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IBM XT 5160

IBM XT 5160
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(SH.4)
(REFRESH
REC
DMA)
DRQO
11
7
'-----------------------------=-----T/C2ooT
·(SH.9)
II
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IRQO
(SH.
1)
SPK
(SH.9)
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til
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(SH.4)
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e
(SH.9)
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OUTI
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Rb
==
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A
16
~~~~20UT2
17
Y 6
2
CC;,
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=
(SH.9) TIM2GATESPK
S
~
IB
CLK2
C
T.OI
XIOR'
22
RD
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(SH.5)
Q.
(SH.5)
XIOW'
2,
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(SH.3)
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CS
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XAO
20
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8 AI
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7
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82<;,-C;
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(SH.5)
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b2
U26
(SH.5)
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-
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D,
(SH.5)
X04 -
T
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D4
(SH.5)
XOC;
--
2
DC;
(SH.5)
Xob-
I
06
(SH.5)
XD7
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24
~~C
12
GNo
~~~.
2) RESETDRV'
.3)
PCLK
256/640K
System Board (Sheet 8
of
11 )

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