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A
B
C
D
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3
2
1
D
C
B
A
Title
Number
Revision
Size
Orcad B
Date:
25-Feb-2002
Sheet of
File:
N:\PCBMGR\UNREL\04068CC\PROTEL\04068B.DDB
Drawn By:
Schematic for E Series Motherboard PCA #040690000
6
8
04070
B
D0
D1
D2
D3
D4
D5
D6
D7
D[0..7]
IOR
D0
D1
D2
D3
D4
D5
D6
D7
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
G1
1
G2
19
Y1
18
Y2
17
Y3
16
Y4
15
Y5
14
Y6
13
Y7
12
Y8
11
U11
74HC541
1
2
3
4
5
6
7
8
9
10
J1004
TERMBLOCK-10
1
TP7
1
2
3
4
5
6
7
8
9
10
J1006
TERMBLOCK-10
1 2 3 4
5
6
7
8
RN1
510x4
16
14
12
10
15
13
11
9
8
7
6
5
4
3
2
1
U15
PS2702-4
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
G1
1
G2
19
Y1
18
Y2
17
Y3
16
Y4
15
Y5
14
Y6
13
Y7
12
Y8
11
U14
74HC541
16
14
12
10
15
13
11
9
8
7
6
5
4
3
2
1
U13
PS2702-4
16
14
12
10
15
13
11
9
8
7
6
5
4
3
2
1
U12
PS2702-4
D[0..7]
DIGIO4
IOR
DIGIO0
VCC
VCC
CONTROL INPUTS
EXTERNAL
CONTROL
IN
A
EXTERNAL
CONTROL
IN
B
EXT_+5V_OUT
EXT_+5V_OUT
L19
L20
L22 FE BEAD
L21
L23
L24
L25FE BEAD
L26
L28
L29
L27
FE BEAD
L30
C3
5
10000 pF
C5
6
C5
7
C3
4
10000 pF
C5
9
10000 pF
C6
1
C6
2
C5
8
10000 pF
C6
4
10000 pF
C6
5
C6
6
C6
3
10000 pF
C
10
1
2
3
4
6
7
8
9
5
RN3
510x8
C
10
1
2
3
4
6
7
8
9
5
RN2
15Kx8
C
10
1
2
3
4
6
7
8
9
5
RN4
15Kx8
C9
7
330 pF, 50V
C9
8
C9
9
C9
6
330 pF, 50V
C
101
330 pF, 50V
C
102
C
103
C
100
330 pF, 50V
R26
100
R27
100
R28
100
R29
100
R30
100
R31
100
R32
100
R33
100
D0
D1
D2
D3
D4
D5
D6
D7
Place these termination resistors at the end of each data
line. Each data line
should be laid out as a daisy-chain, the signal passing
from one IC to the next.
C2
2
C2
3
L8
L9
C2
5
C2
4
L11
L10