52
PIN No.
Signal Description
PIN No.
Signal Description
1 NC 2 NC
3 NC 4 NC
5 NC 6 NC
7 NC 8 NC
9 NC 10 NC
11 NC 12 NC
13 NC 14 NC
15 NC 16 Reserved
17 INTB# 18 5V
19 3.3V 20 INTA#
21 Reserved 22 Reserved
23 Ground 24 3.3VAUX
25 CLK 26 RST#
27 Ground 28 3.3V
29 REQ# 30 GNT#
31 3.3V 32 Ground
33 AD [31] 34 PME#
35 AD [29] 36 Reserved
37 Ground 38 AD [30]
39 AD [27] 40 3.3V
41 AD [25] 42 AD [28]
43 Reserved 44 AD [26]
45 C/BE [3]# 46 AD [24]
47 AD [23] 48 IDSEL
49 Ground 50 Ground
51 AD [21] 52 AD [22]
53 AD [19] 54 AD [20]
55 Ground 56 PAR
57 AD [17] 58 AD [18]
59 C/BE [2]# 60 AD [16]
61 IRDY# 62 Ground
63 3.3V 64 FRAME#
65 CLKRUN# 66 TRDY#
67 SERR# 68 STOP#
69 Ground 70 3.3V
71 PERR# 72 DEVSEL#
73 C/BE [1]# 74 Ground
75 AD [14] 76 AD [15]