Path: utzoo!mnetor!uunet!lll-winken!lll-lcc!ames!hao!gatech!uflorida!codas!flnexus!kimbal!rick
From: rick@kimbal.UUCP (Rick Kimball)
Newsgroups: comp.sys.mac
Subject: Re: dqDrvSiz
Message-ID: <689@kimbal.UUCP>
Date: 1 Mar 88 04:03:26 GMT
References: <978@ut-emx.UUCP>
Organization: Mac Source BBS, Altamonte Spgs, FL
Lines: 27

From article <978@ut-emx.UUCP>, by rick@ut-emx.UUCP (Rick Watson):
> Does anyone remember the extension made to the drive queue entry
> to allow drives with more than 65536 blocks?  It had something to do
> with putting the high-order bits somewhere else, but I can't remember where.
> 
> Rick Watson

From Inside Macintosh Volume IV page 181.

        Type DrvQEl = RECORD
                qLink:     QElemPtr;       { next queue entry }
                qType:     INTEGER;        { queue type }
                dQDrive:   INTEGER;        { drive number }
                dQRefNum:  INTEGER;        { driver reference number }
                dQFSID:    INTEGER;        { file-system identifier }
                dQDrvSz:   INTEGER;        { number of logical blocks }
                                           { on drive }
            *   dQDrvSz2:  INTEGER;        { additional fields to handle }
                                           { large drive size }


* I think this is the field you were looking for.

-- 
Rick Kimball       Software Design Group
                   Maitland, FL 32751
                   (305) 660-0006
                   UUCP: rick@kimbal, ...codas!flnexus!kimbal!rick