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- Path: sparky!uunet!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!att!fang!tarpit!tous!bilver!wbeebe
- From: wbeebe@bilver.uucp (Bill Beebe)
- Subject: Re: 486SX/25 vs. 386DX/33
- Organization: W. J. Vermillion - Winter Park, FL
- Date: Fri, 8 Jan 1993 14:46:41 GMT
- Message-ID: <1993Jan8.144641.15196@bilver.uucp>
- Keywords: 486SX/25 vs. 386DX/33
- References: <Jan.7.11.06.12.1993.11754@staccato.rutgers.edu>
- Lines: 22
-
- In article <Jan.7.11.06.12.1993.11754@staccato.rutgers.edu> xchen@staccato.rutgers.edu (Xinghao Chen) writes:
-
- >2. A 486SX/25 mother board with no cache. Also 8 RAM module slots.
- > The price is about $200. In the normal mode, it is about 22 MHz. In
- > the turbo mode, it is at 84 MHz. I was also told that I can late
- > update to 486DX/50 (the mother board has a socket for a 486DX/50 chip)
- > by pluging in a 486DX/50 and upgrading the crystal.
- >
- >It seems to me that choice 2 is more cost-effective. The only thing
- >bothers me is the fact that it has no cache on the mother board.
-
- That 486SX/25 motherboard uses memory interleaving to achieve reasonable
- executation speeds. This is the same design that was used in the 386DX/25
- motherboards. When you do decide to go to the higher clock chip, the chip
- is going to have a tremendous performance degradation because there is no
- secondary cache.
-
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