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Path: ...!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lynn Wheeler <lynn@garlic.com> Newsgroups: alt.folklore.computers,comp.arch Subject: Re: Signetics 25120 WOM Date: Wed, 20 Nov 2024 17:02:24 -1000 Organization: Wheeler&Wheeler Lines: 12 Message-ID: <87a5dt5lxb.fsf@localhost> References: <vhlmol$9m0d$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 21 Nov 2024 04:02:34 +0100 (CET) Injection-Info: dont-email.me; posting-host="f6dc0ab063318beec1cd19c1ae40997b"; logging-data="400145"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19VthOhwcMzNX+tEfWO11ZBbqurD83PfFE=" User-Agent: Gnus/5.13 (Gnus v5.13) Cancel-Lock: sha1:rnF427KfWFy51cmkpSqqM00Bhkk= sha1:fZqB45omyzxpgouAd4JhF1w0TcA= Bytes: 1505 Lawrence D'Oliveiro <ldo@nz.invalid> writes: > Back in the 1970s, Signetics put out a joke data sheet for a “Write-Only > Memory” chip. Basically any data you sent to it would be simply thrown > away, and attempts to read from the chip would never return anything. They > were surprised to get a few serious queries from prospective customers > wanting to make use of this component. i have some vague memory from the period using it (or something similar) for optimal compression -- virtualization experience starting Jan1968, online at home since Mar1970