Article View: comp.sys.ibm.pc
Article #9141Re: Invalid drive problem
From: Kaleb Keithley
Date: Tue, 23 Jan 1990 16:35
Date: Tue, 23 Jan 1990 16:35
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1386 bytes
In article <1248@kannel.lut.fi> villikka@kannel.lut.fi (Juha Villikka) writes:
>
>I have problems with IBM PS/2 model 55 SX using PC-DOS 3.3.
>In the hard disk there is OS/2 1.1 EE. When I start the computer from
>floppy disk with PC-DOS it does not recognize hard disk driver C:
>and D:. When I try to go drive C or D, DOS says: "Invalid drive
>specification".
>
>Why I cannot use hard disk when I start the computer from diskette?
Because OS/2 1.1 uses the 32 bit FAT table, allowing disks up to 16 gigabytes.
DOS 3.3 only knows about 12 and 16 bit FAT tables. The partition ID byte
is what tells DOS whether the partition has a 12, 16, or 32 bit FAT. Try
DOS 4.01, or Compaq DOS 3.31, either of those should recognize the 32 bit FAT.
Chewey, get us outta here!
kaleb@mars.jpl.nasa.gov Jet Propeller Labs
Kaleb Keithley
Technical Details
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<2645@jato.Jpl.Nasa.Gov>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!lll-winken!elroy.jpl.nasa.gov!jato!mars!kalebReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!lll-winken!elroy.jpl.nasa.gov!jato!mars!kaleb From: kaleb@mars.jpl.nasa.gov (Kaleb Keithley) Newsgroups: comp.sys.ibm.pc Subject: Re: Invalid drive problem Keywords: HD, OS2 Message-ID: <2645@jato.Jpl.Nasa.Gov> Date: 23 Jan 90 16:35:59 GMT References: <1248@kannel.lut.fi> Sender: news@jato.Jpl.Nasa.Gov Reply-To: kaleb@mars.UUCP (Kaleb Keithley) Distribution: comp Organization: Jet Propulsion Laboratory, Pasadena, CA. Lines: 20