Talk:AMD Am2900

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Where used?[edit]

Does anyone know of any computers built with these? Dicklyon 03:06, 14 July 2006 (UTC)[reply]

Apparently the Xerox Dandelion, which was the machine used in the Xerox Star and Xerox 1108 Lisp machine, was built from 2900-series bit-slice parts [1]. The GEC 4090 was also apparently built from them [2], as was the DEC KS10 PDP-10 model [3]. There were probably others. Guy Harris 04:18, 14 July 2006 (UTC)[reply]
See if I got your comments represented right in the article. I took out the PDP-11 and put the rumored Russian clone. So everything has a source at least. Dicklyon 06:52, 14 July 2006 (UTC)[reply]

I put PDP-11 back, because it was indeed used in PDP-11/34/35 and probably others. Alex904 (talk) 00:16, 28 May 2009 (UTC)[reply]

Hi Alex. The PDP-11/34 does not use Am2900-series bit-slice chips. I have an 11/34 CPU board set in front of me. There is, however, a hardware floating-point option (FP11-A) for the 11/34, which is built around an array of sixteen AM2901s.

To my knowledge, no PDP-11 implementation was built around an Am2900 array. Some other DEC machines were, though. The KS10 (DECsystem-2020) is, as well as the VAX-11/730. (I have one of each of those systems) Mcguireatneuroticadotcom (talk) 00:29, 9 June 2009 (UTC)[reply]

The PDP-11/23 is based on an F11 chip. The floating-point option for the F11 was on a second carrier with additional microcode ROMs implementing the instructions that used the floating point registes already present in the main F11 chip. So far as I know, the AM2901 was not used for any part of the 11/23. The PDP-11 page has an image for the F11 (AKA "Fonz-11"). --Filker0 (talk) 00:39, 9 June 2018 (UTC)[reply]

Mothbagged?[edit]

Now THERE's a word and a half. What does it actually mean? Same as mothballed (in which case you're still going to have to explain what you mean in terms of it happening to an entire company... did that include the employees?), or something else? Yes, it's in the article text, i'm not just spamming randomly. 193.63.174.10 (talk) 16:55, 28 October 2010 (UTC)[reply]

move portions[edit]

I suggest moving nearly all the information in the section "List of AMD Am2900 and Am29000 families#Am2900 Family" to the Am2900#Members of the Am2900 family article, leaving behind a short WP:SUMMARY. --DavidCary (talk) 03:43, 10 January 2014 (UTC)[reply]

Incorrect information re Apollo[edit]

The statement that "The Apollo Computer Tern family: DN460, DN660 and DSP160. All used the same system board emulating the Mc68010 instruction set" is at least partially wrong. The Apollo DN460, at least, used a real Motorola 68010 processor because I owned a DN460 and swapped it's 68010 into my Amiga for a time. The 680x0 architecture would've been too complex to emulate practically in any non-ASIC form in the 1980's anyway. My guess is that it was used as part of the massive FPU boards that used some 'SPAD' firmware. Rabit (talk) 14:14, 7 June 2017 (UTC)[reply]

External links modified[edit]

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Performance[edit]

It would be interesting to see some information on performance, perhaps some benchmark results. — Preceding unsigned comment added by 207.153.13.119 (talk) 09:29, 5 April 2022 (UTC)[reply]