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Technical Reference Guide
Compaq Deskpro 4000N and 4000S Personal Computers
First Edition - September1997
4-3
4.2.1 PCI CONNECTOR
NOTE: See caution below.
Figure 4–2.
32-Bit
PCI Bus Connector (32-Bit Type)
Table 4–1.
32-Bit
PCI Bus Connector Pinout
Table 4-1.
PCI Bus Connector Pinout
Pin B Signal A Signal Pin B Signal A Signal Pin B Signal A Signal
01 -12 VDC TRST- 32 AD17 AD16 63 Reserved GND
02 TCK +12 VDC 33 C/BE2- +3.3 VDC 64 GND C/BE7-
03 GND TMS 34 GND FRAME- 65 C/BE6- C/BE5-
04 TDO TDI 35 IRDY- GND 66 C/BE4- +5 VDC
05 +5 VDC +5 VDC 36 +3.3 VDC TRDY- 67 GND PAR64
06 +5 VDC INTA- 37 DEVSEL- GND 68 AD63 AD62
07 INTB- INTC- 38 GND STOP- 69 AD61 GND
08 INTD- +5 VDC 39 LOCK- +3.3 VDC 70 +5 VDC AD60
09 PRSNT1- Reserved 40 PERR- SDONE 71 AD59 AD58
10 RSVD +5 VDC 41 +3.3 VDC SBO- 72 AD57 GND
11 PRSNT2- Reserved 42 SERR- GND 73 GND AD56
12 GND GND 43 +3.3 VDC PAR 74 AD55 AD54
13 GND GND 44 C/BE1- AD15 75 AD53 +5 VDC
14 RSVD Reserved 45 AD14 +3.3 VDC 76 GND AD52
15 GND RST- 46 GND AD13 77 AD51 AD50
16 CLK +5 VDC 47 AD12 AD11 78 AD49 GND
17 GND GNT- 48 AD10 GND 79 +5 VDC AD48
18 REQ- GND 49 GND AD09 80 AD47 AD46
19 +5 VDC Reserved 50 Key Key 81 AD45 GND
20 AD31 AD30 51 Key Key 82 GND AD44
21 AD29 +3.3 VDC 52 AD08 C/BE0- 83 AD43 AD42
22 GND AD28 53 AD07 +3.3 VDC 84 AD41 +5 VDC
23 AD27 AD26 54 +3.3 VDC AD06 85 GND AD40
24 AD25 GND 55 AD05 AD04 86 AD39 AD38
25 +3.3 VDC AD24 56 AD03 GND 87 AD37 GND
26 C/BE3- IDSEL 57 GND AD02 88 +5 VDC AD36
27 AD23 +3.3 VDC 58 AD01 AD00 89 AD35 AD34
28 GND AD22 59 +5 VDC +5 VDC 90 AD33 GND
29 AD21 AD20 60 ACK64- [1] REQ64- [1] 91 GND AD32
30 AD19 GND 61 +5 VDC +5 VDC 92 Reserved Reserved
31 +3.3 VDC AD18 62 +5 VDC +5 VDC 93 Reserved GND
-- -- -- -- -- -- 94 GND Reserved
NOTE:
[1] The REQ64- and ACK64- signals are pulled high, allowing the use of 64-bit PCI cards
in 32-bit mode.
CAUTION:
The maximum length for an expansion card (PCI or ISA) installed in this system is
7 inches. Longer cards may be damaged or cause damage to the system.
A1
B1B62
A62
B94
A94