Tandy 6000 HD, Service Manual

Page: 281 / 416

TABLE 3 -3
OPTION PATCHING
O ption
Trace
D esignator
As Shipped
Installed
N o t
Installed
D r iv e S e le c t
D S 1 - D S 4 D S l
D S 2 - D S 4
H e a d S e le c t
S I — S3 S2 S I, S3
H e a d S e le c t U s in g D r iv e S e le c t 1 B - 4 B
X
P o w e r S ave
P S X
S te p p e r P o w e r F ro m H e a d L o a d L in e H L
X
S p in d le M o to r C o n tr o l M l , M 3 , M 4
M l , M 3 M 4
M o to r C o n tr o l S ig n a l, L o w T ru e
M O L
X
M o to r C o n tr o l S ig n a l, H ig h T ru e
M O H X
M o to r C o n tr o l S e le c t M C 1 - M C 4
X
R e a d y
R
X
T r u e R e a d y
T R
X
L e v e r L o c k S o le n o id D L
X
I n U se, L e v e r L o c k O p tio n D
X
I n U se, L a tc h e d L L
X
I n U se, N o t L a tc h e d
N L X
D is k C h a n g e D C
X
T w o -S id e d D is k e tte I n s t a lle d
2S X
I n h i b i t W r it e W h e n W r it e P ro te c te d W P
X
A llo w W r it e W h e n W r it e P ro te c te d N P
X
E x t e r n a l W r it e C u r r e n t S w itc h
X C X
I n t e r n a l W r it e C u r r e n t S w itc h
IC
X
D ia g n o s tic M o d e D M
X