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- Path: sparky!uunet!inmos!fulcrum!bham!warwick!doc.ic.ac.uk!sot-ecs!pjc90
- From: pjc90@ecs.soton.ac.uk (CHERRIMAN PJ)
- Newsgroups: comp.os.msdos.misc
- Subject: Re: EMS and UMB's under EMM386?
- Message-ID: <14299@ecs.soton.ac.uk>
- Date: 26 Jan 93 16:11:24 GMT
- References: <1993Jan14.160010.203462@uctvax.uct.ac.za> <1993Jan21.182428.4485@dcatlas.dot.gov>
- Sender: news@ecs.soton.ac.uk
- Lines: 42
- Nntp-Posting-Host: davinci
-
- In <1993Jan21.182428.4485@dcatlas.dot.gov> joet@dcatlas.dot.gov (Joe Trott) writes:
-
- >shtmar04@uctvax.uct.ac.za writes:
-
- >>I've never understood, (or pretended to understand) the ins and outs of PC
- >>memory control - and now I'm stumped. Could someone please tell me if I can
- >>allocate some memory to EMS (not all) and still have UMB's? Sorry for the
- >>ignorance!
-
- >>My system: 4dos4.01, 486DX, 8megs RAM, using smartdrv with 2megs of it!
- >>If I try giving EMM386 a number it fetches me that amount of EMS but doesn't
- >>give me UMB's - ergo little conventional memory left.
-
- >>CONFIG.SYS contains : DEVICEHIGH=EMM386 noems i=E000-EFFF
-
- >>What should I change the noems to?
-
- >Make sure you have the line : DOS=HIGH,UMB in your config.sys. Then you can
- >take out the noems i=e000-efff parameter. Replace it with the amount of
- >ems you need, e.g. :
-
- >device=himem.sys
- >device=emm386.exe 4096
- >dos=high,umb
- >...
-
- >..will load DOS in the HMA, will make 4096K (4mb) available as ems, and will
- >give you access to UMBs for devicehigh and loadhigh statements.
-
- I think this is wrong, on my system I have:
-
- emm386 i=e000-efff ram
-
- The ram or noems switch is required for UMB's
-
- SO for 1M of EMS use:
-
- emm386 1024 i=e000-efff ram
-
- Peter Cherriman - pjc90@uk.ac.soton.ecs
-
-
-