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Hodnocené. / 5. Na základě hodnocení zákazníků
I. HARDWARE GUIDES 3. Personal488/AT
Personal488 User’s Manual, Rev. 3.0 I-15
Interrupts 10 through 15 are only available in a 16-bit slot on an AT-class machine. Interrupt 9
becomes synonymous with interrupt 2 when used in a PC/XT bus. The selected interrupt may be
shared among several AT488s in the same PC/AT chassis. The AT488 adheres to the “AT-style”
interrupt sharing conventions. When the AT488 requires service, the IRQ jumper determines which PC
interrupt level is triggered. When an interrupt occurs, the interrupting device must be reset by writing
to an I/O address which is different for each interrupt level. The switch settings determine the I/O
address to which the board’s interrupt rearm circuitry responds. The IRQ jumper and switch settings
must both indicate the same interrupt level for correct operation with interrupts. The previous figure
shows the settings for selected interrupts.
DMA Channel Selection
Direct Memory Access (DMA) is a high-speed method of transferring data from or to a peripheral, such
as a digitizing oscilloscope, to or from the PC’s memory. The AT class machine has seven DMA
channels. Channels 0-3 (8-bit), 5, 6, and 7 (16-bit) are available only in a 16-bit slot on a PC/AT-class
machine. Channel 2 is usually used by the floppy disk controller, and is unavailable. Channel 3 is
often used by the hard disk controller in PCs, XTs, and the PS/2 with the ISA bus, but is usually not
used in ATs. Channels 5 through 7 are 16-bit DMA channels. They offer the highest throughput (up to
1 Megabyte per second). Channels 0 through 3 are 8-bit DMA channels. Although slower, they offer
compatibility with existing GP488B applications that only made use of 8-bit DMA channels. Under
some rare conditions, it is possible for high-speed transfers on DMA channel 1 to demand so much of
the available bus bandwidth that simultaneous access of a floppy controller will be starved for data due
to the relative priorities of the two channels. Both the DRQ and DACK jumpers must be set to the
desired DMA channel for proper operation. Configure the board according to which DMA channel is
available. The following figure shows settings for selecting the DMA channels.
Personal488/AT DMA Selection
Board Installation
The IEEE 488 interface board(s) are installed into expansion slots inside the PC’s system unit. PC/AT-
compatible computers have two types of expansion slots: 8-bit (with one card-edge receptacle), and 16-
bit (with two card-edge receptacles). Eight-bit boards, such as the IEEE 488 interface boards, may be
used in either type of slot, 8- or 16-bit. Some machines may have special 32-bit memory expansion
slots which should not be used for IEEE 488 interface boards.
- Personal488 1
- PC/IEEE 488 Controller 15
- About this Manual 15
- How to Use this Manual 15
- Section I: 17
- I. HARDWARE GUIDES 19
- IEEE 488.2 Interface Boards 20
- Driver488 Software Interface 20
- IEEE 488.1-1987 Interface 22
- IEEE 488.2-1987 Interface 22
- GP488B Interface Board 22
- AT488 Interface Board 22
- MP488 Interface Board 22
- MP488CT Interface Board 23
- GP488/2 Interface Board 23
- GP488/MM Interface Board 23
- NB488 Interface Module 23
- PCMCIA Interface Card 23
- The Package 24
- Default Settings 25
- I/O Base Address Selection 25
- Interrupt Selection 26
- DMA Channel Selection 26
- Wait State Configuration 27
- Internal Clock Selection 27
- Board Installation 27
- 3. Personal488/AT 29
- 4. Personal488/NB 33
- 5. Personal488/MM 34
- 6. Personal488/CARD 38
- Interfaces & Connectors 39
- Interface Cable Connection 39
- Software Installation 40
- Initialization Software 41
- Configuration Software 43
- Functionality 45
- Section II: 47
- II. SOFTWARE GUIDES 49
- 8. Driver488/DRV 50
- Driver Installation to Disk 53
- Multiple Interface Management 60
- DOS Devices 62
- Direct I/O with DOS Devices 63
- 8D. Getting Started 65
- Keyboard Controller Program 66
- 8E. Microsoft C 69
- functions, respectively 73
- return the 16-bit 75
- desired. Here, the 75
- 8G. QuickBASIC 80
- 8H. Turbo C 87
- Initialization of the System 88
- 8I. Turbo Pascal 98
- Configuration of the 195 DMM 100
- Taking Readings 101
- Buffer Transfers 101
- Interrupt Handling 102
- Sample Program 104
- 8J. Spreadsheets 106
- 8K. Other Languages 111
- Finding Addresses 112
- Garbage Collection 113
- Memory Models 113
- Calling Protocols 114
- IOCTL Read & Write 116
- ;DS:DX - command 117
- ;DS:DX-name 118
- ;DS:DX -> command 119
