
Date: March 29, 1996 Sheet 22 of 23
Size Document Number
REV
B
ElanSC300/310 Evaluation Board
2.2
Title
Spare Gates & Super I/O Serial Port
AMD Proprietary/All Rights Reserved
(800) 222-9323
Austin, Texas 78741
5204 E. Ben White Blvd.
(C) Advanced Micro Devices, Inc.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P41
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P43
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P44
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P37
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P38
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P39
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P35
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P36
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P42
10TH CTR HOLE GRID
VCC5
D
12
CLK
11
Q
9
Q
8
V
C
C
1
4
P
R
1
0
C
L
1
3
U39B
74HCT74(V5)
1
2
S85
SHORT
1
2
S86
SHORT
1
2
S87
SHORT
U39P10
U39P11
U39P12
VCC5
GND
12
13
11
1
4
U48D
74HC32
VCCSYS5
1
2
S115
SHORT
1
2
S116
SHORT
U33P5
1
2
S71
SHORT
5
6
1
4
U33C
74HCT04(MEM53)
SVCCMEM53
1
2
S88
SHORT
U39P13
VCC5
U37P13
VCC5
13
12
1
4
U37F
74HCT04(V5)
GND
1
2
S78
SHORT
U33P9
U33P11
1
2
S72
SHORT
1
2
S73
SHORT
9
8
1
4
U33D
74HCT04(MEM53)
11
10
1
4
U33E
74HCT04(MEM53)
SVCCMEM53
SVCCMEM53
GND
U33P13
1
2
S74
SHORT
13
12
1
4
U33F
74HCT04(MEM53)
SVCCMEM53
U35P2
U35P1
1
2
S101
SHORT
1
2
S100
SHORT
OP5VOLT
1
2
3
1
4
U35A
74HCT32
VCC5
VCC5
5
6
7
8
4
U27B
LF353(V5)
Grid of 10th Center Holes for Board Updates
GND
GND
1
G1
CON1
GND Point Berg Header
1
G2
CON1
GND Point Berg Header
GND
GND
GND
1
G3
CON1
GND Point Berg Header
1
G4
CON1
GND Point Berg Header
1
G5
CON1
GND Point Berg Header
U27P7
GND
9
10
12
13
8
1
4
U47B
74HC20
VCCSYS5
1
2
S109
SHORT
1
2
S110
SHORT
OP5VOLT
OP5VOLT
9
10
8
1
4
U35C
74HCT32
12
13
11
1
4
U35D
74HCT32
1
2
S83
SHORT
1
2
S84
SHORT
U35P9
U35P10
1
2
S89
SHORT
1
2
S90
SHORT
U35P12
U35P13
VCCSY253
VCCSY253
GND
12
13
11
1
4
U26D
74HCT32(SYS253)
9
10
8
1
4
U26C
74HCT32(SYS253)
1
2
S79
SHORT
1
2
S80
SHORT
1
2
S81
SHORT
1
2
S82
SHORT
GND
U26P9
U26P10
U26P12
U26P13
GND
1
2
S97
SHORT
1
2
S98
SHORT
1
2
S99
SHORT
VCCSYS5
U21P14
U21P15
U21P13
VCCSYS5
A
14
B
13
G
15
Y0
12
Y1
11
Y2
10
Y3
9
V
C
C
1
6
U21B
74ACT139
1
2
S111
SHORT
1
2
S112
SHORT
GND
E
d
g
e
o
f
B
o
a
r
d
Connector
Serial
Spare Gates
GND
Ground Posts for Debug
1
G6
CON1
GND Point Berg Header
Component
side view
1
2
3
4
5
6
7
8
9
5
9
4
8
3
7
2
6
1
P45
SERIAL
AMP 747840-4
SIN2
SOUT2
DCD2#
DSR2#
RTS2#
CTS2#
DTRX2#
RI2#
R206
300
R207
300
R208
300
R209
300
R210
300
R211
300
R212
300
R213
300
SIN2R
SOUT2R
DCD2R#
DSR2R#
RTS2R#
CTS2R#
DTRX2R#
RI2R#
R201
1M
R202
1M
R203
1M
R204
1M
RO3
21
RO2
22
RO4
20
DI2
23
DI3
19
RO1
24
DI1
25
RO5
18
RI3
9
RI2
8
RI4
10
DO3
11
RI1
6
DO1
5
RI5
12
ON/OFF
13
C1+
3
C1-
4
C2+
27
C2-
26
V+
1
V-
28
5V
2
GND
17
DO2
7
U44
LT1337A(SYS5)
28-WSOIC
SIO1DCD#
SIO1DSR#
SIO1SIN
SIO1RTS#
SIO1SOUT
SIO1CTS#
SIO1DTR#
SIO1RI#
R205
1M
VCCSYS5
GND
PMC2
C159
0.1UF
C161
1UF/16V
VCCSYS5
2
3
D25
RB400D
C160
1UF/16V
GND GND
C162
1UF/16V
C163
1UF/16V
C156
220PF
C157
220PF
C158
220PF
GND
GND
GND
C151
220PF
C152
220PF
C153
220PF
C154
220PF
C155
220PF
GND
GND
GND
GND
GND
GND
Super I/O Serial Interface