letter typically C When the installation program has finished reboot DOS from your hard drive if you have one or else put your newly created system disc back in the drive and hold down Ctrl and Alt and press Delete to do this During the reboot cycle a message should be displayed on the screen similar to the following MSCDEX Version 2 20 Copyright Microsoft Corp 1986 Drive F Driver CDFSEM unit 0 This indicates that the driver is loaded and the CD ROM drive has been allocated the letter F for access purposes from DOS Your computer will now behave like a PC with a CD ROM drive attached There is a summary of common PC commands in the PC Soft Guide 6 1 3 Recommended changes to configuration files We recommend that you check that the following statements exist in the CONFIG SYS and AUTOEXEC BAT files and amend or add them as necessary as some DOS formatted CD ROM discs require these settings before they can be used In the CONFIG SYS file we recommend you add these lines FILES 20 BUFFERS 20 In the AUTOEXEC
30. he ChangeFSI options so that you can use the options again next time you run ChangeFSI 9 2 8 Quit This quits the application removing it from the icon bar 9 3 Image menu Once your image has been produced you can click Menu over the image to display a menu of information about the input and output image Sprite Info 9 Reprocess Sprite Info gives the information about the Sprite output file Source Info gives the information about the source file Range Info gives you information about the dynamic range of the image Zoom allows you to change the magnification of the image This is not the same as scaling the source image Save Sprite allows you to save the image as a Sprite file Reprocess allows you to process the image again using any options you have changed on the main menu sei saa Page 36 CASTLE TECHNOLOGY CD ROM user guide 10 USING THE COMMAND LINE CDFS Commands CDFS supports all standard RISC OS filing system Commands that do not try to write to disc for details of these see your RISC OS 3 User Guide CDFS also provides some new commands of its own detailed below Many of these commands require an optional drive parameter if you omit this CDFS defaults to using its current drive initially drive 0 CDDevices CDDevices displays all the CD devices connected their product name capacity SCSI ID displayed as device LUN and card and firmware revision CDDevices CDFS CDFS selects the CD
31. ion is now complete A CASTLE TECHNOLOGY Page 16 SCSI user guide 4 SCSI CONFIGURATION AND SOFTWARE Having connected your SCSI device s to the SCSI interface the following checks should be made before the SCSI device s can be used 1 Check whether the SCSI device s has been installed correctly and is responding on the SCSI bus For this use either the Setup application 4 1 below or the Devices command 4 2 below 2 Configure your computer so that the SCSI device s can be used For a hard disc use either the Setup application 4 1 below or the SCSIFSLink option 4 3 below The application Setup is supplied on the SCSI Utilities disc From time to time software is updated new versions can be obtained from our web site at http www castle technology co uk upgrades html 4 1 Setup To run Setup double click the Setup icon on the SCSI Utilities disc A separate Quick Reference Guide is supplied to help navigate the various screens in Setup 4 1 1 SCSI Devices window Clicking on the Setup icon on the icon bar will display the SCSI Devices window This window is also used as the primary SCSI diagnostic tool This window provides a continuously updated display from the Devices command it is also possible to update the Host ID of the SCSI interface and to control the termination of cards with electronic termination Before proceeding further ensure that each device connected to the SCSI interface is shown unique
32. is a PhotoCD directory display which contains a number of thumbnail images A thumbnail is a small representation of an image there is one thumbnail for each image stored on the PhotoCD disc Thumbnails are numbered in order corresponding to the number of the stored image on the PhotoCD disc To open the contact sheet click on the PhotoView icon on the icon bar Alternatively if you have more than one PhotoCD available press Menu over the PhotoView icon bar icon and choose the directory you want from the Source submenu Phe Info gt Source N Auit CFS 8 COFS 1 sei smu CASTLE TECHNOLOGY Page 43 CD ROM user guide The contact sheet for the selected PhotoCD is opened on the desktop 12 4 Loading an image Choose the image you wish to load by clicking on its thumbnail This opens a control window containing the same thumbnail You use the control window to choose image display settings prior to displaying the image itself Within the control window you can set the resolution at which the image will be displayed orientation in which the image will be displayed palette to be used to generate the image use of dithering in the image generation The control window also displays the colour details the colour depth in bpp and the display resolution in dpi of the current display mode Note that you cannot alter the current display mode within the control window A Page 44 CASTLE
