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IBM XT 5160

IBM XT 5160
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(SH.4)
(REFRESH
REC
OMA)
DRQO
P
! T/C20UT
(SH.9)
,I
'.=....U
-i---t------------r====;;======================IRQO
(SH.1)
SPK
(SH.9)
+
C;V
~
I
~
N
rJ1
~
r.IJ
I I
GATEOOUTO
I
In
......
D'CKOBRD'~
I
+I:iV
~
CLKO
~
~
a
(SH.4)
14
GATEI
OUTI
I,
U8e;
I
+e;v
:~
508
II
7 A
vb;>
___
"
(SH.9)
SPKRDATA
74LS'32
Ie;
CLKI
==
16
GATE20UT2
17
0
(SH.9)
TlM2GATESPK
18
CLK2
=
XIOR
22
RO
.,
(SH.5)
2,
WR
=-
XIOW
7C;477
(SH.5)
2~
CS
(SH.3)
T/CCS
(SH.5)
XAO
20
AO
8
AI
(SH.5)
XAI
7
g~
82c;,-e;
(SH.5)
XOO
(SH.5)
XOI
~
02
U26
(SH.5)
X02 -
0,
(SH.5)
XO'3
-
4 04
(SH.5)
X04
-
T
'
~C;
(SH.5)
xOC;
-
2
06
(SH.5)
X06 -
I 07
(SH.5)
XD7
+C;V
24
vce
12
GNO
~~~:
~~
RESETDRV'
PCLK
64/256K
System Board (Sheet 8 of 11 )

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