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- From: mccall@mksol.dseg.ti.com (fred j mccall 575-3539)
- Subject: Re: Shadow ROM, What is it?
- Message-ID: <1992Nov17.182639.23825@mksol.dseg.ti.com>
- Organization: Texas Instruments Inc
- References: <1992Nov12.163746.28611@mnemosyne.cs.du.edu> <1992Nov17.052040.29990@nuscc.nus.sg> <26610@optima.cs.arizona.edu>
- Date: Tue, 17 Nov 1992 18:26:39 GMT
- Lines: 15
-
- In <26610@optima.cs.arizona.edu> jin@cs.arizona.edu (Yu Jin Thio) writes:
-
- >Some of my computers have been set up with Shadow ROM enables, some without.
- >Can someone please tell me what this does? Is it meant to enhance performance?
-
- As a general rule, ROM is slow and RAM is fast. Shadow RAM (or Shadow
- ROM) is copying the ROMs to a specially designated area of memory and
- then executing the ROM code out of the faster RAMs. Yes, it is meant
- to enhance performance.
-
- --
- "Insisting on perfect safety is for people who don't have the balls to live
- in the real world." -- Mary Shafer, NASA Ames Dryden
- ------------------------------------------------------------------------------
- Fred.McCall@dseg.ti.com - I don't speak for others and they don't speak for me.
-