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Appendix A. Connector pin assignments
Figure 19 (Page 2 of 3). PCI connector pin assignments
Pin Signal I/O Pin Signal I/O
A15 RST# O B15 Ground NA
A16 +5 V dc (I/O) NA B16 CLK O
A17 GNT# O B17 Ground NA
A18 Ground NA B18 REQ# I
A19 PCI NA B19 +5 V dc NA
A20 Address/data 30 I/O B20 Address/data 31 I/O
A21 +3.3 V dc NA B21 Address/data 29 I/O
A22 Address/data 28 I/O B22 Ground NA
A23 Address/data 26 I/O B23 Address/data 27 I/O
A24 Ground I/O B24 Address/data 25 NA
A25 Address/data 24 I/O B25 +3.3 V dc NA
A26 IDSEL O B26 C/BE 3# I/O
A27 +3.3 V dc NA B27 Address/data 23 I/O
A28 Address/data 22 I/O B28 Ground NA
A29 Address/data 20 I/O B29 Address/data 21 I/O
A30 Ground I/O B30 Address/data 19 NA
A31 Address/data 18 I/O B31 +3.3 V dc NA
A32 Address/data 16 I/O B32 Address/data 17 I/O
A33 +3.3 V dc NA B33 C/BE 2# I/O
A34 FRAME# I/O B34 Ground NA
A35 Ground NA B35 IRDY# I/O
A36 TRDY# I/O B36 +3.3 V dc NA
A37 Ground NA B37 DEVSEL# I/O
A38 STOP# I/O B38 Ground NA
A39 +3.3 V dc NA B39 LOCK# I/O
A40 SMBCLK* I/O B40 PERR# I/O
A41 SMBDATA* I/O B41 +3.3 V dc NA
A42 Ground NA B42 SERR# I/O
A43 PAR NA B43 +3.3 V dc NA
A44 Address/data 15 I/O B44 C/BE 1# I/O
A45 3.3 V dc I/O B45 Address/data 14 I/O
A46 Address/data 13 NA B46 Ground NA
A47 Address/data 11 I/O B47 Address/data 12 I/O
A48 Ground I/O B48 Address/data 10 I/O
A49 Address/data 9 NA B49 Ground NA
A50 Key NA B50 Key NA
A51 Key NA B51 Key NA
A52 C/BE(0)# I/O B52 Address/data 8 I/O
A53 3.3 V dc I/O B53 Address/data 7 I/O
A54 Address/data 6 NA B54 +3.3 V dc NA
A55 Address/data 4 I/O B55 Address/data 5 I/O
A56 Ground I/O B56 Address/data 3 I/O
A57 Address/data 2 NA B57 Ground NA
28 Technical Information Manual