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IBM 6400 Accounting Machine

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plug board panels), was far more complex than initially anticipated. It took 425 hours to fully program the first machine installed at a commercial client in New York. Given that ET sales representatives at that time were responsible for installing the machines they sold (which typically only involved unboxing typewriters), this meant that the product cost far more to install than was planned, as additional system engineers had to be hired and trained to support the install effort.
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IBM initially launched a major sales campaign including print, TV and radio advertising. They received what they considered to be an acceptable number of orders and deliveries began in mid 1963. However the IBM ET sales representatives soon found that programming the IBM 6400 (which involved wiring
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Electric Typewriter (ET) division in 1962. It was announced in January 1963 and was sold to perform what IBM referred to as BICARSA, which stood for billing, inventory control, accounts receivable and sales analysis.
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The magnetic card reader uses large cards (30 cm x 35 cm) where the front of the card is used as a printer ledger while the same information is stored on a 2.5 cm (0.98 in) 4-track
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This article is about a 1960s accounting machine built by IBM. In 1995 IBM released a printer also called the IBM 6400. For the IBM 6400 Printer, see
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In 1968 an IBM 6430 was developed in Don Mills. The programming was done on cards and the programs steps were controlled by electronics (SMS).
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IBM withdrew all 6400 System Hardware from marketing on March 1, 1976. They discontinued rentals and maintenance on Feb 28, 1983.
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Optional input/output devices include a card reader and punch, a paper tape reader and punch, and a magnetic card reader.
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With an optional 6426 it weighs 1,250 lb (570 kg) and occupies an area of 98 sq ft (9.1 m).
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With an optional 6426 it weighs 1,000 lb (450 kg) and occupies an area of 89 sq ft (8.3 m).
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The magnetic tape can be read or written in 0.5 seconds and can store 252 alphanumeric characters.
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A 6420 weighs 1,000 lb (450 kg) and occupies an area of 86 sq ft (8.0 m)
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This was also referred to as the 6420 Magnetic Ledger Accounting Machine and was sold with a 6425
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A 6410 weighs 750 lb (340 kg) and occupies an area of 77 sq ft (7.2 m).
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is a series of four calculating and accounting machines produced by the
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The output for each machine is facilitated using a keyboardless
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The monthly rental was US$ 495, purchase price was US$ 23,600.
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The monthly rental was $ 520, purchase price was $ 24,300
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The monthly rental was $ 115, purchase price was $ 5,175
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The monthly rental was $ 175, purchase price was $ 8,300
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The monthly rental was $ 90, purchase price was $ 4,075
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The 6400 System consists of the following hardware:
53:. Unsourced material may be challenged and removed. 286:The 6405, 6410, and 6420 were developed by IBM in 186:"You read one side. The IBM 6400 reads the other." 309:Responsibility for the IBM 6400 (along with the 162:mounted above the CPU. Programming is done by a 377:Administrative Management 1965-01: Vol 26 Iss 1 354:. D & K Book Company, Inc. pp. 39–43. 352:The Romance Division... A Different Side of IBM 8: 380:. Dalton Communications. 1965. p. 22. 350:DeLoca, Cornelius; Kalow, Samuel (1991). 113:Learn how and when to remove this message 166:. Calculations are done by electronics ( 325: 170:) and program steps are controlled by 345: 343: 341: 7: 397: 395: 393: 391: 389: 387: 51:adding citations to reliable sources 14: 27: 38:needs additional citations for 1: 282:Development and manufacturing 62:"IBM 6400 Accounting Machine" 196:The IBM 6405 is a desk-size 431:IBM Service for Consultants 255:6425: Magnetic Ledger Unit 244:6422: Automatic Ledger Feed 135:IBM 6400 Accounting Machine 476: 437:. IBM. 1983. p. 2.14. 224:6420: Accounting Machine. 15: 455:IBM unit record equipment 210:6410: Accounting Machine 460:Programmable calculators 241:6430: Accounting Machine 207:6405: Accounting Machine 160:IBM Selectric typewriter 274:6454: Paper Tape Reader 277:6455: Paper Tape Punch 155: 154:IBM 6400 demonstration 130: 333:IBM History 1885-1969 153: 128: 47:improve this article 288:Lexington, Kentucky 292:Don Mills, Ontario 156: 131: 403:"BRL Report 1964" 271:6428: Card Reader 263:6426: Card Punch 247:6424: Card Punch 123: 122: 115: 97: 467: 439: 438: 436: 426: 417: 416: 414: 413: 399: 382: 381: 372: 366: 365: 347: 336: 330: 118: 111: 107: 104: 98: 96: 55: 31: 23: 475: 474: 470: 469: 468: 466: 465: 464: 445: 444: 443: 442: 434: 428: 427: 420: 411: 409: 401: 400: 385: 374: 373: 369: 362: 349: 348: 339: 331: 327: 322: 303: 284: 194: 148: 146:Characteristics 119: 108: 102: 99: 56: 54: 44: 32: 21: 12: 11: 5: 473: 471: 463: 462: 457: 447: 446: 441: 440: 418: 383: 367: 361:978-0533090846 360: 337: 324: 323: 321: 318: 302: 299: 283: 280: 279: 278: 275: 272: 269: 268: 267: 261: 260: 259: 253: 252: 251: 245: 242: 239: 238: 237: 234: 231: 228: 222: 221: 220: 217: 214: 208: 193: 190: 182:magnetic strip 147: 144: 121: 120: 35: 33: 26: 13: 10: 9: 6: 4: 3: 2: 472: 461: 458: 456: 453: 452: 450: 433: 432: 425: 423: 419: 408: 407:ed-thelen.org 404: 398: 396: 394: 392: 390: 388: 384: 379: 378: 371: 368: 363: 357: 353: 346: 344: 342: 338: 334: 329: 326: 319: 317: 314: 312: 307: 301:Sales history 300: 298: 295: 293: 289: 281: 276: 273: 270: 265: 264: 262: 257: 256: 254: 249: 248: 246: 243: 240: 235: 232: 229: 226: 225: 223: 218: 215: 212: 211: 209: 206: 205: 204: 201: 199: 191: 189: 187: 183: 178: 175: 173: 169: 165: 164:control panel 161: 152: 145: 143: 140: 136: 127: 117: 114: 106: 95: 92: 88: 85: 81: 78: 74: 71: 67: 64: –  63: 59: 58:Find sources: 52: 48: 42: 41: 36:This article 34: 30: 25: 24: 19: 430: 410:. Retrieved 406: 376: 370: 351: 328: 315: 308: 304: 296: 285: 202: 195: 185: 179: 176: 157: 134: 132: 109: 100: 90: 83: 76: 69: 57: 45:Please help 40:verification 37: 449:Categories 412:2021-12-21 320:References 198:calculator 192:Components 73:newspapers 335:- Page 24 103:June 2008 129:IBM 6400 18:IBM 6400 311:IBM 632 87:scholar 358:  172:relays 89:  82:  75:  68:  60:  435:(PDF) 94:JSTOR 80:books 356:ISBN 133:The 66:news 168:SMS 139:IBM 49:by 451:: 421:^ 405:. 386:^ 340:^ 174:. 415:. 364:. 116:) 110:( 105:) 101:( 91:· 84:· 77:· 70:· 43:. 20:.

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IBM

IBM Selectric typewriter
control panel
SMS
relays
magnetic strip
calculator
Lexington, Kentucky
Don Mills, Ontario
IBM 632
IBM History 1885-1969



ISBN
978-0533090846

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