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- From: evans1@cbnewsm.cb.att.com (Dan Evans)
- Subject: Hard drive caches and smartdrv
- Organization: AT&T
- Distribution: usa
- Date: Wed, 19 Aug 1992 20:50:27 GMT
- Message-ID: <1992Aug19.205027.17030@cbnewsm.cb.att.com>
- Keywords: caching harddrives
- Lines: 28
-
-
- Hi Netters,
-
- I have a question regarding hard disk caches and smartdrive.
-
- I'm running a 386SX with a 80 MB hard drive. I just installed a
- Quantum Hardcard 2 105XL. The hardcard itself has a cache on the
- controller and for the sake of argument I will assume that the
- original HD has an on-board cache as well.
-
- I am running the smartdrv version from MS-DOS 5.0 with the read
- and write caches enabled for all HD's and the read caches enabled
- the floppy drives (the smartdrv default).
-
- The question I have is:
-
- Am I double caching unnecessarily? According to smartdrive the
- cache gets smaller when windows is actually running and I have the
- minimum cache size set to 0 so that windows will come up in 386 enhanced
- mode by default instead of standard mode. If the size of the cache
- from smartdrive (when windows is running) is smaller then the cache
- on the hardcard would I gain (or lose) anything by disabling the
- read/write caches that smartdrv creates?
- --
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