Supero SUPER P6DBE, Руководство пользователя

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BIOS User’s Manual
B-2
C h e c k
Point Description
10 T h e k e y b o a r d c o n t r o l l e r c o m m a n d b y t e i s w r i t t e n .
Next, issuing the pin 23 and 24 blocking and unblocking
commands.
11 N e x t , c h e c k i n g i f t h e < E n d o r < I n s > k e y s w e r e p r e s s e d
d u r i n g p o w e r o n . I n i t i a l i z i n g C M O S R A M i f t h e
I n i t i a l i z e C M O S R A M i n e v e r y b o o t A M I B I O S P O S T
o p t i o n w a s s e t i n A M I B C P o r t h e < E n d > k e y w a s
pressed.
12 N e x t , d i s a b l i n g D M A c o n t r o l l e r s 1 a n d 2 a n d i n t e r r u p t
controllers 1 and 2.
13 T h e v i d e o d i s p l a y h a s b e e n d i s a b l e d . P o r t B h a s b e e n
initialized. Next, initializing the chipset.
14 The 8254 timer test will begin next.
19 The 8254 timer test is over. Starting the memory refresh
test next.
1A T h e m e m o r y r e f r e s h t e s t l i n e i s t o g g l i n g . C h e c k i n g t h e
15 second on/off time next.
23 R e a d i n g t h e 8 0 4 2 i n p u t p o r t a n d d i s a b l i n g t h e
M E G A K E Y G r e e n P C f e a t u r e n e x t . M a k i n g t h e
B I O S c o d e s e g m e n t w r i t a b l e a n d p e r f o r m i n g a n y
n e c e s s a r y c o n f i g u r a t i o n b e f o r e i n i t i a l i z i n g t h e i n t e r r u p t
vectors.
24 T h e c o n f i g u r a t i o n r e q u i r e d b e f o r e i n t e r r u p t v e c t o r
initialization has completed. Interrupt vector initialization
i s d o n e . C l e a r i n g t h e p a s s w o r d i f t h e P O S T D I A G
switch is on.
25 I n t e r r u p t v e c t o r i n i t i a l i z a t i o n i s d o n e . C l e a r i n g t h e
password if the POST DIAG Switch is on.
27 A n y i n i t i a l i z a t i o n b e f o r e s e t t i n g v i d e o m o d e w i l l b e
done next.