Intel VC820 - Desktop Board Motherboard Design Manual page 190

8 7
Game Port
D
J1BUTTON1
12
J2BUTTON1
12
JOY1X
12
C
JOY2X
12
12 MIDI_OUT
12 JOY2Y
JOY1Y
12
J2BUTTON2
12
J1BUTTON2
12
MIDI_IN
12
B
A
8 7
6 5
VCC5 VCC5 VCC5 VCC5
R38
47
C69
25V
0.01UF
10%
C68
25V
0.01UF
10%
C67
25V
0.01UF
10%
C66
25V
0.01UF
10%
6 5
4 3
VCC5 VCC5
R21
R22
2.2K 5%
2.2K 5%
R34
47
R23
R24
2.2K 5%
2.2K 5%
1 1
C56
C54 C52
1
470PF 47PF 47PF
2 2
C53
C55
47PF 470PF
2
50V
50V
50V
Tie game port capacitors together and to SIO AVSS. Tie to system ground at only a single point.
TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD
GAME PORT
R
4 3
2 1
VCC5
J5
DB15_AUD_STK
31
1
9
2
10
JOY1X_R 3
JOY2X_R 11
4
MIDI_OUT_R 12
5
JOY2Y_R
13
JOY1Y_R 6
14
7
MIDI_IN_R 15
8
32
1
C51
47PF
2
50V
DRAWN BY: PROJECT:
PCD PLATFORM DESIGN
1900 PRAIRIE CITY ROAD
LAST REVISED: SHEET:
FOLSOM, CALIFORNIA 95630
27
2 1
D
C
B
A
REV:
1.01
OF 36