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Appendix A. Connector pin assignments 41
A28 Address/data 22 I/O B28 Ground N/A
A29 Address/data 20 I/O B29 Address/data 21 I/O
A30 Ground I/O B30 Address/data 19 N/A
A31 Address/data 18 I/O B31 +3.3 V dc N/A
A32 Address/data 16 I/O B32 Address/data 17 I/O
A33 +3.3 V dc N/A B33 C/BE2# I/O
A34 FRAME# I/O B34 Ground N/A
A35 Ground N/A B35 IRDY# I/O
A36 TRDY# I/O B36 +3.3 V dc N/A
A37 Ground N/A B37 DEVSEL# I/O
A38 STOP# I/O B38 Ground N/A
A39 +3.3 V dc N/A B39 LOCK# I/O
A40 SDONE I/O B40 PERR# I/O
A41 SBO# I/O B41 +3.3 V dc N/A
A42 Ground N/A B42 SERR# I/O
A43 +3.3 V dc N/A B43 +3.3 V dc N/A
A44 C/BE(1)# I/O B44 C/BE 1# I/O
A45 Address/data 14 I/O B45 Address/data 14 I/O
A46 Ground N/A B46 Ground N/A
A47 Address/data 12 I/O B47 Address/data 12 I/O
A48 Address/data 10 I/O B48 Address/data 10 I/O
A49 Ground N/A B49 Ground N/A
A50 Key N/A B50 Key N/A
A51 Key N/A B51 Key N/A
A52 Address/data 8 I/O B52 Address/data 8 I/O
A53 Address/data 7 I/O B53 Address/data 7 I/O
A54 +3.3 V dc N/A B54 +3.3 V dc N/A
A55 Address/data 5 I/O B55 Address/data 5 I/O
A56 Address/data 3 I/O B56 Address/data 3 I/O
A57 Ground N/A B57 Ground N/A
A58 Address/data 1 I/O B58 Address/data 1 I/O
A59 +5 V dc (I/O) N/A B59 +5 V dc (I/O) N/A
A60 ACK64# I/O B60 ACK64# I/O
A61 +5 V dc N/A B61 +5 V dc N/A
A62 +5 V dc N/A A62 +5 V dc N/A
Table 22. PCI connector pin assignments
Pin Signal I/O Pin Signal I/O