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4-1

Chapter 4

Theory of Operation

4.1 The SBus Interface

The CPU card communicates with the

GXTRA

card through the

SBus interface. The SBus interface is the mechanism for
communications between the CPU card and the

GXTRA

card.

This interface is fully described in the

SBus Specification B.0

included in the

SBus Developer's kit

. The SBus interface is

embodied in a PAL on the

GXTRA

card. The PAL controls all

transactions between the SBus and the

GXTRA

card. These

transactions include reading and/or writing the various registers
within the SBus interface, the

GXTRA

engine and the random

access memory digital-to-analog-converter (RAMDAC) as well as
the PROM and Video RAM memory. In addition, the

GXTRA

engine generates the video timing and control for the

Video RAM's, and the RAMDAC.

The

GXTRA

card must be plugged into the SBus connector of

the CPU card.

The

GXTRA

card is an SBus slave device, therefore it may be

placed in any of the SBus slots.

4.2 The

GXTRA

engine

The

GXTRA

engine is the heart of the

GXTRA

card architecture.

It contains the hardware to do 2D graphic renderings. The
rendering hardware can execute three basic types of commands:
QUAD, BLIT, and PIXEL1. The

GXTRA

engine uses the Weitek

Power 9100 graphics chip.

4.2.1 QUAD Command

The

GXTRA

engine has the capability of drawing quadrilaterals.

It contains two Bresenham line drawing engines that calculate

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Содержание GXTRA Series

Страница 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Страница 2: ...lation Copyright 1997 by Tech Source Inc 442 S North Lake Blvd Altamonte Springs FL 32701 407 262 7100 Publication 65 0129 01 September 11 1997 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 3: ...rbo are trademarks of Tech Source Inc All SPARC trademarks are trademarks or registered trademarks of SPARC International Inc Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems Inc SunView X11 NeWS OpenWindows Sun Sun 4 and Solaris are trademarks and registered to Sun Microsystems Inc All other products or services mentioned in this document are identifi...

Страница 4: ...ion of the Tech Source GXTRA X Terminal on an SBus card This manual is intended for system designers who incorporate the Tech Source card s into their SPARCstations It contains the procedures necessary for installation into such a system This is not a guide to the installation of the software All systems vary to a degree A knowledge of the features of your system is helpful during the installation...

Страница 5: ...ithin the United States Customer bears remaining freight charges over 16 00 USD per product being shipped back to customer Repairs and or maintenance performed by Tech Source Inc outside the policies and provisions of a Tech Source Inc Warranty or Maintenance Contract will be charged at an hourly rate plus materials with a minimum charge of 300 00 Installation of any Tech Source Inc hardware or so...

Страница 6: ...2 5 1 SPARCstation 1 and 2 2 6 2 5 2 SPARCstation IPC IPX and SPARCclassic 2 9 2 6 SPARCstation 600MP and SPARCstation 10 2 13 2 7 Replacing the Workstation Cover 2 14 2 8 Powering Up the Workstation 2 15 Bringing Up the GXTRA Card for the First Time 3 1 3 1 Overview 3 1 3 2 Mounting on the SPARC CPU 3 1 3 3 Setting the Display Resolution 3 1 3 3 1 Rotary Switch Settings 3 2 3 4 Connecting the Cab...

Страница 7: ...ization 5 2 5 4 Electrical Specifications 5 2 Description of the GXTRA 3 Turbo 6 1 6 1 Main Features 6 1 6 2 Card Specifications 6 1 6 3 Frame Buffer Organazation 6 2 6 3 1 Frame Buffer Selection 6 2 6 4 Electrical Specifications 6 2 List of Figures Figure 2 1 Opening the SPARCstation 1 and 2 2 4 Figure 2 2 Opening the SPARCstation IPC IPX and SPARCclassic 2 5 Figure 2 3 SBus Slot Locations for SP...