33. ives and you use the switch N 2 then only the first two drives will be usable from PC Soft If this switch is not specified then all of the drives will be accessible D This switch allows the device driver name to be changed You are advised not to change this switch as it must then also be changed for MSCDEX EXE 11 2 MS DOS CD ROM Extensions The file containing the MS DOS CD ROM extensions is called MSCDEX EXE This is configured by entering a statement such as this in AUTOEXEC BAT C DRIVERS MSCDEX D MSCDO01 L F Parameter switches are Parameter Use D Specifies the CD ROM device driver name for example MSCD001 which must match that used in CONFIG SYS IL Specifies the drive letter of the first CD ROM drive M Specifies the number of cache buffers for MSCDEX EXE 8 15 the default being 8 IN Displays verbose message during boot up detailing memory usage and diagnostic information IS Instructs MSCDEX EXE to patch DOS to allow CD ROM drive sharing on an MS NET based network server This parameter is not used by PC Soft JE Instructs MSCDEX EXE to use extended memory if available CASTLE TECHNOLOGY Page 39 CD ROM user guide Page 40 CASTLE TECHNOLOGY CASTLE TECHNOLOGY CD ROM user guide PHOTOVIEW Acorn PhotoCD Sample Application Copyright 1994 Acorn Computers Limited All rights reserved Copyright 1994 Eastman Kodak Company All rights reserved Issue 1 February 1994
34. ixing the lid to the A5000 3 Grasp the lid firmly and slide it towards the rear of the computer so that it comes free 4 Remove the metal blanking panels found at the rear of the computer by unscrewing the two screws at each side of the blanking panel a 5 Remove the interface card from the packaging Note Use the conductive bag that the kit came in to place the interface on This reduces the risk of static damage s s i Page 9 CASTLE TECHNOLOGY SCSI user guide 6 Remove a back panel from the rear of the computer to allow the interface to be inserted into the computer from the rear Note If fitting a hard drive at the same time please refer to drive fitting section of this user guide 7 Locate the backplane 8 Remove the SCSI interface from is packaging Insert the SCSI interface from the rear of the computer so that the connector on the interface locates on to the backplane Note To reduce the risk of static damage use the conductive bag that the interface came in to place the interface on 9 If fitting an internal SCSI device fit the 50 way ribbon cable to the interface ensure that the cable is attached the correct way round pin 1 the stripe on the ribbon cable is clearly indicated on the interface card by a white spot or arrow at one end of the connector 10 The hardware installation is now complete Please see section headed SCSI software CASTLE TECHNOLOGY Page 10 SCSI user guide 2 5 Instal
35. ling a SCSI interface into a Risc PC 1 Switch of the computer and disconnect any peripherals inc monitor etc 2 Locate the two fixing lugs situated at the rear of the top of the computer Twist the lugs to the rear and remove by pulling upwards 3 Remove the lid by raising it up from the rear and pulling rearwards 4 Remove one of the blanking panels RFI gaskets from the rear of the computer 5 Remove the SCSI interface from its packaging and insert through the rear panel and push it into the interface socket on the backplane Note with Storm DMA32 cards full speed DMA support is only available in one of the bottom 2 backplane slots Note To reduce the risk of static damage use the conductive bag that the interface came in to place the interface on Backplane SCSI interface 6 If fitting an internal SCSI device fit the 50 way ribbon cable to the interface ensure that the cable is attached the correct way round pin 1 the stripe on the ribbon cable is clearly indicated on the interface card by a white spot or arrow at one end of the connector Then refer to the section of this user guide headed Internal SCSI devices in a RISC PC 7 Screw the Interface backpanel to the computer with the screws previously removed 8 Refit the lid and fixing lugs and reconnect all peripherals and monitor etc 9 The hardware installation is now complete Please see section headed SCSI software eia Page 11 CASTLE TECHNOLOGY 3 AD
36. ly on a separate line Note an ID of 0 4 0 means the device is connected to SCSI card 0 the first or only card that it has a device ID of 4 and responds as unit 0 within the device See section 4 5 below for debugging suggestions if each device does not occupy a unique line or a device reports unexpected information ior Management Active SCSI Devices found se Mrect access 219 99 M SyQuest 22385 aisa Page 17 CASTLE TECHNOLOGY SCSI user guide 41 2 SCSI Icon Management window This window is entered by clicking the Icon Management button at the top right of the SCSI Devices window which will normally start greyed out for a short while The resulting window is used to control the linkage or mapping between hard disc icons on the icon bar and SCSI Discs or partitions It is used to alter the settings of the SCSIFSLink variable in 4 3 below It provides a continuously updated list of all SCSI disc partitions visible A typical display might be as follows SOSE Ian Management BCE Discs on icon bar gt coe The above shows 2 partitions on ID 0 0 0 of 294 and 221 Mb in size and formatted for Acom use Partition 1 Castle 1 is currently mapped to drive SCSI 5 Additionally there is a device at 0 4 0 of size 219Mb formatted for Acom use and mapped to icon SCSI 4 This information is also shown in the SCSI Discs on Icon bar area above icon SCSI 4 is shown as 4 0 4_0 i e SCSI 4 is
