Intel 815 Design Manual page 196

5
Game Port
D
C
15 J1BUTTON1
15 J2BUTTON1
15 JOY1X
15 JOY2X
15 MIDI_OUT
15 JOY2Y
15 JOY1Y
15 J2BUTTON2
15 J1BUTTON2
15 MIDI_IN
B
A
5
4
VCC5
R223 R225
1K 1K
1
25V C333 25V C337
10% 10%
0.01UF 0.01UF
25V C335 25V C334
10% 10%
0.01UF 0.01UF
4
3
R230 R218 R229 R217
1K 1K 1K 1K
R219 2.2K 5%
1
R221 2.2K 5%
1 2
R227
1 2
47
R222 2.2K 5%
1 2
R220 2.2K 5%
1 2
R226
2
47
C30
470PF
C29 C67
50V 47PF 50V 47PF
3
2
VCC5
J6-1
DB15
31
1
9
2
10
JOY1X_R
2 3
JOY2X_R
11
4
MIDI_OUT_R
12
5
JOY2Y_R
13
JOY1Y_R
6
14
7
MIDI_IN_R
15
8
32
C112
470PF
C80 C68
50V 47PF 50V 47PF
The game port capacitors together and to SIO AVSS.
Tie to system ground at only a single point.
Title:
INTEL(R) 82815 CHIPSET CUSTOMER REFERENCE BOARD
GAME PORT
Platform Apps Engineering
Last Revision Date:
int e l
1900 Prairie City Road
R Sheet:
Folsom, CA 95630
2
1
D
C
B
A
REV.
1.0
3-26-01
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of
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