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	IBM Archives: 7090 Data Processing System (continued)
		As a result of this IBM standardization program and the compact packaging of the circuitry, the modular units may be placed side by side and thus minimize space requirements.
		This feature used with an interpretive program (the memory capacity of the IBM 7090 must be twice that required by the 704 for the program) to enable most programs written for the IBM 704 to run on the IBM 7090.
		In turn, the IBM 7090 may prepare punched card and magnetic tape records, which may be used as input to any other IBM data processing system.
	www-03.ibm.com /ibm/history/exhibits/mainframe/mainframe_PP7090B.html (1782 words)

	IBM 7090/94 Architecture Home Page
		The IBM 7090/94 series was the most popular family of large second-generation transistorized mainframe computers and was designed for "large-scale scientific and technological applications".
		By 1965, over 300 IBM 7090/94 systems had been installed with an average purchase price of about $3-million (most were rented from IBM for about $70,000 per month or for about $450,000 per month in today's money as adjusted for inflation).
		In low-end installations, IBM 1401(s) would typically be used to read cards and transfer the information for input to the 7090/94 from magnetic tapes.
	www.frobenius.com /7090.htm (1017 words)

	IBM Archives: 709 Data Processing System
		The IBM 709 Data Processing System was a large, general purpose digital computer designed to solve complex problems in areas of commercial and scientific interest.
		IBM 709 Central Processing Unit for coordination of all 709 activity.
		IBM 729 Magnetic Tape Unit and IBM 755 Tape Control for high speed storage and tape powering control.
	www.ibm.com /ibm/history/exhibits/mainframe/mainframe_PP709.html (706 words)

	Fool.com: IBM's Accounting Tricks [Fool on the Hill] February 20, 2002
		In her column (free subscription required) last Friday, she examined IBM's sale of its optical transceiver business to JDS Uniphase (Nasdaq: JDSU) for $340 million on the last day of last quarter.
		A careful analysis of IBM's 1999 10-K reveals that the company used at least $1.6 billion of the $5 billion generated by the sale of its Global Network business in a similar fashion.
		I first warned investors about IBM in January 2000, highlighted last May how the company's overly aggressive pension-fund accounting was inflating earnings, and only a month ago, wrote that IBM "recently reported fourth-quarter sales that were lower than those five years ago.
	www.fool.com /news/foth/2002/foth020220.htm (915 words)

	Fifty years of IBM innovation with information storage on magnetic tape
		The IBM 729 Model III, with the introduction of pairs of three-position assemblies which moved pinch rollers that allowed the tape to be engaged by the appropriate capstans, called prolays, allowed improved start-stop performance and a significant reduction in mechanical complexity.
		As the 20th century drew to a close, the IBM LTO was announced, and a new technology roadmap began for tape [17].
		The IBM LTO Model 3580 head was the first IBM tape drive recording head to break away from the older modular closed and contoured head designs that had carried the burden of linear tape drive recording for so long.
	www.research.ibm.com /journal/rd/474/bradshaw.html (5683 words)

	IBM 1410 - Jay Jaeger (Site not responding. Last check: )
		Because the IBM 1410 was a decimal, character-oriented system, the lights were not encoded in binary, somewhat atypical as compared to most mini-computers and some mainframes of the day.
		One interesting characteristic of the IBM 1410 was that it could also, at the flip of a switch, fully emulate it's predecessor, the immensely popular IBM 1401.
		The IBM 1410 SPOOL program (SPOOL stands for Simultaneous Peripheral Operation On Line) was used on 1410's that had replaced IBM 1401's which were often used for card-to-tape and tape-to-print operations, essentially acting as "front ends" for IBM's powerful 7000 series scientific computers of the day.
	webpages.charter.net /thecomputercollection/ibm1410/ibm1410.htm (576 words)

