IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)

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Adapter Inputs -Index -Write Protect r"\ -Track 0 -Read Data The selected drive supplies one pulse per disk revolution on this line. The selected drive makes this line active if a write protected diskette is mounted in the drive. The selected drive makes this line active if the read/write head is over track O. The selected drive supplies a pulse on this line for each flux change encountered on the disk. 2-107
5-1/4" Diskette Drive Adapter Internal Interface Specifications 34 PIN KEYED EDGE CONNECTOR NOTE: LANDS 1-33 ARE ON THE BACKSIDE OF THE BOARD, LANDS 2-34 ARE ON THE FRONT, OR COMPONENT SIDE. COMPONENT SIDE AT STANDARD TTL LEVELS Land No. ..... "'" ... ... ... "'" ..... ... ..... ..... <strong>IBM</strong> 5 1/4" "'" Diskette Drives ... ... "'" Ground-Odd Numbers Unused Index Motor Enable A Drive Select B Drive Select A Write Data Write Enable Track 0 Write Protect Read Data Select Head 1 Unused 1-33 2,4,6 8 ---.. ... 10 Motor Enable B 16 5 1/4" Diskette Direction (Stepper Motor! 18 Drive Adapter Step Pulse 20 12 14 22 24 26 .. ... 28 ... 30 ... 32 34 2-108
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April 2011 IMPORTANT 1. The motherb
Page 5 and 6:
FEDERAL COMMUNICATIONS COMMISSION R
Page 8 and 9:
CONTENTS SECTION 1. HARDWARE OVERV
Page 10 and 11:
Programming Considerations ........
Page 12 and 13:
INS 8250 Functional Pin Description
Page 14 and 15:
FIGURE LISTING 1. System Block Dia
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SECTION I. HARDWARE OVERVIEW The
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The 16KB Memory Expansion Kits allo
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SECTION 2. HARDWARE ~ Contents: Sys
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SYSTEM BOARD The System Board fits
Page 24 and 25:
The memory is dynamic 16K x 1 chips
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System Board Data Flow Figure 2. S
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1/0 Channel Diagram REAR PANEl SI
Page 30 and 31:
I/O CHRDY I I/O Channel Ready: This
Page 32 and 33:
System Board Component Diagram REA
Page 34 and 35:
Keyboard Interface B lock Diagram
Page 36 and 37:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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Cassette User Interface The cassett
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Cassette Interface Connector Specif
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I/O Address Map HEX RANGE 9 8 7 6
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System Memory Map X'OOOOO' 16 TO 6
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System Memory Map Cont. START ADDR
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5-1/4" Diskette Drives Switch Setti
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32/64KB Memory Expansion Option Sw
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Power Supply The system DC power su
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N I ~ VI ) § I • \. ~ o el so.
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IBM Monochrome Display and Parallel
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System Channel Interface Lines Used
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Programming Considerations Programm
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• CRT Status Port (I/O Address '3
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Color/Graphics Monitor Adapter The
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CPU .. r-- ) ) ) DISPLAY ADDRESS BU
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Modes of Operation There are two ba
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IBM Monochrome Display Adapter V s.
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Color selection is determined by th
Page 74 and 75:
1"'"""""\ Table 5. I R G B Summary
Page 76 and 77: Programming the Mode Control and St
Page 78 and 79: Bit 5 When on, this bit will change
Page 80 and 81: I/O Address and Bit Map Read/Write
Page 82 and 83: Color/Graphics Monitor Adapter Auxi
Page 84 and 85: Parallel Printer Adapter The Printe
Page 86 and 87: Programming Considerations The Prin
Page 88 and 89: Parallel Printer Adapter Interface
Page 90 and 91: Table 7. Printer Specifications (1
Page 92 and 93: Table 9. Functions and Conditions o
Page 94 and 95: Table 10. Connector Pin Assignment
Page 96 and 97: (4) Data transfer sequence Fig. 17
Page 98 and 99: ASCII Control Codes Control Codes V
Page 100 and 101: (8) DC 2 (Device Control 2) The DC
Page 102 and 103: (b) 3) ESC 2 (Escape 2) Receipt of
Page 104 and 105: ehaves like the LF code. Therefore,
Page 106 and 107: [DATA] IESCGI ABCDEFGHI [PRINT] ABC
Page 108 and 109: 5 1/4-Inch Diskette Drive Adapter T
Page 110 and 111: ~ Functional Description From a pro
Page 112 and 113: The FOe is capable of performing 15
Page 114 and 115: Table 13. Symbol Descriptions (cont
Page 116 and 117: Command Summary (continued) DATA B
Page 118 and 119: Command Summary (continued) DATA B
Page 120 and 121: Table 15. Status Register I BIT NO.
