HP dc72 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1st - Page 61
PCI Connectors, PCI 2.3 Connector
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4.2.6 PCI Connectors PCI 2.3 Connector A1 System Support A49 A52 A62 B2 B49 B52 B62 Figure 4-5. 32-bit, 5.0-volt PCI 2.3 Bus Connector (J20, J21 on system board) Pin B Signal 01 -12 VDC 02 TCK 03 GND 04 TDO 05 +5 VDC 06 +5 VDC 07 INTB- 08 INTD- 09 PRSNT1- 10 RSVD 11 PRSNT2- 12 GND 13 GND 14 RSVD 15 GND 16 CLK 17 GND 18 REQ- 19 +5 VDC 20 AD31 21 AD29 Table 4-5. PCI 2.3 Bus Connector Pinout A Signal Pin B Signal TRST- 22 GND +12 VDC 23 AD27 TMS 24 AD25 TDI 25 +3.3 VDC +5 VDC 26 C/BE3- INTA- 27 AD23 INTC- 28 GND +5 VDC 29 AD21 Reserved 30 AD19 +5 VDC 31 +3.3 VDC Reserved 32 AD17 GND 33 C/BE2- GND 34 GND +3.3 AUX 35 IRDY- RST- 36 +3.3 VDC +5 VDC 37 DEVSEL- GNT- 38 GND GND 39 LOCK- PME- 40 PERR- AD30 41 +3.3 VDC +3.3 VDC 42 SERR- A Signal Pin AD28 43 AD26 44 GND 45 AD24 46 IDSEL 47 +3.3 VDC 48 AD22 49 AD20 50 GND 51 AD18 52 AD16 53 +3.3 VDC 54 FRAME- 55 GND 56 TRDY- 57 GND 58 STOP- 59 +3.3 VDC 60 SDONE n 61 SBO- 62 GND B Signal +3.3 VDC C/BE1AD14 GND AD12 AD10 GND Key Key AD08 AD07 +3.3 VDC AD05 AD03 GND AD01 +5 VDC ACK64+5 VDC +5 VDC A Signal PAR AD15 +3.3 VDC AD13 AD11 GND AD09 Key Key C/BE0- +3.3 VDC AD06 AD04 GND AD02 AD00 +5 VDC REQ64+5 VDC +5 VDC Technical Reference Guide www.hp.com 4-9