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From: db21@ihuxk.UUCP (Dave Beyerl)
Newsgroups: net.micro.trs-80
Subject: Urgent - need disk parameters for CP/M
Message-ID: <965@ihuxk.UUCP>
Date: Wed, 29-May-85 07:00:36 EDT
Article-I.D.: ihuxk.965
Posted: Wed May 29 07:00:36 1985
Date-Received: Thu, 30-May-85 07:18:42 EDT
Distribution: net
Organization: AT&T Bell Laboratories
Lines: 40


	I have been asked to assist someone who is trying to read
TRS-80 Model 4 CP/M formatted disks on a NEC PC-8800 computer.  The
NEC allows for a disk drive to be configured in memory, but requires
a knowledge of the parameters of the disk to be read.  As I do not 
know these parameters, I am asking your assistance.  The following
is the list of parameters I need to know:

	sectors per track -
	block shift factor -
	block length mask -
	extent mask -
	maximum disk size -
	maximum directory size -
	allocation vector zero -
	allocation vector one -
	check vector size -
	system track offset -
	software translate factor -


	I may also need to know:

	first sector ID -
	last sector ID -
	density -
	gap length for format -
	fill byte -
	physical skew -
	sector size -
	gap length for read/write -

	I would appreciate any help you can give me.  Please reply 
by mail as I am not a reader of this news group.  Thanks in advance
for your help.


For every problem there is one           	Dave Beyerl
solution which is simple, neat,                 ihuxk!db21
and wrong!