I still remember the 360-40 I programmed on in my first job, and having to know how to wire wrap the magnetic core memory modules, incase one went bad and needed repairs/replacing.
I sort of miss the huge multi light display panels, especially the rows attached to the data and address busses. -----Original Message----- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Bruce Black Sent: Friday, March 23, 2007 10:14 AM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: History - Early Green Card The 360-20 was a unique system, with a much smaller set of instructions than the rest of the 360 line. Hang on to that, there are probably very few left -- Bruce A. Black Senior Software Developer for FDR Innovation Data Processing 973-890-7300 personal: [EMAIL PROTECTED] sales info: [EMAIL PROTECTED] tech support: [EMAIL PROTECTED] web: www.innovationdp.fdr.com ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
