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From: dlow@pollux.svale.hp.com (Danny Low)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: Question: DOS 5 and UMB's
Message-ID: <4690025@pollux.svale.hp.com>
Date: 14 Jun 91 23:29:35 GMT
References: <4685@inews.intel.com>
Organization: HP Lovecraft Division
Lines: 18

>Currently I'm using QEMM's loadhi utility to put drivers and TSRs into high
>RAM (UMB's). I am not specifying DOS=UMB in my CONFIG.SYS file because I'm
>not quite sure what this line is really supposed to do. The manual just says
>something to the effect that DOS=UMB tells DOS to maintain a link to the
>upper memory blocks. What are they talking about? What is this link? Should
>I put DOS=UMB into CONFIG.SYS even though I'm using QEMM to manage high RAM?
>It seems to work without it.

If you read the manual you would know what UMB does. :-) It enables
the devicehigh command which does what the QEMM loadhi command does.
You need to have EMM386.SYS loaded to use devicehigh. Since this
duplicates the QEMM loadhi function and that works for you, I would 
stay with QEMM.

			   Danny Low
    "Question Authority and the Authorities will question You"
	   Valley of Hearts Delight, Silicon Valley
	     HP NPCD   dlow@pollux.svale.hp.com