Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!aramis.rutgers.edu!topaz.rutgers.edu!kaldis From: kaldis@topaz.rutgers.edu (Theodore A. Kaldis) Newsgroups: comp.sys.ibm.pc Subject: Re: Writing to extended memory Keywords: extended memory Message-ID:Date: 16 Aug 89 12:14:04 GMT References: <1145@hcx1.UUCP> <693@jc3b21.UUCP> <12048@orstcs.CS.ORST.EDU> Distribution: usa Organization: Rutgers Univ., New Brunswick, N.J. Lines: 21 In article <12048@orstcs.CS.ORST.EDU> cowl1453@neptune.uucp (Tim Cowles) writes: > I am working on a realtime PC program that uses a very high baud rate > serial card to aquire roughly 1Mbyte of data from a remote probe. The > problem is that I cannot write to the drive while accepting data from > the serial stream, the timing is too tight and I lose data. > Is there a reasonable way to write, during runtime and without using a > virtual disk drive (same problem!), to the memory in my machine above 1M ?? > (It seems like it can be done, the virtual disk device driver does it. ) I seem to recall that even VDISK.SYS has the very same problem when running in expanded memory -- or at least that there is a caveat in the IBM DOS manual about it. -- Theodore A. Kaldis | "Perhaps we may +-+-+-+-+-+-+-+-+- | frighten away email: kaldis@topaz.rutgers.edu | the ghost of so UUCP: {...}!rutgers!topaz.rutgers.edu!kaldis | many years ago U.S. Snail: P.O. Box #1212, Woodbridge, NJ 07095 | with a little ex-Ma Bell: (201) 283-4855 (voice) | illumination . . ."