37. mapped to card 0 device 4 partition 0 To the right of each entry is a draggable disc icon To add an icon for this partition on the icon bar drag it s draggable disc icon to the SCSI Discs on Icon bar area To remove an icon from the icon bar drag the corresponding icon out of the SCSI Discs on Icon bar area o_s_4_s e CASTLE TECHNOLOGY Page 18 SCSI user guide 4 1 3 Harddisc Formatting window This window is entered by clicking the Format button to the right of any formattable device within the SCSI Devices window This window is used to initialise or modify the format of a hard disc and to adjust the size of any partitions on it Menu entries are available to split the disc into separate partitions merge partitions back together name partitions prior to formatting to define whether a partition is used for Acorn or DOS usage and to low level format the whole device MAKE CHANGES WITH CARE AS MODIFICATIONS ONCE COMMITTED WITH THE FORMAT ALL MARKED BUTTON WILL COMPLETELY DELETE ANY DATA ON THE DISC Warning Chang f map Cesroy Gata an the disc concerne hu Page 19 CASTLE TECHNOLOGY SCSI user guide 4 2 Devices When Devices is typed at the command line the computer will report what SCSI interface s and SCSI devices are connected to the SCSI bus Press the key F12 and type the following Devices The computer will respond with the following typical result Devices Device Type Capacity
38. o clear individual tracks highlight the desired tracks and then click Select on the CLR button 8 1 2 Notes on playing programs When CDPlayer is set to play a program the following restrictions apply The slider and slider bar cannot be dragged or clicked on The time display will only show the time the disc has been playing The main CD Player window must be open to allow the programmed tracks to be played When playing a mixed mode CD mixed audio and data tracks using the ALL button guarantees that all the audio tracks will be played otherwise the drive will normally stop when it encounters a CASTLE TECHNOLOGY Page 31 CD ROM user guide data track even if there are subsequent audio tracks 8 2 The Setup window Each CDPlayer can be used to control a single CD ROM drive at one time which is selected using the Setup window CDPlayer is supplied already set up to use a CD ROM drive that has a SCSI ID of 6 and that is connected to the first SCSI expansion card fitted to your computer You ll only need to change the Setup if you wish to use a drive with a different SCSI ID or if you have fitted multiple SCSI expansion cards to your computer To open the Setup window choose Setup from CDPlayer s icon bar menu Click on the and icons until the correct device unit and card numbers are shown for the CD ROM drive you wish to use If you re not sure what the numbers should be for a particular drive you can find them out
39. o the first SCSI expansion card fitted to your computer If you wish to use a drive with a different SCSI ID or if you have fitted multiple SCSI expansion cards to your computer you should first read The Setup window on page 17 To start the application double click on the CDPlayer icon this loads the program and displays its icon on the icon bar Click on its icon to display the main CD Player window used to control the CD Track number Skip backwards Skip forwards Piaying time Slider Total tracks time Rewind Fast forward Display keypad The main CD Player window The basic set of controls work in the same way as those of a conventional audio CD player Play starts the audio CD playing Pause stops the CD playing but holds it in its current position Stop stops the CD playing and returns to the start of the CD Eject stops the CD and ejects it from the CD player Skip backwards and Skip forwards move to the previous or next tracks respectively Rewind and Fast forward move backwards or forwards through the audio track speeding up as you hold down the button Moving the Slider takes you quickly to any point on the CD Track number shows the number of the track currently playing or as above 00 if nothing is playing Playing time gives you three choices of display It normally shows the time the disc has been playing Clicking on this number changes the display to show the time the individual track has been pl
