Sharp PC7000A User Manual

(2.2) FDD Write, Read & Compare
(2.2.1) Outline
This program serves to check that the write/read operation
is properly performed in such a manner that the system
writes data to the floppy disk, reads the same data from the
floppy disk, and then compares them. (The data to be
written is 00 to FF increment pattern when the number of
times test pass is 000; otherwise the data is 4-byte repetitive
pattern of "EB6DB6DB".)
The program causes all cylinders from 01 to 39 to be
tested.
***********************************************
: When this test is conducted, all the contents stored in :
:
the disk are destroyed. So be very careful with this :
: test. :
: In addition, it is necessary to release "Write Protect"', :
: when excute this test. :
***********************************************
(2.2.2) Operation
(a) Specification of Device
(a.l) Specification of Test Drive
Test drive?
[0:
Drive A, 1: Drive B, 2: Drive A & B) = [i!
Specify the FD drive name(s) to be tested.
Press [[0)) to test only the FD drive A; press [[ 1 )) to test
only the FD drive B; press [[2)) to test both the FD drives
A and B. (However, note that when both the FD drives are
tested, their disk formats should be the same. If their disk
formats
are not the same, separately conduct the test by
specifying a single FD drive (A or B)).
If the FD drive being specified is in the Not ready state, the
system displays the following message on the lower screen
and stops testing the FD drive.
"Drive not ready."
At the time, by pressing [[ESC)), control exits to the FDD
test menu (Figure
FDD·l).
(a.2) Specification of Range of Cylinders to Be Tested
Cylinder scope?
[01<->39)= [i![i! - [i![i!
Specify the range (scope) of the cylinder to be tested by
entering the first cylinder number and the last cylinder
number. For example, when entering "10 - 12" if the test
disk
is the 09 sectors/track format, the test range from
10.0.01 to 12.1.09 is specified.
When entering both cylinder number are
[[.,I)) only or
[[0)) + [[.,I)), the entire range of cylinders is specified.
In this case, if a 09 sectors/track format disk is used,
cylinders from 00.1.01 to 39.1.09 are specified.
(a.3) Specification
of Counting Sectors
Specify the numbel" of counting sectors capable of being
processed by one instruction.
-15-
PC-7000A
PC-7100
This counting value depends on the disk format for use. For
example, when a 09 sectors/track format disk is used, the
system displays the following message.
Sector count?
[1,3,9) = [i!
When a 08 sectors/track format disk is used, the system
displays the following inquiry.
"[1,2,4,8) = [i!"
If other value which is not displayed is entered, the system
does
not accept such a value and requires proper data entry
once again.
When entering [[0) ) to [[.,I)) or only [[.,I)), assiumig
that the maximum value of the sector count is specified,
the system
executes the next program.
(a A) Specification of Read after Write
Read after write?
[0: Yes, 1: No) = [i!
Specify whether to perform the read-after-write procedure.
To perform the read·after·write procedure, press [[0) ) .
Otherwise, press [[1) ) .
(b) Test
(b.l) Specification of Number of Times Retry
Retry
count? [0 < - > 4) = [i!
Specify the number of times retry.
While the system reads/writes data from/to the disk, if it
detects an error (including an error caused in the read-after-
write test), it tries to perform the same operation for the
number
of times specified.
(b.2) Specification of Error Stop
Error stop? [0: Yes, 1: No) = [i!
-------------------------
If an error occurs while conducting the test, specify
whether to abort or continue the test.
(b.3) Confirmation of Test Execution
Test start
? [0: Yes, 1: No) = [i!

Sharp PC7000A Specifications

General

Brand	Sharp
Model	PC7000A
Category	Desktop
Language	English