Talk:IBM 4300
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No ES/4381 models
[edit]This article misses the ES/4381 ESA-capable models. Martin Packer (talk) 10:22, 26 June 2008 (UTC)
Redirects?
[edit]Shouldn't there be redirects here from, e.g., 4381? Shmuel (Seymour J.) Metz Username:Chatul (talk) 18:38, 14 June 2010 (UTC)
- At least for 4381, there now are. Guy Harris (talk) 20:31, 7 April 2017 (UTC)
CMOS?
[edit]Are these CMOS processors? When did IBM make the transition to CMOS? Gah4 (talk) 07:09, 8 April 2016 (UTC)
- No, and "1994" according to IBM System/390 ES/9500 Enterprise Systems Architecture ESA family#S/390 computers and "by 1995" according to IBM's "A Brief History of the IBM ES/9500, System/390 and zSeries" (they explicitly speak of the 1995 machines as CMOS, but don't say anything one way or the other about the 1994 machines). Guy Harris (talk) 20:28, 7 April 2017 (UTC)
Model comparison table.
[edit]The model comparison table has significant flaws.
- It doesn't use a consistent metric for performance, making it impossible to compare the various models.
- It lumps together model groups with different performance levels.
- It doesn't indicate which model groups support XA and which support ESA.
Also, it may be appropriate to cite announcement letters from the IBM web site https://ibm.com/common/ssi as sources for announcement and withdrawal dates. --Shmuel (Seymour J.) Metz Username:Chatul (talk) 19:48, 14 July 2021 (UTC)