PC-7000A
~~===""~~i'.f09--
(2.4)
00
Track
Se~~~'I\,d,j~1t!'l~r'",
lli,;,):i'",',.)
(2.4.1) Outline
Tflis
program
serves-·-to--·ci1ecR
"'tnat'
the'
00-
trad("
sen-seif,
which detects
the
cylinder
O,by
seekingthe'head,positio~ed
at
the
cylinder a
to
cylinder4a~d
'byret~rning'th~
'h~ad
bacl<.to,
the
cylinderO,properly. functions and does,not
go
wrong.
;;':(2~_~~:~,:
',;~:~~aJi~~
,'j
'<,
',;,
';:-';;;
,".
,"J,
'_',;
:,:"~.,:_;J:,:
:-:)
'-);:
;;'''~
_:When,
~pe,cifying,
this
~e_st"enter,the:
proper ,qata,tQ_prompts
.1","
,
..
",
,
'_H"
,L,
,"
.,'
"d.,,"
..
" ,_
'_"
~_",'_"
j
displayed sequentially
as
',hown,in,
Fig~re"FQD:9.
'"''''
, (a) , ,Specification ,otOevice,"
):
.~;_;;o
';,
~_,
'~':;-)3';:~-:
':~,;:,~
__
:'
,;;!-;
:::-:Jil.._'j
-,,~pe~if!9'~fi~~,jOfT~~~prl~~
.:i
1 l:, . ,'")i'
1;'j,-1
";!',
Specify
the
FO
drive name
to
be
test,ed~,:--'
j~,,_~,;
>',
",'
Pre~~
J[PlJ,
;%'tesJ)th~ciP,fiv~;)>,;
pr,~ss
[[1]]
to
te!t, the
Drive
B.
If
the
FD
drive being specified
is'inth.
Not ready
state,
the
system displays the following message on the
lower screen
and
stops
testing
the
FD
drive;
?,Prh(e
rlot,
r~.ady'~~'
J"
!J
~
;<\\t,t~e
time,by
pressi~9
f
fE,SCI
l"
c.q~t(ol:e,xi,ts
,to
ih.,FPD
,itestJlleny,(Fjgur~fPp·n,
,
.
-:
'
(a
.2) Specification
of
Head
Specify which head
is
tested.
',,:,
;,
When
testiil!j-th,rside
a,
enier' [0]
i;Cwhen
te'sting'the side 1,
entedHi;
,',
'.11
"',':
(a.3) Confirmation
of
Test Execution
i "
---------
- -
-----:......-
----
--.:....-
.J'
",!!"
;;
,';1'
Teshtart?;'[o:
Yesi'"
N,,]=
,
~.,
j
Confirmwhethertoexecutethetest!6rn-ot
jl,'
;;
.,,'),,1
;, Wheri entering'
[[ll}
);control 'exits'to
,(
•.
1
),
~'SpecijiCatibn
of
Test
Drive":mentronedii01(a.l). On,the'other:hand,when
entering; [[0] ]',.the.syslem .staris
the
test. ;
,"
,;C,
;
..
;
'I
,I;:
,db))
Tes:tr.-,;,
'~"1']':';
'j-)'
_,L
,;;(b:1V;MovingHe~d"
".'1"
".:c
,ii;'
"'ii'
'
••
,
The system moves
the
head
frorinh.'cylinder
O:tbcylinder
"'Ia"d',
return"
the
head
to
the':cYlinaer:O.' With such' an
,:
operati,Qt1,) the'.-"systemJ
-can
i observe .
a~
signal' -from
the
:00
~'trac~:sensorasa:pulse"".i-"'~
._il
i~
·:
__
:>li
~:J,i
,!--)'Li
':iWhile'
:the
~FODr.is,
bperating';Jthe:; sYsterh'.-'does1hotj aet:ept
[[ESCll
and only displays,theifollowllig';message:
6H
'
ihe
center
screeh~,
~:'
i:;-;
':,j
~fi
j,;:;
,,"
o:;.',!
;1
"[[Head
moving]
l"
-lS-
(b.-Al-,,:_;,~p,e~if!ca:tjo.!1':
of:~R,~p~tltiy~
~T:,e,s,t)i
J
(:;:.:;)
Once the system completes the test, it displays the follow·
ingmessage on
the
lower',eft""screen.
-.
-
,,--
.-,
.-
-'''-
--
...
:'
..
-
ESC: end, Enter: continue,-rv'-irlUs:
~tar't?
