
CRD4205-2
DS489RD2A1 9
DS MicIn
DS CDIn
DS
LineIn
/OBE
DSMCK
DSLRCK
DSSCK
SDATA1
SDATA2
n.c.
(reserved)
To Main
Board
+12VD
+12VD
DGND
+5VD
AGND
+5VA
DGND
DGND
+5VD
74HC244
U9
3
5
7
9
12
14
16
18
17
15
13
11
8
6
4
2
20
19
10
1
2Y4
2Y3
2Y2
2Y1
1Y4
1Y3
1Y2
1Y1
2A4
2A3
2A2
2A1
1A4
1A3
1A2
1A1
VCC
2OE
GND
1OE
J14
7x2CON
12
34
56
78
910
1112
1314
+
C43
10uF
ELEC
U8
MC78M05C
3
2
1
OUT
GND
IN
C41
0.1uF
Z5U
+
C42
10uF
ELEC
Side B
P1
PCI BUS 5V B
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
-12V
TCK
GND11
TDO
+5V(8)
+5V(9)
INTB#
INTD#
PRSNT1#
RSVD(4)
PRSNT2#
GND(12)
GND(13)
RSVD(5)
GND(14)
CLK
GND(15)
REQ#
+5V(10)
AD[31]
AD[29]
GND(16)
AD[27]
AD[25]
+3.3V(7)
C/BE[3]#
AD[23]
GND(17)
AD[21]
AD[19]
+3.3V(8)
AD[17]
C/BE[2]#
GND(18)
IRDY#
+3.3V(9)
DEVSEL#
GND(19)
LOCK#
PERR#
+3.3V(10)
SERR#
+3.3V(11)
C/BE[1]#
AD[14]
GND(20)
AD[12]
AD[10]
GND(21)
KEY3
KEY4
AD[8]
AD[7]
+3.3V(12)
AD[5]
AD[3]
GND(22)
AD[1]
+5V(11)
ACK64#
+5V(12)
+5V(13)
Side A
P2
PCI BUS 5V A
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
TRST#
+12V
TMS
TDI
+5V(1)
INTA#
INTC#
+5V(2)
RSVD(1)
+5V(3)
RSVD(2)
GND(1)
GND(2)
RSVD(3)
RST#
+5V(4)
GNT#
GND(3)
PME#
AD[30]
+3.3V(1)
AD[28]
AD[26]
GND(4)
AD[24]
IDSEL
+3.3V(2)
AD[22]
AD[20]
GND(5)
AD[18]
AD[16]
+3.3V(3)
FRAME#
GND(6)
TRDY#
GND(7)
STOP#
+3.3V(4)
SDONE
SBO#
GND(8)
PAR
AD[15]
+3.3V(5)
AD[13]
AD[11]
GND(9)
AD[9]
KEY1
KEY2
C/BE[0]#
+3.3V(6)
AD[6]
AD[4]
GND(10)
AD[2]
AD[0]
+5V(5)
REQ64#
+5V(6)
+5V(7)
DSSDI3
DSSDI2
SDATA2
DSMCK
DSSCK
DSSDI1
DSLRCK
SDATA1
Figure 4. PCI Bus
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