	IBM Stretch (aka IBM 7030 Data Processing System)
		IBM was not able to commit to as rapid a delivery as UCRL desired, so instead proposed a more powerful machine.
		IBM feared that Los Alamos Scientific Laboratory (LASL) might order a LARC, but in September of 1955 made a preliminary proposal to LASL which was received with interest.
		IBM began design studies, and starting in November of 1955, a series of "Stretch Memos" proposed the development of a computer with performance "100 to 200 times the 704".
	www.brouhaha.com /~eric/retrocomputing/ibm/stretch (1930 words)

	BRL Report 1961
		Westinghouse Media Speed Magnetic Tape IBM 729 II75 in/sec 15,000 or 42,000 char/sec Character rate varies due to high or low density tape option.
		To her right are a 1405 disk storage unit, a 7330 low-cost magnetic tape unit and two 729 magnetic tape units.
		The IBM 1620 is a compact, all transistorized computer which handles the complicated formulas encountered in solving engineering and scientific problems in industry.
	ed-thelen.org /comp-hist/BRL61-ibm1401.html (3675 words)

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	Jóhann Jóhannsson : IBM 1401, A User's Manual : www.ausersmanual.com : Credits / Downloads
		IBM 1401, a User´s Manual was written, arranged and produced by Jóhann Jóhannsson.
		All electronic sounds were derived from the IBM 1401 Data Processing System and the Hammond B3 organ with Ring Modulator, Distortion and Filter pedals.
		The music and sounds of the IBM 1401 Data Processing System were recorded by Jóhann Gunnarsson, Örn Kaldalóns and Elías Davíðsson in Reykjavik in 1971.
	www.ausersmanual.com /credits (285 words)

	Amazon.com: IBM 1401, A User's Manual: Music: Johann Johannsson,Mario Klemens,The City of Prague Philharmonic,Jóhann ... (Site not responding. Last check: )
		The IBM 1401, one of the first affordable business computers, was in service from the late 1960s to the early 1970s, and the recordings were made by the composer's father.
		The story behind the release is interesting, and definitely worth retelling, as Jóhannsson's father worked for IBM in Iceland roughly 40 years back when they got their first 1401 Data Processing System.
		Please note that we are unable to respond directly to all feedback submitted via this form, but we'll ask you to sign in so we can contact you if needed.
	www.amazon.com /1401-Users-Manual-Johann-Johannsson/dp/B000I0SGSA (1400 words)

	Johann Johannsson: IBM 1401, A User's Manual \| Puddlegum
		Johann Johannsson is adding to the list of great albums from Iceland that have floated into the indie rock embrace with the release of IBM 1401, A User's Manual.
		As the story goes, Johann's father (Johann Gunnarsson) was an IBM computer technician, working on the IBM 1401 mainframe computer forty years ago.
		Inspired by the melodies and sentimental beauty of the story, Johann Johannsson wrote a movement for a string quartet "to be performed by a string quartet as the accompaniment to a dance piece by the choreographer Erna Ómarsdóttir." Johannsson performed A User's Manual in 40 cities in Europe before recording the album for 4AD Records.
	www.puddlegum.net /?q=johann-johannson-ibm-1401-users-manual (285 words)

	Jóhann Jóhannsson - Ibm 1401: A Users Manual : album review
		Back in what middle-aged people are already referring to as 'the day', the arrival of the first affordable calculators into the family home induced a level of wonderment now only matched in awe by endless incidents of modern tragedy.
		Building on the tapes of sine-wave tones recorded by Jóhannsson Snr, IBM 1401, A User's Manual is a work of soaring melancholy mitigated by the discovery of a kind of new life.
		Contrasting the clipped instructional detail of a technical manual with the butterfly metamorphosis of the 401's first stirrings, Jóhannsson pulls off a master stroke of poetic disparity between the mechanical and the spiritual.
	www.musicomh.com /albums/johann-johannsson_1006.htm (627 words)

