306:
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.
151:
29:
126:
305:
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
141:
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.
180:
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
313:) was moved to the IBM Data Processing Division (DPD) in 1964. However given their focus on launching the System/360 at that time, the product was not heavily promoted after this.
46:
429:
16:
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
297:
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).
332:
93:
65:
454:
359:
459:
316:
IBM withdrew all 6400 System
Hardware from marketing on March 1, 1976. They discontinued rentals and maintenance on Feb 28, 1983.
112:
72:
184:(that IBM describes as magnetic tape) that runs across the bottom of the back of the card. IBM advertising at the time said:
79:
50:
177:
Optional input/output devices include a card reader and punch, a paper tape reader and punch, and a magnetic card reader.
61:
233:
With an optional 6426 it weighs 1,250 lb (570 kg) and occupies an area of 98 sq ft (9.1 m).
216:
With an optional 6426 it weighs 1,000 lb (450 kg) and occupies an area of 89 sq ft (8.3 m).
39:
159:
167:
86:
375:
287:
188:
The magnetic tape can be read or written in 0.5 seconds and can store 252 alphanumeric characters.
230:
A 6420 weighs 1,000 lb (450 kg) and occupies an area of 86 sq ft (8.0 m)
227:
This was also referred to as the 6420 Magnetic Ledger
Accounting Machine and was sold with a 6425
213:
A 6410 weighs 750 lb (340 kg) and occupies an area of 77 sq ft (7.2 m).
355:
181:
150:
448:
28:
402:
197:
291:
163:
17:
137:
is a series of four calculating and accounting machines produced by the
310:
290:, United States. Manufacturing was done by IBM Lexington and by IBM in
200:, and the 6410, 6420, and 6430 are more advanced accounting machines.
125:
171:
149:
124:
424:
422:
158:
The output for each machine is facilitated using a keyboardless
219:
The monthly rental was US$ 495, purchase price was US$ 23,600.
138:
22:
294:, Canada. In 1966 all work was transferred to Don Mills.
236:
The monthly rental was $ 520, purchase price was $ 24,300
266:
The monthly rental was $ 115, purchase price was $ 5,175
258:
The monthly rental was $ 175, purchase price was $ 8,300
250:
The monthly rental was $ 90, purchase price was $ 4,075
203:
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:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.