Path: csiph.com!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: John Ames Newsgroups: comp.os.linux.misc Subject: Re: Blast From Past - IBM 670 Mag Drum Computer Date: Mon, 7 Jul 2025 09:09:41 -0700 Organization: A noiseless patient Spider Lines: 11 Message-ID: <20250707090941.00000774@gmail.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Injection-Date: Mon, 07 Jul 2025 18:09:45 +0200 (CEST) Injection-Info: dont-email.me; posting-host="bbf982183c8ec9faed8ffd4769fd5156"; logging-data="3076455"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/yLNojZVmbSsX18RM6tL70MBdrXjizhfw=" Cancel-Lock: sha1:GJn1YNyE1EC7S81Hk53apGEp0J4= X-Newsreader: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Xref: csiph.com comp.os.linux.misc:69456 On Sat, 05 Jul 2025 13:30:01 GMT Charlie Gibbs wrote: > When the CE came in to investigate, he pulled one of the main circuit > boards and a VLSI chip fell off it. The thermal cycling had caused > the chips to literally walk right out of their sockets. Hah, wow - "chip creep" is a fairly common cause of marginal behavior in old home computers (particular in the era of NMOS ICs,) but that's the most extreme case I've heard of!