Zenith Z-100 Series, Руководство пользователя

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Page 4-24
N OTE; DIP sw i tc h S 10 1 i s a n e i gh t s e ct ion s w i t c h
w hich d e t e r m i ne s w h a t d r i v e t h e C o m p u t e r w i l l
boot from w h e n p o w e r i s a p p l i e d . Y o u c a n s e l e ct
b oth the drive as well as an auto-boot fun c t ion u p o n
power up.
SECTION DESCRIPTION
REINST A L L ING THE DRIVE CHA S S IS
Refer to Illu stration Bo ok, Page 16, Pictorial 4-28 for
the follow in g steps,
• P osi t i o n t h e A l l - i n - O n e d e c o r a ti ve p a n e l a s
shown in the Pictori al. Then push the lens into
the indicated hole of the panel. Be sure to push
the lens as far as possible into the hole.
• P osi t i o n t h e d e c o r a t i ve p a n el n e a r t h e d r i v e
chassis as s h o w n . T h e n u s e t h r e e ¹ 6 x
~/<"
s heet metal screws t o s ecure th e p a ne l t o t h e
drive chassis.
5'/~" Floppy Disk Drive (Internal)*
8" Floppy Disk Drive (External)*
5Vz" Winchester Disk Drive (Internal)*
1 = Auto-boot, 0 = Manual Boot
not used, set at 0
not used, set at 0
not used, set at 0
0 = 60Hz , 1
= 50Hz operation
Refer to Illu stration Bo ok, Page 17, Pictorial 4-29 for
the following steps.
• Posi t i o n t h e v i d e o /dri ve subassembly as shown
in the Pictorial ,
• Posi t i o n t h e dri ve chassis onto the subassembly
as shown, Then use four 6-32 x >/~" screws and
four ¹ 6 f l a t w a shers to secure the drive chassis
to the subassembly at CH, CI, CJ, and CK.
S ections 0, 1, and 2 sh oul d be set to reflect the ty p e
of drive that the system is booted from .
A s shi p pe d f r o m t h e f a c t o ry , t h e C o m p u t e r i s s e t
to auto-boot on the 5'/4" disk dr i ve. If thi s is satisfac-
t ory, you n eed no t m ak e an y c h a nges to the sw i t c h
settings.
T o auto-boot from t h e W i n c h e ster dr i ve, set sw i t c h
S 101 on the main board as follow s :
• U se si x 6 - 3 2 x 3/8"
hex head screws to secure
the driv e c h assis at CA , CB , CD , CE, CF, an d
C G. Also b e s ur e t o m o u n t a g r o u n d s t r a p a t
C A. Use the nu t s t a rter (sup p l i ed ) t o s t art t h e
s crews located between the CRT and th e d r i v e
chassis.
S ECTIO N PO SI T IO N
Refer to Ill u stration Book, Page 18, Pictorial 4-30 for
the follow in g steps.
•
L ocate DIP s w i t c h S 1 0 1 o n t h e m a i n c i r c u i t
T o manuall y b o o t f r o m t h e W i n c h e ster, set sw i t c h
S 101 as show n a b ov e ex cept set section 3 t o t h e 0
position,
T o retain th e b oot f ro m t h e 5 't~" disk d r i ve , bu t n o t
h ave auto-boot enabled, set section 3 of S 101 to th e
0 position, N o o t he r s w i t c h s ection c h a nges are re-
quired.
board.
* Default boot drive.