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Connector pinout: PCI PCI pinout pin name direction description color A1 TRST Test Logic Reset A2 +12V +12 VDC A3 TMS Test Mde Select A4 TDI Test Data Input A5 +5V +5 VDC A6 INTA Interrupt A A7 INTC Interrupt C A8 +5V +5 VDC A9 RESV01 Reserved VDC A10 +5V +V I/O (+5 V or +3.3 V) A11 RESV03 Reserved VDC A12 GND03 Ground or Open (Key) A13 GND05 Ground or Open (Key) A14 RESV05 Reserved VDC A15 RESET Reset A16 +5V +V I/O (+5 V or +3.3 V) A17 GNT Grant PCI use A18 GND08 Ground A19 RESV06 Reserved VDC A20 AD30 Address/Data 30 A21 +3.3V01 +3.3 VDC A22 AD28 Address/Data 28 A23 AD26 Address/Data 26 A24 GND10 Ground A25 AD24 Address/Data 24 A26 IDSEL Initialization Device Select A27 +3.3V03 +3.3 VDC A28 AD22 Address/Data 22 A29 AD20 Address/Data 20 A30 GND12 Ground A31 AD18 Address/Data 18 A32 AD16 Address/Data 16 A33 +3.3V05 +3.3 VDC A34 FRAME Address or Data phase A35 GND14 Ground A36 TRDY Target Ready A37 GND15 Ground A38 STOP Stop Transfer Cycle A39 +3.3V07 +3.3 VDC A40 SDONE Snoop Done A41 SBO Snoop Backoff A42 GND17 Ground A43 PAR Parity A44 AD15 Address/Data 15 A45 +3.3V10 +3.3 VDC A46 AD13 Address/Data 13 A47 AD11 Address/Data 11 A48 GND19 Ground A49 AD9 Address/Data 9 A50 -- A51 -- A52 C/BE0 Command, Byte Enable 0 A53 +3.3V11 +3.3 VDC A54 AD6 Address/Data 6 A55 AD4 Address/Data 4 A56 GND21 Ground A57 AD2 Address/Data 2 A58 AD0 Address/Data 0 A59 +5V +V I/O (+5 V or +3.3 V) A60 REQ64 Request 64 bit ??? A61 VCC11 +5 VDC A62 VCC13 +5 VDC A63 GND Ground A64 C/BE[7]# Command, Byte Enable 7 A65 C/BE[5]# Command, Byte Enable 5 A66 +5V +V I/O (+5 V or +3.3 V) A67 PAR64 Parity 64 ??? A68 AD62 Address/Data 62 A69 GND Ground A70 AD60 Address/Data 60 A71 AD58 Address/Data 58 A72 GND Ground A73 AD56 Address/Data 56 A74 AD54 Address/Data 54 A75 +5V +V I/O (+5 V or +3.3 V) A76 AD52 Address/Data 52 A77 AD50 Address/Data 50 A78 GND Ground A79 AD48 Address/Data 48 A80 AD46 Address/Data 46 A81 GND Ground A82 AD44 Address/Data 44 A83 AD42 Address/Data 42 A84 +5V +V I/O (+5 V or +3.3 V) A85 AD40 Address/Data 40 A86 AD38 Address/Data 38 A87 GND Ground A88 AD36 Address/Data 36 A89 AD34 Address/Data 34 A90 GND Ground A91 AD32 Address/Data 32 A92 RES Reserved A93 GND Ground A94 RES Reserved B1 -12V -12 VDC B2 TCK Test Clock B3 GND Ground B4 TDO Test Data Output B5 +5V +5 VDC B6 +5V +5 VDC B7 INTB Interrupt B B8 INTD Interrupt D B9 PRSNT1 Reserved B10 RES +V I/O (+5 V or +3.3 V) B11 PRSNT2 B12 GND Ground or Open (Key) B13 GND Ground or Open (Key) B14 RES Reserved VDC B15 GND Reset B16 CLK Clock B17 GND Ground B18 REQ Request B19 +5V +V I/O (+5 V or +3.3 V) B20 AD31 Address/Data 31 B21 AD29 Address/Data 29 B22 GND Ground B23 AD27 Address/Data 27 B24 AD25 Address/Data 25 B25 +3.3V +3.3VDC B26 C/BE3 Command, Byte Enable 3 B27 AD23 Address/Data 23 B28 GND Ground B29 AD21 Address/Data 21 B30 AD19 Address/Data 19 B31 +3.3V +3.3 VDC B32 AD17 Address/Data 17 B33 C/BE2 Command, Byte Enable 2 B34 GND13 Ground B35 IRDY Initiator Ready B36 +3.3V06 +3.3 VDC B37 DEVSEL Device Select B38 GND16 Ground B39 LOCK Lock bus B40 PERR Parity Error B41 +3.3V08 +3.3 VDC B42 SERR System Error B43 +3.3V09 +3.3 VDC B44 C/BE1 Command, Byte Enable 1 B45 AD14 Address/Data 14 B46 GND18 Ground B47 AD12 Address/Data 12 B48 AD10 Address/Data 10 B49 GND20 Ground B50 OPEN Ground or Open (Key) B51 OPEN Ground or Open (Key) B52 AD8 Address/Data 8 B53 AD7 Address/Data 7 N54 +3.3V12 +3.3 VDC N55 AD5 Address/Data 5 N56 AD3 Address/Data 3 N57 GND22 Ground N58 AD1 Address/Data 1 N59 VCC08 +5 VDC N60 ACK64 Acknowledge 64 bit B61 VCC10 +5 VDC B62 VCC12 +5 VDC B63 RES Reserved B64 GND Ground B65 C/BE[6]# Command, Byte Enable 6 B66 C/BE[4]# Command, Byte Enable 4 B67 GND Ground B68 AD63 Address/Data 63 B69 AD61 Address/Data 61 B70 +5V +V I/O (+5 V or +3.3 V) B71 AD59 Address/Data 59 B72 AD57 Address/Data 57 B73 GND Ground B74 AD55 Address/Data 55 B75 AD53 Address/Data 53 B76 GND Ground B77 AD51 Address/Data 51 B78 AD49 Address/Data 49 B79 +5V +V I/O (+5 V or +3.3 V) B80 AD47 Address/Data 47 B81 AD45 Address/Data 45 B82 GND Ground B83 AD43 Address/Data 43 B84 AD41 Address/Data 41 B85 GND Ground B86 AD39 Address/Data 39 B87 AD37 Address/Data 37 B88 +5V +V I/O (+5 V or +3.3 V) B89 AD35 Address/Data 35 B90 AD33 Address/Data 33 B91 GND Ground B92 RES Reserved B93 RES Reserved B94 GND Ground