- Use of Direct DOS I/O Devices 121
- BASIC VARPTR & SADDR 121
- JPI TopSpeed Modula-2 122
- Logitech Modula-2 122
- , the segment address of 123
- 8M. Data Transfers 124
- TERM Terminators 128
- Direct I/O & Buffered I/O 129
- , and the 130
- 8N. Operating Modes 131
- Introduction 132
- Operating Mode Transitions 132
- System Controller Mode 133
- Not System Controller Mode 135
- 8O. Utility Programs 136
- Removal & Reinstallation 138
- PRNTEMUL Files 139
- Response 143
- Bus States 143
- Data Types 147
- CCL Reserved Words 148
- 9. Driver488/SUB 149
- Before You Get Started 150
- Making Backup Disk Copies 151
- Driver Installation 151
- Configuration Utility 151
- Interfaces 152
- External Devices 152
- Subroutine Calls 158
- Use of External Devices 159
- Duplicate Device Names 160
- Access of Multiple Interfaces 160
- 9D. Getting Started 161
- Required Libraries 162
- Required Headers 162
- QuickBASIC 164
- Required Definition File 165
- 9E. C Languages 166
- Establishing Communications 167
- Confirming Communication 168
- Setting Up Event Handling 168
- Reading Driver Status 168
- Basic Data Acquisition 170
- Block Data Acquisition 170
- Command Summary 174
- 9F. QuickBASIC 175
- Confirming Communications 176
- 9G. Pascal 182
- 9H. Data Transfers 191
- Data Input and Output 192
- 9I. Operating Modes 193
- 9J. Utility Programs 198
- Running PRNTEMUL 201
- Status Structure 206
- Miscellaneous Constants 206
- Completion Code Bit Masks 206
- 10. Driver488/W31 207
- Enhanced Mode DMA Transfers 210
- NBTEST.EXE 214
- Driver Core Sections 216
- 10D. Getting Started 221
- C Languages 222
- Visual Basic 223
- 10E. C Languages 224
- IEEE 488 Event Message 227
- Sample Programs 232
- Header File (Example2.h) 239
- Header File (Example3.h) 246
- 10F. Visual Basic 248
- Hello Message Window 249
- IEEE 488 Event Custom Control 251
- Data read from the ADC488 253
- Driver488/W31 Status Display 256
- Dynamic Data Exchange (DDE) 257
- Acquisition Engine 259
- Source Code 265
- GLOBAL.BAS Declarations 266
- Handle Lists 268
- WINTEST Session 269
- QUIKTEST 270
- Operation of the Application 271
- Licensing 272
- 11. Driver488/W95 273
- 12. Driver488/WNT 274
- Section III: 275
- COMMAND REFERENCES 275
- 13. Overview 277
- Sub-Chapters 278
- Function Descriptions 278
- The Commands 280
- Syntax Parameters 280
- Defined Constants 281
- Structure Definitions 281
- AUTO REMOTE 300
- BUFFERED 300
- BUS ADDRESS 300
- CHECK LISTENER 301
- CLOCK FREQUENCY 301
- CONTROL LINE 302
- DMA CHANNEL 303
- ENTER (Controller Mode) 303
- ENTER (Peripheral Mode) 304
- FIND LISTENERS 308
- INT LEVEL 309
- IO ADDRESS 309
- IOCTL (BASIC Statement) 310
- IOCTL$ (BASIC Statement) 310
- KEEP DEVICE 311
- KEEP DOS NAME 311
- LIGHT PEN 312
- LOCAL LOCKOUT or LOL 312
- MAKE DEVICE 313
- MAKE DOS NAME 313
- OUTPUT (Controller Mode) 313
- OUTPUT (Peripheral Mode) 314
- PASS CONTROL 317
- PPOLL CONFIG or PPC 317
- PPOLL DISABLE or PPD 318
- PPOLL UNCONFIG or PPU 318
- REMOVE DEVICE 319
- REMOVE DOS NAME 319
- SPOLL LIST 323
- SYS CONTROLLER 325
- TIME OUT 326
- README.TXT 328
- AutoRemote 330
- Buffered 330
- BusAddress 331
- CheckListener 331
- ClearList 332
- ClockFrequency 332
- ControlLine 333
- DmaChannel 335
- Enter (Controller Mode) 335
- Additional Enter Functions 336
- EnterMore 336
- Enter (Peripheral Mode) 337
- EnterI (Controller Mode) 338
- EnterNMoreI 339
- EnterI (Peripheral Mode) 340
- FindListeners 341
- GetError 342
- GetErrorList 342
- IntLevel 343
- IOAddress 344
- KeepDevice 344
- LightPen 344
- LocalList 345
- MakeDevice 346
- MakeNewDevice 346
- MyListenAddr 347
- MyTalkAddr 347
- OnEventVDM 349
- OpenName 350
- Output (Controller Mode) 350
- Additional Output Functions 351
- OutputMore 351
- Output (Peripheral Mode) 352
- OutputI (Controller Mode) 353
- Additional OutputI Functions 354
- OutputNI 354
- OutputMoreI 354
- OutputNMoreI 354
- OutputI (Peripheral Mode) 355
- PassControl 356
- PPollConfig 356
- PPollDisable 357
- PPollDisableList 357
- PPollUnconfig 357
- RemoteList 358
- RemoveDevice 358
- SendData 360
- SPollList 362
- SysController 364
- TermQuery 365
- TimeOutQuery 366
- TriggerList 367
- UnListen 367
- Section IV: 369
- IV. TROUBLESHOOTING 371
- 18A. Introduction 373
- 18B. Driver488/DRV 373
- 18C. Driver488/SUB 374
- 18D. Driver488/W31 375
- 19. Error Messages 377
- Section V: 383
- V. APPENDIX 385
- ASCII Control Codes (Table 2) 388
- ASCII Character Set (Table 1) 389
- ASCII Character Set (Table 2) 390
- Section VI: 391
- VI. INDEX 393
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