	Dr. Dobb's \| It's Not Easy Being Green (or "Red"): The IBM Stretch Project \| August 12, 2001
		In the early to mid 1950s, IBM and UNIVAC, the only two large companies building computers, were beginning to consider transistors as a viable manufacturing technology for their products.
		While customers were generally happy with the machine's performance, Stretch was considered a failure within IBM for not meeting its speed benchmark—with the consequence that IBM had to reduce the price from $13.5 million to $7.78 million, thus guaranteeing that every machine was built at a loss.
		Hundreds of IBM engineers had dramatically pushed the industry forward during the Stretch project, and Stretch alumni went on to contribute to some of the most important technologies still in use today.
	www.ddj.com /184404007 (1253 words)

	Upgrading the Hard Disk in the IBM ThinkPad 600
		The IBM ThinkPad 600 is a terrific machine at a fair price, except for the cost of IBM Upgrades -- the 6.4 GB hard disk upgrade (Model 02K0518) goes for a ridiculous $729 IBM Price (as of this writing).
		Be warned that this OEM drive will probably come with no documentation, and that there will be no end user IBM warranty (end user IBM warranties only come with retail packaging) -- you'll have to depend on your reseller for a warranty, so choose one with care.
		Remove the drive retaining screw (near the front of the case) with a coin, and then gently pry off the nearby drive cover.
	navasgrp.home.att.net /tech/tp600dsk.htm (584 words)

	- IBM Makes Computing More Accessible to Maturing Workers - IBM TECHNOLOGY
		IBM to encourage employees to become math and science teachersby Brian Bergstein (478)
		IBM to promise today not to use genetic data for hiring, benefits (388)
		IBM to release near-ready DB2 Viper database (204)
	www.ibmtechnology.com /modules/news/article.php?storyid=266 (5514 words)

	GIGWISE, Johann Johannsson - 'IBM 1401, A Users Manual' (4AD) Released 30/10/06 (Site not responding. Last check: )
		The IBM Data Processing System was considered the Ford 'Model T' of its time, and Johann's father was Iceland's chief maintenance engineer for the machine as well as a musician.
		Tones were synthesised from the strong electromagnetic waves of its memory by placing a radio receiver next to it producing sounds/melodies as a melancholic sine-wave.
		'Part 3 - IBM 1402 Card Read-Punch' features emotive strings with a long 10 minute movement proving a balm to the furrowed-brow; 'Part 4 - IBM 729 II Magnetic Tape Unit' continues with a warm bath-soak of orchestration and Whale-crys (??) adding to the drama and mystery.
	www.gigwise.com /contents.asp?contentid=24221 (423 words)

	IBM 1401 an der TH Darmstadt - diverse technische Details
		IBM 1401 an der Technischen Hochschule Darmstadt (1964-1974):
		Das System wurde als Vorrechner zum System IBM 7040 genutzt.
		IBM 1406 (Additional Core) 20,100 to 575 to Storage (3 models) 55,100 1,575
	www.tu-darmstadt.de /hrz/historie/ibm1401-details.html (884 words)

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	Slant Magazine - Music Review: Jóhann Jóhannsson: IBM 1401 – A User's Manual
		Slant Magazine - Music Review: Jóhann Jóhannsson: IBM 1401 – A User's Manual
		As the 15th anniversary of Madonna's most controversial album approaches, Slant takes a look back at the music behind the hype.
		Some theorists claim humans can simulate anything with a computer, even a soul, and with IBM 1401 – A User's Manual, Jóhannsson comes chillingly close.
	www.slantmagazine.com /music/music_review.asp?ID=1006 (122 words)

	Jóhann Jóhannsson :: johannjohannsson.com :: Johann Johannsson (Site not responding. Last check: )
		Inspired by a recording of an IBM mainframe computer which Jóhann’s father, Jóhann Gunnarsson, made on a reel-to-reel tape machine more than 30 years ago, the piece was originally written to be performed by a string quartet as the accompaniment to a dance piece by the choreographer Erna Ómarsdóttir.
		For the album version, Jóhann rewrote the entire score, and it was recorded by a sixty-piece string orchestra.
		The full story of the album can be read at ausersmanual.com
	www.johannjohannsson.com /2006/09/johann_johannson_ibm_1401_a_users_manual.html (144 words)

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