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4–2 AlphaPC 164UX Connector Pinouts
PCI Bus Connector Pinouts
B11 PRSNT2# B12 Gnd B13 Gnd B14 —
B15 Gnd B16 CLK B17 Gnd B18 REQ#
B19 Vdd B20 AD<31> B21 AD<29> B22 Gnd
B23 AD<27> B24 AD<25> B25 +3V B26 C/BE#<3>
B27 AD<23> B28 Gnd B29 AD<21> B30 AD<19>
B31 +3V B32 AD<17> B33 C/BE#<2> B34 Gnd
B35 IRDY# B36 +3V B37 DEVSEL# B38 Gnd
B39 LOCK# B40 PERR# B41 +3V B42 SERR#
B43 +3V B44 C/BE#<1> B45 AD<14> B46 Gnd
B47 AD<12> B48 AD<10> B49 Gnd B50 Not used
B51 Not used B52 AD<08> B53 AD<07> B54 +3V
B55 AD<05> B56 AD<03> B57 Gnd B58 AD<01>
B59 Vdd B60 ACK64# B61 Vdd B62 Vdd
64-Bit PCI Connectors Only (J2)
A63 Gnd A64 C/BE#<7> A65 C/BE#<5> A66 Vdd
A67 PAR64 A68 D<62> A69 Gnd A70 D<60>
A71 D<58> A72 Gnd A73 D<56> A74 D<54>
A75 Vdd A76 D<52> A77 D<50> A78 Gnd
A79 D<48> A80 D<46> A81 Gnd A82 D<44>
A83 D<42> A84 Vdd A85 D<40> A86 D<38>
A87 Gnd A88 D<36> A89 D<34> A90 Gnd
A91 D<32> A92 — A93 Gnd A94 —
B63 — B64 Gnd B65 C/BE#<6> B66 C/BE#<4>
B67 Gnd B68 D<63> B69 D<61> B70 Vdd
B71 D<59> B72 D<57> B73 Gnd B74 D<55>
B75 D<53> B76 Gnd B77 D<51> B78 D<49>
B79 Vdd B80 D<47> B81 D<45> B82 Gnd
B83 D<43> B84 D<41> B85 Gnd B86 D<39>
B87 D<37> B88 Vdd B89 D<35> B90 D<33>
B91 Gnd B92 — B93 — B94 Gnd
Table 4–1 PCI Bus Connector Pinouts
(Sheet 2 of 2)
Pin Signal Pin Signal Pin Signal Pin Signal