Page 122 and 123: Table 17. Status Register 3 BIT NO.
Page 124 and 125: ~ ~ +AO-9 +AEN -lOW -lOR -DACK2 +T
Page 128 and 129: 5-1/4" Diskette Drive Adapter Exter
Page 130 and 131: (3) The write-protect sensor disabl
Page 132 and 133: Memory Expansion Options Two Memory
Page 134 and 135: Switch - Configurable Start Address
Page 136 and 137: Game Control Adapter The Game Co
Page 138 and 139: I/O Channel Description A9-AO: D7-D
Page 140 and 141: ) ) ) 15 PIN MALE '0' SHELL c....t
Page 142 and 143: Asynchronous Communications Adapter
Page 144 and 145: Modes of Operation The different mo
Page 146 and 147: I TRANSMIT 'IACUIT I +5V ~ 4S-"l Tx
Page 148 and 149: INS8250 Functional Pin Description
Page 150 and 151: Data Set Ready (DSR), Pin 37: When
Page 152 and 153: Input/Output Signals Data (D7-DO) B
Page 154 and 155: Bit 3: This bit is the Parity Enabl
Page 156 and 157: Table 23. BAUD RATE AT 1.843 Mhz De
Page 158 and 159: Interrupt Identification Register T
Page 160 and 161: Interrupt Enable Register This 8-bi
Page 162 and 163: In the diagnostic mode, the receive
Page 164 and 165: Transmitter Holding Register The T
Page 166 and 167: Asynchronous Communications Adapter
Page 168 and 169: SECTION 3. ROM and SYSTEM r", USAGE
Page 170 and 171: MOV AH,l ;function is to set time o
Page 172 and 173: Vectors With Special Meanings Inter
Page 174 and 175: BIOS Memory Map STARTING ADDRESS H
Page 176 and 177:
The timer is set mode 3 which means
Page 178 and 179:
Keyboard Encoding and Usage Encodin
Page 180 and 181:
Keys 71-83 have meaning only in bas
Page 182 and 183:
ALT - Temporarily shifts keys 2-13,
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Keyboard Usage This section is inte
Page 186 and 187:
Table 28. BASIC Screen Editor Speci
Page 188 and 189:
Low Memory Maps (O-'0600'x) Table 3
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BASIC Workspace Variables If you do
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APPENDICES Contents: Appendix A: RO
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lOC OBJ LINE SOURCE STITlE( ROM BIO
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LOC OBJ LINE SOURCE 0068 ?! 155 De
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LOC OBJ LINE SOURCE E09E BBf5 EOAO
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lOC OBJ LINE SOURCE £179 E2FD 462
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LOC OBJ LINE SOURCE E278 7408 612 J
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lOC OBJ LINE SOURCE 755 ; ---------
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LOC OSJ LINE SOU RCE E42B 7440 900
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lOC OBJ LINE SOURCE ESIE 884000 E52
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LaC OBJ LINE SOURCE E613 803E120001
Page 213 and 214:
LaC OSJ LINE SOURCE E6EC eSOAOE E6E
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LaC OBJ LINE SOURCE E7SF 1505 .402:
Page 217 and 218:
LaC OBJ LINE SOURCE 1659 ASSUME CS:
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LOC OBJ LINE SOURCE E994 8E08 1798
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LOC 08J LINE SOURCE £"91 474849 EA
Page 223 and 224:
LaC OBJ LINE SOURCE E890 E99700 E89
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LOC 08J LINE SOURCE 2255 ;-- INT 13
Page 227 and 228:
LOC OS! LINE SOURCE 2407 ;------ DI
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lOC OBJ LINE SOURCE (Eol 7438 fE03
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LOC OBJ LINE SOURCE Ef'tD £67200 2
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LOC OBJ LINE SOURCE 2870 I ~- -----
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LOC (lBJ LINE SOURCE 3007 j --- INT
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laC OBJ LINE SOURCE 3157 (AH}=6 SCR
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lOC OBJ LINE SOURt.:E FOA43828ZDOAI
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lOC OBJ LINE SOURCE FtC7 3458 VIDEO
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LOC OBJ LINE SOURCE F260 750E f2:62
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LOC OBJ LINE SOURCE F32B 06 3760 PU
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LOC OBJ LINE SOURCE F3Cl 3910 NEAR
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laC OBJ LINE SOURCE 1'460 80HfE F46