40. rive reversing the effect of any earlier Lock command Unlock drive WhichDisc WhichDisc displays the unique ID number for the current CD ROM drive WhichDisc 10 1 Configuring CD ROM drives from the Command To configure the number of CD ROM drives type Configure CDROMDrives n where n is the number of drives from 0 to 28 You can set n to 0 which obviously sets the configuration to 0 CD ROM drives You may want to configure the size of the CD ROM buffers especially if you expect to be using a variety of CDs Type Configure CDROMBuffers sizeK where sizekK represents the size of the buffers in KB a number in the range 0 512 The configuration chosen will be stored in the CMOS RAM reset the computer to implement it The computer should boot up into the desktop A CD ROM icon should appear in the icon bar the number of icons representing the number of CD ROM drives attached Important Incorrectly setting the number of drives causes the boot up procedure to take longer en SE Page 38 CASTLE TECHNOLOGY CD ROM user guide 11 Altering the default configuration of your system under PC Soft 11 1 The device driver The DOS device driver CDFS_DRV SYS is configured by entering a statement such as this in CONFIG SYS DEVICE C DRIVERS CDFS DRV SYS D MSCD001 N 1 Parameter switches are Parameter Use IN This restricts the number of drives that can be used from PC Soft for example if you have 4 CD ROM dr
41. rolling partial image If you are warned that you are short of memory you are advised to quit PhotoView and then to quit further running applications in order to free up more memory before restarting PhotoView Page 46 CASTLE TECHNOLOGY CD ROM user guide Appendix 1 Castle Technology s end user licence conditions Definitions The following expressions have the meanings given here Castle Technology either the owner or the intellectual property rights in the Software or having the right to grant the licences of the Software Documentation the printed user manual supplied with the Software Software the program contained in object code form on the disc s or other material supplied with these conditions Owner any third party who retains any intellectual property rights in the Software Licence 1 Castle Technology grants you a non exclusive non transferable licence of the Software The Licence 2 1 You may make two copies of the whole but not part of the Software for back up purposes only and for no other purpose whatsoever PROVIDED THAT copyright notices contained in and on the Software are reproduced and included in and on such copies 2 2 You may not otherwise copy reproduce adapt vary or modify the Software nor communicate the Software the copies thereof or the Documentation to any third party for any reason whatsoever 3 The licence fee which is expressed to be exclusive of VAT and other taxes and dutie
42. rt the current image Resolution allows you to define the resolution at which the image is to be saved to disc Orientation allows you to define the orientation at which the image is to be saved to disc 24 bit sprite allows you to save the currently selected image as a 24 bit sprite 24 bit sprites give professional quality output on an appropriate printer or other output device This output is the best you can get seiu CASTLE TECHNOLOGY Pa ge 45 CD ROM user guide Scale view displays the Scale view control panel which allows you to specify the scale of the image view You can choose from the six pre defined scale options or type in your preferred scale You can click on the arrowheads to make fine adjustments to the scale 12 6 Quitting PhotoView To quit PhotoView press Menu over the PhotoView icon on the icon bar and choose Quit 12 7 Troubleshooting You may encounter loading and display difficulties if you do not have enough free memory for the display You need for example a colour card with 24MB of free memory to display an image at 16 base and 24bbp colour depth Warning messages are displayed when insufficient memory is available and PhotoView will adjust the screen display accordingly If you are loading the contact sheet PhotoView will display as many thumbnails as it is able Those images which could not be displayed are marked N A If you are attempting to display an image PhotoView will offer you a sc
43. s is payable within the number of days specified in Castle Technology s invoice unless otherwise agreed in writing with Castle Technology 4 This licence entitles you to receive free of charge a corrective support service reports of errors and patches and a defective Software replacement service within the Warranty period Term 5 This licence shall commence when you break the seal and shall continue in effect unless you terminate it by destroying the Software copies thereof and the Documentation or fail to comply with these conditions 6 Castle Technology may terminate this Licence if you are in breach of any of these conditions and on such termination you shall destroy the Software any copies thereof and the Documentation and shall pay to Castle Technology all costs and expenses incurred Limited warranty and disclaimer of liability 7 You acknowledge that Software is not in general error free and the existence of such errors shall not constitute a breach of this licence 8 If you discover a material error which substantially effects the use of the Software and you notify Castle Technology within 90 days of the dispatch of the licence to you the Warranty Period Castle Technology shall at its sole option refund the licence fee to you or se all reasonable endeavours to correct the error provided that such error has not arisen as a result of a breach by you of these conditions 9 Castle Technology shall not be liable to you for any