-'I':
"-i'j',;~
,~Z~
-):
uhn>r':
'ifl{
»
r'"
,:",~)
U''-·_il
'Jl;;
.\i,,;:;-'l:~
,
,\;~f:,:,
reP,re~~f1ts)[
ESCU"
;By.,pr.~ssingdris'i,~ey,
~SWrol
;
~xllsJt,q
tq.,.
~Pl?:,tes~
,men~J
(Fjgyre.FDI?,U.
..•
"
:,e,j,,,",]
']
~ntw,reil~
..
serm:
n,""])
.)~y;pr~s?l'1gth;is",~~y"
cqn,tro
l
proceeds
to
Paragraph
(b.l}",,::,
'
...
, ",,'.i
',"
'",",,0'
1
\~M(
i,~,,~_~:'
re'p:~eJsrn,}~,;
[It:T;]l~~
;.",By;:p,r:~s,si,ng
J,hjs
:_~.~y,,'
~he
"$;YI$t~m
",r~sm~s
th~,.W~
~r.9%Par~g~aph:
(a;,
U{'Specifi9Mion
;qt;nst
,p'r!v~:
·,
..
,ji)
"j_,.-:;;,)i"
;i;)i>i
<'I
)j:
,,~'f;
r,:;
:':-,;")
~i(iJ
lJ"i]
b_>-I'
·..';:3
~:ll
I.
'~,:,
,::-j
: i';,;
,J,':
','
(c) Error Processing
While
the
FDD
is
gp~~r,a~iflg'-lgr)~Whil~:_
th~:)~Y$.t~rm
eX'eCl!~es
:'i~,~_e!
~~.ogrC\l~',.;
if
,~~;:
,~~rqr,:qC;S!,4r,s,!
,j:h!i!:'
$yst~.rYt
q'isp~ay_s~"the
.
command
pa-rameter
and
stat.I;J~)wh,~Ijl;Jhe
-err:or:pccurs;)"
;,-,
),1
:
::_)
':
< lin';
').,
l'
i'j:
Error occurred.
Param
=~iii~~~~~~~~
Status =
~~~~~~~~~~~~~~~~~~~~~~~~~~
"
(error message)
,.,!
n,'liJ
is,
,s,~al~",b.y
p,re,s
•
.i:ng;
U~S,Cl
J
·;.G9ntr.QI,e,!<its,tQ,
the"FP D
test
menu (Figure
F·OD-1).
'~f11.:~::).;;
PI
';'-l-)-'
.J'!'
, .-,j
",;.'
For details
of
error messages, see
(3),,'--
"J!
)
'i
i'
(2.5) Tracking Adjustment
(2~iU)
Outline:'
'
" ' ,
;'"
' "
""
" "
~:
' " " ' : " " ' , i '
~
i : - • '
:.:
--
i'
--"
' , .
c,,!;
:":
I
This program
se~ves.
to
adjust
the tracking
of
the
head
in
such a manne'r' th'a't'
da~a'
v\lt1:er~'
t~e'
sV~t~h1-
se~k1J t~e'
flead
from
the
outermost
cylinder 00
to
the
innermost
~.Ylinder
39
is
compare?
wit~
the
d~ta
w~ere
tile
systerb'i~ek{the
head
inth'e:re\~erS~idrde'ii.1'
.1n;:,.'/l "-'
:"-':,:,,"',-,
-13;:1~
I!.
(2.5.2) Operation
,..
•
When
specifying this test;:eritef'the
prod.r
dai~lt'"
~~ompts
di~playedseguentiallyas
sholo1!nin,Figur,e
FDD:7
..
(a) Specificatipn
of
Device ,
'(~:1'i:-J'
Sp'e6ifica,tih~J
81'
'fest Drive' 1,,-,-) i
::,..,~::'
_,,~-l'
-;s:;
r~:'"
-
_,,-:'::~
:;;';:;,
;it]]'.-r
):i;
- - - - - - -
--
...,..
- - - - - -
-.~;~~\~.!'7.~'TiljTt0:7-
-:---..,..--.,,--=-=--...,..---------------
Specify the
FD
drive name
to
be.
tested.,.
.".
. '.
Press
[[OJ
J
to
test
the':DriJe";(
pi~~;
[[j
j']
qi'J"t~~
I
the
Drivll
B.
If
the
FD.drive. b.eiogspeclfied.is
io
the,Notready
state, the system displays the following message on .the
"
:rdw~r'screeh;
a~:dJSt'6~Ps-:t~gtih~',th'·k
):::'6
'dd~~::J'.J
;'1,1
l;J
~~
r J
"Drive
not
ready."
"~;i
'l"
"',
_'ii.
ii,
''''
,lj
At
the
time, by pressing
[[ESCll,
control exits
to
the
FDD
test menu (Figure FDD-1).
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