Страница 8: ... List of Tables Table 3 1 Standard Switch Settings 3 2 Table 4 1A Switch 1 640 x 480 60 Hz Timing Parameters 4 3 Table 4 2A Switch 2 1024 x 768 60 Hz Timing Parameters 4 4 Table 4 3 Switch 3 1152 x 900 66 Hz Timing Parameters 4 4 Table 4 4 Switch 4 1152 x 900 76 Hz Timing Parameters 4 5 Table 4 5A Switch 5 1280 x 1024 60 Hz Timing Parameters 4 5 Table 4 6A Switch 6 1280 x 1024 67 Hz Timing Paramet...

Страница 9: ...meters 4 8 Table 4 12 Switch C 1024 x 768 70 Hz Timing Parameters 4 9 Table 4 13A Switch D 1024 x 768 76 Hz Timing Parameters 4 9 Table 5 1 GXTRA 2 Turbo Electrical Specifications 5 2 Table 6 1 GXTRA 3 Turbo Electrical Specifications 6 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 10: ...er technicians and others interested in using the GXTRA SBus cards in a SPARC system All readers should have an understanding of electronic hardware operating system software interfacing with hardware and related computer concepts An understanding of the required communications standards and concepts between cards and with peripheral devices is also required Given the defined audience background t...

Страница 11: ... correct the interference at his or her own expense WARNING Changes or modifications made to the GXTRA without the expressed approval of Tech Source Inc which may affect FCC Compliance could void the user s warranty This is applicable to the special accessories provided with the GXTRA such as the shielded cables and specific connectors that are provided with the product The use of non shielded cab...

Страница 12: ...guration ordered NOTE DO NOT INSTALL THE GXTRA UNTIL THIS ENTIRE CHAPTER HAS BEEN READ WARNING Always wear the wrist grounding strap or one time use ESD kit as supplied with the GXTRA while working on electrical components This component is vulnerable to damage from electrostatic shock 1 Open the box Remove the card which is in an anti static envelope and the ESD kit We recommend that you save the...

Страница 13: ...cting edges 2 Always wear a ground strap when working inside a workstation or handling the GXTRA card If a ground strap is not available place the workstation on a rubber mat 3 Do not remove the GXTRA card from its anti static envelope until you are ready to install it in the workstation If you must open the envelope early do not leave the card exposed for any length of time and if you must put th...

Страница 14: ...e Halted Type b boot c continue n new command mode Turn the power off in the following order 1 Monitor 2 External drives and peripherals 3 SPARC system unit 2 4 Opening the Workstation Reference the documentation provided with your workstation for specific instructions General information for a SPARCstation 1 2 IPC IPX and SPARCclassic follow 2 4 1 SPARCstations 1 and 2 1 Place the workstation sys...

Страница 15: ...ilt the cover up and forward until the protector loop clears the chassis 5 Carefully push the cover forward so that the tabs which secure the cover to the front of the chassis are clear 6 Carefully lift the cover vertically to remove it 2 4 2 SPARCstation IPC IPX and SPARCclassic 1 Place the workstation system on a stable flat surface with enough room to place both the top and bottom of the system...

Страница 16: ... IPC IPX and SPARCclassic 4 Secure the workstation top by placing your index fingers on the latches on each side refer to Figure 2 2 Squeeze the latches while pressing down on the top cover 5 Carefully raise the top cover up and towards the front panel The top and bottom are connected with cables so gently place the top cover flat on the work surface Artisan Technology Group Quality Instrumentatio...

Страница 17: ...c details on card installation For installing SBus cards in a SPARCstation 10 and SPARCstation LX reference the Desktop SPARC Hardware Owner s Guide Appendix H and I General information for a SPARCstation 1 2 IPX IPC and SPARCclassic follows 2 5 1 SPARCstation 1 and 2 The SPARCstation 1 and 2 have three 3 SBus slots You may install the GXTRA in any slot Reference Figure 2 3 for the SBus slot locat...

Страница 18: ...anel cover for the SBus slot the card will be installed in To do this press the release pins on the inside of the unit and pull the rear protector plate towards the front panel Reference Figure 2 4 for the location of the rear panel covers Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 19: ...he DB13W3 video connector is facing the rear of the unit and the component side is facing up Ensure that the card mounting plate hooks into the slot opening on the rear panel 3 Align the connectors on the bottom of the card with the connector on the main board reference Figure 2 5 Gently press the connectors into the socket Press on the corners of the board Do not press on the plastic retainer bra...

