4.
Disk size - The size of the floppy or hard disk.
5.
Type of drive - Either floppy or hard.
6.
For floppy disk systems, the physical location of the drive.
1 - lower
2 - upper
4 - middle of the disk expansion cable
8 - end of cable
7.
Number of cylinders - The number of cylinders available
in
the
drive.
8.
Density - The data density of the disk accessed
in
the drive.
Dden = Double density
Sden = Single density
9.
Number of sides - The number of sides the disk being accessed
has.
1
=One
side
2=Two
sides
10.
Step rate - The step rate of the drive
in
milliseconds. Step rate
is
the speed at which the disk drive head
is
moved from cylinder
to cylinder.
11.
Delay time - The delay time when accessing a 5" floppy disk.
Delay time
is
the amount of time the system waits after starting
the drive motor before
it
attempts to access the disk.
NOTE: The Step rate and Delay time are preset for this system.
~"
Information needed to change these settings can
be
found
in
the
Technical Reference Manual (Cat.
No.
26-2110).
*KI < = X'0893'
*00
< = > X'0B8A'
*PR =
>*L0:
*TD & = > X'0DE8'
*SI
<=
Nil
*SO
<=>Nil
*JL =
>Nil
*FF
<#>
[Inactive] X'0FD4'
*TD
<=
>PRINTITXT: 0
*L0
= > X"0DE8'
In
the logical device portion of the device table:
> = indicates
an
input device
= > indicates
an
output device
< = > indicates a device capable of input and output
# indicates a filter
I indicates a link
If you add a driver or filter to the default system, the DEVICE
command shows the address where a device transfers control to its
driver or filter.
If
more than one filter or driver
is
associated with the
same device, the first driver's address
is
displayed.
It
also shows the
interaction between devices and/or files.
1-66
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