AR-B1462 User¡¦s Guide
3-15
(5) CPU Cooling Fan Power Connector (CN3)
1 432
CN3 1 +12V
2 GND
3 GND
4 VCC
Figure 3-33 CN3: CPU Cooling Fan Power Connector
3.2.15 PCI Connector
(1) PCI Connector Power Select (JP1)
JP1
1
2
3
4
Factory Default Setting
1
2
3
4
DisabledEnabled 3.3V
Figure 3-34 JP1: PCI Connector Power Select
(2) 120-Pin PCI Connector (CN1)
1
CN1
2
53 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59
4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60
61 6563 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99 101103 105107 109 101103 105107 109
62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100102 104106 108 110112 114116 118 120
Figure 3-35 CN1: 120-Pin PCI Connector
CN1 Signal CN1 Signal CN1 Signal CN1 Signal
1-TRST 2+12V 61 -12V 62 TCK
3TMS 4TDI 63 GND 64 TD0
5+5V 6-INTA 65 +5V 66 +5V
7-INTC 8+5V 67 -INTB 68 -INTD
9NC 10 +5V 69 -PRST1 70 NC
11 NC 12 GND 71 -PRST2 72 GND
13 GND 14 NC 73 GND 74 NC
15 -RST 16 +5V 75 GND 76 CLK
17 -GNT 18 GND 77 GND 78 -REQ
19 NC 20 AD30 79 +5V 80 AD31
21 +3.3V 22 AD28 81 AD29 82 GND
23 AD26 24 GND 83 AD27 84 AD25
25 AD24 26 IDSEL 85 +3.3V 86 C/BE3
27 +3.3V 28 AD22 87 AD23 88 GND
29 AD20 30 GND 89 AD21 90 AD19
31 AD18 32 AD16 91 +3.3V 92 AD17
33 +3.3V 34 -FRAME 93 C/BE2 94 GND
35 GND 36 -TRDY 95 -IRDY 96 +3.3V
37 GND 38 -STOP 97 -DEVSL 98 GND
39 +3.3V 40 SDONE 99 -LOCK 100 -PERR
41 -SB0 42 GND 101 +3.3V 102 -SERR
43 PAR 44 AD15 103 +3.3V 104 C/BE1
45 +3.3V 46 AD13 105 AD14 106 GND
47 AD11 48 GND 107 AD12 108 AD10
49 AD9 50 C/BE0 109 GND 110 AD8
51 +3.3V 52 AD6 111 AD7 112 +3.3V
53 AD4 54 GND 113 AD5 114 AD3
55 AD2 56 AD0 115 GND 116 AD1
57 +5V 58 -REQ64 117 +5V 118 -ACK64
59 +5V 60 +5V 119 +5V 120 +5V
Table 3-8 Audio Connector Pin Assignment