44. scale Histogram Equalisation will most often result in a worse picture but it can be used to recover detail from an otherwise useless image Alternatively you can use it to look at information locked in a small part of the input scale Al Page 34 CASTLE TECHNOLOGY CD ROM user guide Disable Dithering will disable Floyd Steinberg dithering This will usually result in an inferior image Invert Input will result in your colour images having their colours inverted Black and white image are also inverted Brighten Picture will produce a picture that is slightly brighter than it should be Useful if you have dark pictures Black Correction is useful if you want to print the image on a laser printer You should use a number between zero and 128 though values between 32 and 64 usually give the best result experiment Images treated in this way will give a poor result when viewed on screen Only works for 1 bpp black and white output Gamma Correction is used to correct the image quality as displayed on your monitor Low values of gamma 0 to 1 make colours darker and high values above 1 make them lighter Gamma correction is most often used to correct images that have been scanned in with a scanner Different monitors may need different Gamma Corrections A standard value is 2 2 TV industry standard Pre sharpening is used to sharpen the edges of objects This is useful if the dithering process has made the image blurred A value of 2
45. sing 9 Output Fast Save Choices Quit CASTLE TECHNOLOGY Page 33 CD ROM user guide 9 2 2 Scaling options The Scaling options allow you to choose which scale you wish for your image You can also transform rotate or mirror the image Info Scaling Processing Output Fast Save Choices Quit The option Scale 1 1 1 1 will give you a full sized image Choosing Custom allows you to specify your own scaling options If you wish the image to scale to exact pixel size fill in the left boxes only and leave the right boxes blank The Scale to fill option allows you to scale the image so that it covers the entire screen area this may distort the aspect ratio of the image The Ignore Source Pixel Size box allows you to ignore any source information about the pixel size This can be useful if you have images that use a non standard pixel size The Rotate and Mirror options perform rotations and mirror operations on the source image 9 2 3 Processing options The Processing options allow you to control the image processing used in the conversion and display of the image Scaling Processing Qutput Fast Save Choices Quit You ll notice that all of these options are off by default you will not normally need to change these settings Expand Dynamic Range will expand the range of colours in the image This normally brightens the image It expands the dynamic range of a picture to full
46. sions 1 6 and 1 7 do not support VGA but you can choose EGA for a partial emulation of VGA mode By default the CD ROM drive will be configured as drive F Additional drives will be named G H and so on However if you have four hard drive drives configured drives C F then the CD ROM drive will install itself as drive G and additional drives follow on from there Now run PC Soft Switch to Single task mode from the icon bar menu to be able to display a full screen and for faster response 6 1 2 Loading the MS DOS CD ROM support software PC Soft version 1 6 or later when sold with MS DOS is accompanied by a CD ROM Support disc The software on this disc enables you to access the CD ROM drive while you are running DOS un Sr i un Pa ge 26 CASTLE TECHNOLOGY CD ROM user guide The software has its own installation program to make it easy for you to install it on your computer This program alters your DOS AUTOEXEC BAT and CONFIG SYS files and copies Microsoft MS DOS CD ROM extensions and the CD ROM device driver If you usually boot DOS from a floppy disc you first need to format a new system floppy disc on which to install the software To do this put a floppy disc in the drive and type FORMAT A S When the format completes remove this disc from the drive To install the software put the disc labelled CD ROM Support disc into the drive Type A INSTALL This starts the installation program Follow the instructions
