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Website activity of year 2007 -

July 24

Added January 22 Meeting

Website activity of year 2007 -

July 24	Added Signal interface to Control Box from Dick Oswald, July 24, 225 KByte .pdf Ed's understanding of Signal Interface from Ed Thelen
July 7	Added July 3 meeting notes and Dick's schematics
Jun22	Added Joe Feng's PowerPoint of data on the RAMAC
May11	Added May visit to Joe Feng
Mar17	Added 2690913.pdf - Magnetic Memory Device - 500 K Bytes by J. Rabinow - filed March 14, 1951
Feb27	Added Some RAMAC patents
Jan 6	Added RAMAC in the news

Website activity of year 2006 -

Nov27	November meeting report
Oct20	Track Pot Corrections
Oct20	linked in Track Pot White Paper
Oct16	added Access Mechanism For The 350 Random Access Memory- 211.076.100 1.5 megabytes by W.E. Dickinson, Feb 24,1956
Aug12	added 305 RAMAC - Character Coding page 71 of 22-6264-1-IBM-305-RAMAC-ManualOfOperation.pdf below 305 RAMAC Manual of Operation - 150 pages 27 megabytes .pdf
Jul21	added Senior Design Project Report - Phase2 .pdf 3.1 megabyte - no comment added IBM - Notebook - 2006 Jul 19 .pdf 1.8 megabytes - 19 pages of RAMAC entries -Feb 2003 to Sept 2003
Jul20	Ed Thelen took some measurements, including clutch inductance
Jul12	Meeting notes for July 12
Jul04	added - LeCroy Digital Oscilloscope 9300C Operator Manual RevA 5.3 megabyte .pdf - LeCroy Digital Oscilloscope Remote Control Manual 2 megabyte .pdf - an exe file from LeCroy exploring their oscilloscopes? I didn't try it - 5 megabytes - LeCroy discontinued product manuals .html all above, and the Jul02 manuals below, from Joe Feng
Jul02	added BASIC programs used by Santa Clara students to position the RAMAC added IBM RAMAC 305 Customer Engineering Manual of Instruction - Form 227-3534-0 (undated?) scanned by Joe Feng. 15.5 megabytes .pdf
Jun30	added Some pictures of this RAMAC and environment
Jun28	added IBM 650 RAMAC - Manual of Operation - Preliminary Edition" lent by LaFarr Stuart, note, a later edition than on bitsavers.org - placed here for timing of "355 RAMAC" operations - 4.6 megabytes pages 23-30 for timing information - 400 Kbytes
Jun26	added "RAMAC RESTORATION PROJECT" Senior Design Project Report, dated June 9, 2004, by Chris Hong, Hagop Kozanian and Neal Rambhia, "borrowed" from Dick Oswald
Jun21	added Meeting information of meeting Tue June 19
Jun19	added info on analog switches, possible replacement for relays, 15 volt input max add beginning of a proposed GUI ??
Jun13	added IBM RAMAC-350 Parts Catalog Form 12-7756-0 2.3 megabytes and IBM-305 Form 227-3533-1 CE-RefMan - mostly RAMAC scanned 8 megabytes
Jun06	started this web site

If you have comments or suggestions, Send e-mail to Ed Thelen

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