Zenith Z-100 Series, User Manual

Page: 113 / 150

Page 4-21
Table 4-1. W i n c h e s ter Disk D rive Config ur a t i o n
Pin
Pair Section
Number
1-16
2-15
3-14
4-13
5-12
6-11
7-10
8-9
*Pin pairs 3-14 and 4-13 (section 3 and 4) are set at the
factory; the programming plug is properly configured for
the drive it is installed in. If you change or move program-
ming plugs, you should check the following portion of
this table and properly set these two sections according
to the phase code of the disk drive. The phase code is
printed on a label on the disk drive case.
Hardware Unit Number
2
Open
Open
Short Short
Factory Set*
Factory Set*
Open Open
Open Open
Open
Short
Short Open
• U se tw o 6- 3 2 x </~ " s crews to m o u n t a d r i v e
bracket t o e i t h e r s i d e o f t h e d r i v e c h a s sis as
shown.
• R efer t o P i c t o r i a l 4 - 2 5 a nd c a r e f u l ly p o s i t i o n
t he Winchester drive at the top of th e d r i v e
c hassis and s ecure i t i n p l a c e w i t h f o u r 6 - 3 2
x V~" phill ip s head screws as shown.
• Sim i l ar l y , m o u n t t h e r e m a i n i n g d r i v e b r a c k e t
• R efe r t o De t a i l 4 - 2 5 B a n d m o u n t t h e s h i e l d
p late to t h e W i n c h e ster d r i v e a s s h o w n . U s e
four 6-32 x V~" screws, NOTE; The shield pl at e
will fit correctly only one way .
to the other side of the drive chassis.
Pin
Pair
Section Phase Code
Number C
D
E F
3 o pen op en sh ort short
4 o pen sh o rt open shor t
3-14
4-13
6 — 32 x 1/ 4 "
S CR E W
S HI E L D
P L A T E
w,A
8 0
W IN C H E S T E R
DRIVE
I
9 8
Detail 4-25B