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LOC OBJ LINE SOURCE F4FF BSFB 4213
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LOC OBJ LINE SOURCE 4359 j------ IM
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LOC OBJ LINE SOURCE F689 57 4511 PU
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lOC OBJ LINE SOLIRCE 4662 THE 0 COL
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LOC OBJ LINE SOURCE F7Cl 8AC4 F7e]
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LaC OBJ LINE SOURCE F840 4967 EQUIP
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LOC OBJ LINE SOURCE F8DA E304 5116
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LOC OBJ LINE SOURCE F97E EBF9 5268
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LOC OBJ LINE SOURCE H20 C3 5415 RET
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LOC OBJ LINE SOURCE fC46 0030300000
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LOC OBJ LINE SOURCE FEBS 833E6E0018
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lOC OBJ LINE SOURCE 5866 ;.*.-•
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A-82 NOTES
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8088 REGISTER MODEL AX: AH Al ACCUM
Page 279 and 280:
MEMORY SEGMENTATION MODEL LOGICAL
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XCHG =Exchange RegisterImemory with
Page 283 and 284:
SBB = Subtract with borrow Reg./mem
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AND = And Reg./memory and register
Page 287 and 288:
Indirect within segment 11111111 mo
Page 289 and 290:
8088 CONDITIONAL TRANSFER OPERATION
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BOBBINSTRUCTION SET MATRIX LO HI 0
Page 293 and 294:
INSTRUCTION SET INDEX Mnemonic Pag
Page 295 and 296:
VALUE AS CHARACTERS AS TEXT ATTRIBU
Page 297 and 298:
Page 299 and 300:
Page 301 and 302:
Page 303 and 304:
Page 305 and 306:
Character Set (OO-7F) Quick Referen
Page 307 and 308:
C-14 NOTES
Page 309 and 310:
SYSTEM BOARD (PROCESSOR AND SUPPORT
Page 311 and 312:
SYSTEM BOARD (DEVICE DECODES) I~ i
Page 313 and 314:
SYSTEM BOARD (ROS AND BUS DRIVER) ~
Page 315 and 316:
Ṉ-0 SYSTEM BOARD (DYNAMIC MEMORY
Page 317 and 318:
SYSTEM BOARD (KEYBOARD/SENSE/CONTRO
Page 319 and 320:
\:j I " m < -tv CI:I Q » :11:1 Q P
Page 321 and 322:
I- z ..... 0 t:::I 0 ... ;:; ~ r
Page 323 and 324:
tl I-0'1 ," r-" "~ (S"T" 'RESET I E
Page 325 and 326:
~ ~ ~ ~ ~~ IBM MONOCHROME DISPLAY A
Page 327 and 328:
tj III ~ N 14L.517') ~ 0 __________
Page 329 and 330:
~ N s: N CI CO J ~ CI 2 A Y 18 n DA
Page 331 and 332:
IBM MONOCHROME OISPLAY DANGER HAZAR
Page 333 and 334:
COLOR/GRAPHICS MONITOR ADAPTER ~
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1'. -- COLOR/GRAPHICS MONITOR ADAPT
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1 COLOR/GRAPHICS MONITOR ADAPTER :;
Page 341 and 342:
PARALLEL PRINTER ADAPTER D-34
Page 343 and 344:
t:l +AEN AND U'I GATE , ., + ENABL
Page 345 and 346:
t:! W CI CHARGE PUMP 00 AOI en U ~I
Page 347 and 348:
5%" DISKETTE DRIVE .., CI -N ... ';
Page 349 and 350:
t:j ~ N o W z N ;:1'1: ~ aZKO: ." R
Page 351 and 352:
32KB MEMORY EXPANSION d-w- I NNO) 3
Page 353 and 354:
64 ~~ MEMORY EXPANSION ~~ D-46
Page 355 and 356:
BO~ t::l azq +';V[)( +'>vOC 'f c+o;
Page 357 and 358:
D-50 NOTES
Page 359 and 360:
IBM Monochrome Display Size: Length
Page 361 and 362:
12. Binary: (1) Pertaining to a sel
Page 363 and 364:
40. Hertz (Hz.): A unit offrequency
Page 365 and 366:
70. OR: A logic operator having the
Page 367 and 368:
G-8 NOTES
Page 369 and 370:
Other Related Publications 7. NATIO
Page 371 and 372:
Asynchronous Communications Adapter
Page 373 and 374:
Character Codes 3-11 Generator 2-
Page 375 and 376:
DIN (Connectors) 2-5 DIP (Dual In-L
Page 377 and 378:
Game Control Adapter (continued) C
Page 379 and 380:
I/O (Input/Output) Address Map 2-33
Page 381 and 382:
Microsecond 2-3 Mnemonic B-18 Mod
Page 383 and 384:
Parameters, 6845 Initialization 2-4
Page 385 and 386:
Read/Write Memory (continued) Grap
Page 387 and 388:
s Scan Codes 2-17 Screen 2-43 Sche
Page 389 and 390:
u Unit Specifications Appendix E
Page 391 and 392:
1-22 NOTES
Page 393:
III"I UNITED NO POSTAGE NECESSARY
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IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)

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