Lenovo PC 300PL Techical Information Manual - Page 35

Appendix A. Connector pin assignments Figure 18 (Page 2 of 2). System memory connector pin assignments Pin Signal Pin Signal Pin Signal Pin A29 Gnd B29 Gnd A75 RROW1 B75 A30 LDQB5 B30 LDQB6 A76 Gnd B76 A31 Gnd B31 Gnd A77 NC B77 A32 LDQB7 B32 LDQB8 A78 Gnd B78 A33 Gnd B33 Gnd A79 RCTM B79 A34 LSCK B34 LCMD A80 Gnd B80 A3 Vcmos B35 Vcmos A81 RCTMN B81 A36 SOUT B36 SIN A82 Gnd B82 A37 Vcmos B37 Vcmos A83 RDQA0 B83 A38 NC B38 NC A84 Gnd B84 A39 Gnd B39 Gnd A85 RDQA2 B85 A40 NC B40 NC A86 Gnd B86 A41 Vdd B41 Vdd A87 RDQA4 B87 A42 Vdd B42 Vdd A88 Gnd B88 A43 NC B43 NC A89 RDQA6 B89 A44 NC B44 NC A90 Gnd B90 A45 NC B45 NC A91 RDQA8 B91 A46 NC B46 NC A92 Gnd B92 PCI connectors A1 A2 B1 B2 Figure 19 (Page 1 of 3). PCI connector pin assignments Pin Signal I/O Pin A1 TRST# O B1 A2 +12 V dc NA B2 A3 TMS O B3 A4 TDI O B4 A5 +5 V dc NA B5 A6 INTA# I B6 A7 INTC# I B7 A8 +5 V dc NA B8 A9 Reserved NA B9 A10 +5 V dc NA B10 A11 Reserved NA B11 A12 Ground NA B12 A13 Ground NA B13 A14 3.3 V AUX NA B14 A62 B62 Signal −12 V dc TCK Ground TDO +5 V dc +5 V dc INTB# INTD# PRSNT1# Reserved PRSNT2# Ground Ground 3.3 V AUX Signal RROW0 Gnd RROW2 Gnd NC Gnd RCFMN Gnd RCFM Gnd RDQA1 Gnd RDQA3 Gnd RDQA5 Gnd RDQA7 Gnd I/O NA O NA I NA NA I I I NA I NA NA NA Appendix A. Connector pin assignments 27