Страница 20: ... the board 2 5 2 SPARCstation IPC IPX and SPARCclassic The SPARCstation IPC IPX and SPARCclassic have two SBus slots You may install the GXTRA in either slot Reference Figure 2 6 for the SBus slot locations for the SPARCstation IPC and IPX Reference the Desktop SPARC Hardware Owner s Guide for the SPARCclassic SBus slot locations Artisan Technology Group Quality Instrumentation Guaranteed 888 88 S...

Страница 21: ...er for the SBus slot the card will be installed in To do this press the release pins on the inside of the unit and pull the rear protector plate towards the front panel Reference Figure 2 7 for the location of the rear panel covers Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 22: ...at the DB13W3 video connector is facing the rear of the unit Make certain that the cards mounting plate hooks into the slot opening on the rear panel 3 Align the connector on the bottom of the card with the connector on the main board reference Figure 2 8 Gently press the connector into the socket Press on the corners of the board Do not press on the plastic retainer bracket or Weitek part Artisan...

Страница 23: ...IPX and SPARCclassic Card Installation CAUTION Do not use excessive force or push on the Weitek part as you may break the bracket or damage the pins on the bottom of the board Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 24: ... 2 9 shows the locations of the SBus slots on the CPU card Figure 2 9 600MP CPU Board In order to fit the GXTRA into the 600MP CPU or the SPARCstation 10 it is necessary to remove the top portion of the GXTRA s two piece face plate To remove the top portion of the face plate simply remove the two screws shown in Figure 2 10 Figure 2 10 GXTRA Two Piece Face Plate Artisan Technology Group Quality In...

Страница 25: ...ld the cover at too drastic an angle and slowly lower the top cover onto the chassis Ensure that the protector loop on the cover is properly seated in the loop slot on the bottom of the workstation Replace the screw s in the rear panel Figure 2 11 SPARCstation 1 and 2 Cover Installation Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 26: ... connector at the rear of the GXTRA and the other end to the monitor If this is the only display controller plug the keyboard into the motherboard keyboard slot Otherwise plug the cable for the additional keyboard into the keyboard port on the back of the GXTRA card Turn the power on in the following sequence 1 Monitor 2 External device and peripherals 3 SPARCstation system unit Artisan Technology...

Страница 27: ...GXTRA Hardware Installation September 11 1997 2 16 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 28: ...mily 3 2 Mounting on the SPARC CPU The GXTRA card mounts on the SBus CPU card via one 96 pin SBus connector The GXTRA card s 96 pin male SBus connector located on the solder side of the board plugs into the 96 pin female SBus connector located on the component side of the CPU card The SBus connector is keyed to prohibit mounting the board the wrong way 3 3 Setting the Display Resolution The GXTRA ...

Страница 29: ... the board will read the sense bits from the Sun monitor in order to determine the appropriate resolution Table 3 1 through Table 3 6 shows the various switch settings Table 3 1 Standard Switch Settings Switch Resolution GXTRA 2 GXTRA 3 Turbo Turbo 0 Sense bits default 1152 x 900 66 Hz X X 1 640 x 480 60 Hz X X 2 1024 x 768 60 Hz X X 3 1152 x 900 66 Hz X X 4 1152 x 900 76 Hz X X 5 1280 x 1024 60 H...

Страница 30: ...The primary keyboard and mouse connector on the SPARC CPU are always used for console input The GXTRA provides this connector to support extra users from a single workstation 3 5 Power Up Once the GXTRA card is inserted into the SBus and the proper cables are connected power can be applied by turning on the power source The system will probe each of the SBus slots at which point the Tech Source In...

Страница 31: ... list For example the SunGX is normally found at SBus slot 3 If a GXTRA card was placed in SBus slot 1 it would automatically become the system console since SBus slot 1 will be probed before SBus slot 3 If it is desirable to boot up on the SunGX and have the GXTRA as a secondary display then it will be necessary to either swap the cards around in the system or change the sbus probe list The sbus ...

