Article View: comp.sys.ibm.pc.misc
Article #5744Re: Some 386 vs. 486 advice...?
From: Ashley L Brandwood
Date: Wed, 07 Oct 1992 11:22
Date: Wed, 07 Oct 1992 11:22
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David Ondzes (picasso@bass.bu.edu) wrote: : > Once 486DX or DX2 chips become cheaper, you can always : > upgrade, and probably for less than the difference in $$$ between an SX and : > a DX now. : : How is this possible ? Doesn't a SX have a simulated 32 bit bus while the DX : has a real 32 bit bus ? : The 486SX does not mean that it has a 16 bit bus, it actually means that the math copro is disabled (as was the original case) or not included in the chip atall. Technically speaking, the 486 DX could be used in the 486SX socket, but the pin outs are different, leaving you with one of two options: 1 hack the motherboard (definitely not recommended) 2 if there are jumpers on the board set them to DX : Is it possible to upgrade a 386SX to 386 ? : This is not possible in the same way as for the 486, however Cyrix do a 486 compatible with a 16 bit bus, that could -possibly- by used. Ashley
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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!brunel!ma90alb From: ma90alb@brunel.ac.uk (Ashley L Brandwood) Newsgroups: comp.sys.ibm.pc.misc Subject: Re: Some 386 vs. 486 advice...? Message-ID: <Bvr0wv.Bnq@brunel.ac.uk> Date: 7 Oct 92 11:22:04 GMT References: <PICASSO.92Sep29212159@bass.bu.edu> Organization: Brunel University, Uxbridge, UK Lines: 24 X-Newsreader: TIN [version 1.1 PL6]