47. t out but the boot up time will be slower ssis CASTLE TECHNOLOGY Page 25 CD ROM user guide CUT Buffers Priest _ i Drives dH 1 E 10 IDEDised 5 7 To configure the CD ROM buffers click Menu on the CD ROM icon Choose Configure Buffers then click on the required buffer size 16K is normally sufficient unless you are swapping discs a lot in which case 32K or 64K would be better 8 Reset the computer to implement the new configuration 6 1 Setting up PC Soft to read CD ROM discs Many CD ROM titles are written in PC format so to get the best out of these PC Soft should be used in the computer PC Soft used to be known as the Acorn PC Emulator The copy of PC Soft you use must be version 1 6 or later If you are using MS DOS you must have version 3 3 or higher with CD ROM extensions If you are using DR DOS you must have a version with CD ROM extensions At the time of going to press such versions were not yet available but this is likely to change You should see your supplier for details of DR DOS compatibility availability and installation 6 1 1 Loading PC Soft Load PC Soft as instructed in the PC Soft Guide accompanying it Set the configuration of the emulated PC using the Configure option from the PC icon bar menu Choose EGA and ECD for titles using this screen mode with 128K of memory for computers with 2MB of RAM and 256K for those with more RAM Choose VGA for titles using this screen mode Ver
48. the Remove All button in the Icon Management window Q Devices shows the same device at most or all IDs A The offending device has the same ID as the Host ID Change it s ID or the Host ID to an unused ID Q I get an error SWI amp 403C3 Unknown A The SCSIHandler module has died Try typing rmreinit scsihandler lt RETURN gt at the command line Either the problem will disappear or a message SCSI Bus Unterminated will be reported See the section on SCSI bus termination if this occurs Q The computer now takes a very long time to boot Al If you do not have a CDROM type unplug cdf sdriver lt RETURN gt at the F12 command line A2 If you have a SCSI disc check that it is fumed on and use Setup to check that the SCSI disc is responding Q I have an internal SCSI hard drive and an external SCSI scanner drive CDROM They work OK connected separately but not when all connected at the same time A See section 3 1 on SCSI Termination Q How do I get my computer to boot from the SCSI drive A Press the F12 key and then type the following configure filesystem scsi lt RETURN gt configure boot lt RETURN gt configure scsifsdrive 4 lt RETURN gt scsi lt RETURN gt dir 4 lt RETURN gt opt 4 2 lt RETURN gt The changes will take effect from the next time the computer is switched on or after typing lt CONTROL BREAK s i eu CASTLE TECHNOLOGY Pa ge 22 SCSI user guide THE CD ROM FILIN
49. the disc from running under the emulator at all Version 1 8 of PC Soft does support VGA 7 2 2 Sound Titles which attempt to play sound through the computer s own sound system can cause program errors unless you first configure sound in the program to be off Most titles are able to play CD quality sound through a CD ROM drive so this problem does not often arise Titles which attempt to mute one audio channel left or right whilst playing the other channel can cause program errors 7 2 3 Windows Certain CD ROM applications contain their own version of Windows on the CD ROM itself These versions have often been modified in some way and do not always work correctly We recommend that you do not use a version of Windows supplied on CD ROM but an appropriate Windows application available separately from a PC dealer Note that Windows 3 1 will not run under PC Soft u ri pa CASTLE TECHNOLOGY Pa ge 29 CD ROM user guide 8 CDPLAYER The CDPlayer application allows you to play and control audio CDs using your computer and a CD ROM drive CDPlayer simulates all the functions of a CD audio player with all the normal functions such as play stop track search cue and review It also has a very comprehensive programming facility All the functions including drive select are controlled using the mouse CDPlayer is supplied on floppy disc It is already set up to use a CD ROM drive that has a SCSI ID of 6 and that is connected t
50. uld copy it either to another floppy disc or to your computer s hard drive if one is fitted Double click on the application to start ChangeFSl Its icon will be loaded onto the icon bar Display the file icon for the image you wish to process and drag the icon onto the ChangeFSl application on the icon bar ChangeFSI will attempt to interpret the file to give a RISC OS sprite displaying the result You can then save the resultant image as a sprite file 9 1 1 Picture formats ChangeFSI will convert many types of images These include the PC graphics formats TIFF PCX PIC and IMG the Amiga format IFF the Compusery GIF format and the JPEG JFIF file interchange format For a full list of image formats explained in greater detail you should read the file FSIInfo provided inside the application shift double click on ChangeFS to display the files 9 2 ChangeFSI in more detail This section describes the ChangeFS menu trees in detail Most users won t need to use these options as ChangeFSl is already set up to give good results with most types of image files If you want to know how ChangeFSI and its options are used in greater detail you should read the information file FSIInfo provided inside the application shift double click on ChangeFSI to display the files 9 2 1 Menu options Once you have loaded ChangeFSI onto the icon bar click Menu over the icon to display the main options menu Info Scaling Proces
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