Страница 32: ...ted the user should run the diagnostic routine called gxtra banner The gxtra banner performs a checksum on the GXTRA firmware OK printenv fcode debug If the environmental variable is set to false it must be set to true by entering OK setenv fcode debug true OK reset Upon completion of the reset the gxtra banner will be available for use Access to this routine is dependent upon the version of the O...

Страница 33: ...y either a passed or a failed message If a failed message is displayed contact Tech Source Inc Customer Support If a passed message is displayed proceed with the installation 3 7 2 Open Boot Version 2 x Open Boot version 2 x requires a more complex set of instructions to utilize the gxtra banner routine First change directories to sbus and get a directory listing as shown below OK cd sbus OK ls Fr...

Страница 34: ...ethod Some vital product data will be displayed followed by either a passed or a failed message If a failed message is displayed contact Tech Source Inc Customer Support If a passed message is displayed proceed with the installation Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 35: ...GXTRA 12 Hardware Installation September 11 1997 3 8 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 36: ...er RAMDAC as well as the PROM and Video RAM memory In addition the GXTRAengine generates the video timing and control for the Video RAM s and the RAMDAC The GXTRA card must be plugged into the SBus connector of the CPU card The GXTRA card is an SBus slave device therefore it may be placed in any of the SBus slots 4 2 The GXTRAengine The GXTRAengine is the heart of the GXTRA card architecture It co...

Страница 37: ...e frame buffer as the destination to which the source will be copied The source and destination can overlap in any direction and can be non aligned 4 2 3 PIXEL1 Command The GXTRAengine allows for the masking of characters and images These characters and images are written to the frame buffer through the PIXEL1 command The GXTRAengine hardware configuration registers are used to generate the correc...

Страница 38: ... tables provide the timing parameters for the GXTRA card Table 4 1A Switch 1 640 x 480 60 Hz Timing Parameters PARAMETER VALUE UNIT Horizontal Resolution 640 Pixel Vertical Resolution 480 Pixel Vertical Frequency 60 Hz Horizontal Front Porch 0 607 usec Horizontal Sync Width 3 943 usec Horizontal Back Porch 3 033 usec Horizontal Frequency 31 45 Khz Vertical Front Porch 318 5 usec Vertical Sync Widt...

Страница 39: ...ont Porch 13 50 usec Vertical Sync Width 40 50 usec Vertical Back Porch 189 00 usec Table 4 3 Switch 3 1152 x 900 66 Hz Timing Parameters PARAMETER VALUE UNIT Horizontal Resolution 1152 Pixel Vertical Resolution 900 Pixel Vertical Frequency 66 Hz Horizontal Front Porch 0 26 usec Horizontal Sync Width 1 38 usec Horizontal Back Porch 2 15 usec Horizontal Frequency 61 8 Khz Vertical Front Porch 32 4 ...

Страница 40: ... Front Porch Sun Proprietary Vertical Sync Width Sun Proprietary Vertical Back Porch Sun Proprietary Table 4 5A Switch 5 1280 x 1024 60 Hz Timing Parameters PARAMETER VALUE UNIT Horizontal Resolution 1280 Pixel Vertical Resolution 1024 Pixel Vertical Frequency 60 Hz Horizontal Front Porch 0 58 usec Horizontal Sync Width 1 89 usec Horizontal Back Porch 1 60 usec Horizontal Frequency 63 7 Khz Vertic...

Страница 41: ...l Front Porch Sun Proprietary Vertical Sync Width Sun Proprietary Vertical Back Porch Sun Proprietary Table 4 7 Switch 7 1280 x 1024 72 Hz Timing Parameters PARAMETER VALUE UNIT Horizontal Resolution 1280 Pixel Vertical Resolution 1024 Pixel Vertical Frequency 72 Hz Horizontal Front Porch 0 47 usec Horizontal Sync Width 1 42 usec Horizontal Back Porch 1 42 usec Horizontal Frequency 78 1 Khz Vertic...

Страница 42: ...ont Porch 37 69 usec Vertical Sync Width 75 38 usec Vertical Back Porch 175 88 usec Table 4 9A Switch 9 1536 x 1152 66 Hz Timing Parameters PARAMETER VALUE UNIT Horizontal Resolution 1536 Pixel Vertical Resolution 1152 Pixel Vertical Frequency 66 Hz Horizontal Front Porch 0 19 usec Horizontal Sync Width 1 88 usec Horizontal Back Porch 1 41 usec Horizontal Frequency 79 9 Khz Vertical Front Porch 37...

Страница 43: ...nt Porch 0 0 usec Vertical Sync Width 25 2 usec Vertical Back Porch 529 7 usec Table 4 11 Switch B 1600 x 1280 76 Hz Timing Parameters PARAMETER VALUE UNIT Horizontal Resolution 1600 Pixel Vertical Resolution 1280 Pixel Vertical Frequency 76 Hz Horizontal Front Porch 0 11 usec Horizontal Sync Width 1 00 usec Horizontal Back Porch 1 30 usec Horizontal Frequency 101 9 Khz Vertical Front Porch 19 6 u...

Страница 44: ... Porch 53 15 usec Vertical Sync Width 106 30 usec Vertical Back Porch 513 78 usec Table 4 13A Switch D 1024 x 768 76 Hz Timing Parameters PARAMETER VALUE UNIT Horizontal Resolution 1024 Pixel Vertical Resolution 768 Pixel Vertical Frequency 76 Hz Horizontal Front Porch 0 435 usec Horizontal Sync Width 1 565 usec Horizontal Back Porch 3 130 usec Horizontal Frequency 61 50 Khz Vertical Front Porch 4...

Страница 45: ...er 11 1997 4 10 4 6 GXTRA SBus Card Slot Requirements The GXTRA SBus card can be plugged into any SBus slot which has a minimum 4MB address space Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 46: ...d fast raster operations Fast 2 D polygon fill Design optimized for X Windows performance Single connector to video monitor with embedded coax Automatically initialized by the SPARC upon CPU power up Uses single chip ASIC video sub system 8 pin Mini Din keyboard mouse connector 3 color hardware cursor 5 2 Card Specifications The following specifications are applicable to all GXTRA 2 Turbo products...

Страница 47: ...is organized as a single 2 megabyte memory array 5 4 Electrical Specifications The following table provides the electrical parameters for the GXTRA 2 Turbo card Table 5 1 GXTRA 2 Turbo Electrical Specifications CONSIDERATION SPECIFICATION Conditions 5 tolerance on all power supplies T A 100 to 500 C Voltage 5V Supply Current Board 1 1A nom 1 75A max kbd mouse 0 15A nom 25A max total 1 25A nom 2 0A...

Страница 48: ...Chapter 5 Description of the GXTRA 2 Turbo 5 3 Figure 5 1 GXTRA 2 Turbo Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 49: ...GXTRA Hardware Installation September 11 1997 5 4 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 50: ... 16 million colors Accelerated 2 D vectors Accelerated windowing functions text and fast raster operations Fast 2 D polygon fill Design optimized for X Windows performance Full Pixrect Pixwin compatibility Single connector to video monitor with embedded coax Automatically initialized by the SPARC upon CPU power up Uses single chip ASIC video sub system 8 pin Mini Din keyboard mouse connector 3 col...

Страница 51: ... as 2 banks of video memory The first bank Bank 0 addresses the 8 bit image frame buffer The second bank Bank 1 addresses the 8 bit overlay frame buffer 6 3 1 Frame Buffer Selection The frame buffers are selected by writing to the frame buffer select port corresponding to the desired frame buffer There are two ports on the GXTRA 3 which map the appropriate frame buffer 6 4 Electrical Specification...

Страница 52: ...TION SPECIFICATION Conditions 5 tolerance on all power supplies T A 100 to 500 C Voltage 5V Supply Current Board 1 1A nom 1 75A max kbd mouse 0 15A nom 25A max total 1 25A nom 2 0A max Figure 6 3 GXTRA 3 Turbo Rev A Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 53: ...GXTRA Hardware Installation September 11 1997 6 4 This page intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 54: ...NOTES Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 55: ...NOTES Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 56: ...NOTES Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 57: ...Publication 65 0129 01 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 58: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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