HP Xw6400 HP xw6400 Workstation - Service and Technical Reference Guide - Page 154

PCI or PCI Express Installation., Appendix C - Connector pins

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ATA/ATAPI (IDE) standard drive cable connector Pin 1 2 3 4 5 Signal Reset Ground DD7 DD8 DD6 6 7 8 9 10 DD9 DD5 DD10 DD4 DD11 11 12 13 14 DD3 DD12 DD2 DD13 Pin 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Signal DD1 DD14 DD0 DD15 Ground (Key) DMARQ Ground DIOW Ground DIOR Ground IORDY CSEL Pin 29 30 31 32 33 34 35 36 37 38 39 40 Signal DMAK Ground INTRQ IOCS16 DA1 PDIAG (cable detect) DA0 DA2 CS1FX CS3FX DASP Ground 24-Pin Main power connector 13 24 1 1 +3.3 V 2 +3.3 V 3 GND 4 +5 V 5 GND 6 +5 V 7 GND 8 POK 9 +5 Vaux 10 +12 V-B 11 +12 V-A 12 +3.3 V 13 +3.3 V +3.3V-Rsense 12 14 -12 VL 15 GND 16 PS_O N_l 17 GND 18 GND 19 GND 20 GND 21 +5 V GND 22 +5 V and +5 V-Rsense 23 +5 V 24 GND CAUTION: Be sure you can differentiate between which power cable connects to the PCI Express x16 graphics card and which power cable connects to the system board. These two cables have different pin counts and different colors. The PCI Express power cable has a 6-pin black connector, and the system board power cable has an 8-pin white connector. When power is present, you must never connect the PCI Express power cable to the system board. If you do so, the system board may be damaged and your warranty voided. To see a picture of the PCI Express cable and where it must be connected, see PCI installation on page 79"PCI or PCI Express Installation." 144 Appendix C Appendix C - Connector pins ENWW

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ATA/ATAPI (IDE) standard drive cable connector
Pin
Signal
Pin
Signal
Pin
Signal
1 2 3
4 5
Reset Ground
DD7 DD8 DD6
15 16
17 18
19
DD1 DD14 DD0
DD15 Ground
29 30
31 32
33
DMAK Ground INTRQ
IOCS16 DA1
6 7 8
9 10
DD9 DD5 DD10
DD4 DD11
20 21
22 23
24
(Key) DMARQ
Ground DIOW
Ground
34 35
36 37
38
PDIAG (cable detect) DA0
DA2 CS1FX CS3FX
11 12
13 14
DD3 DD12 DD2
DD13
25 26
27 28
DIOR Ground
IORDY CSEL
39 40
DASP Ground
24-Pin Main power connector
1
12
13
24
1
+3.3 V
8
POK
14
-12 VL
21
+5 V GND
2
+3.3 V
9
+5 Vaux
15
GND
22
+5 V and
3
GND
10
+12 V-B
16
PS_O
N_l
+5 V-Rsense
4
+5 V
11
+12 V-A
17
GND
23
+5 V
5
GND
12
+3.3 V
18
GND
24
GND
6
+5 V
13
+3.3 V
19
GND
7
GND
+3.3V-Rsense
20
GND
CAUTION:
Be sure you can differentiate between which power cable connects to the PCI Express
x16 graphics card and which power cable connects to the system board. These two cables have different
pin counts and different colors. The PCI Express power cable has a 6-pin black connector, and the
system board power cable has an 8-pin white connector. When power is present, you must
never
connect the PCI Express power cable to the system board. If you do so, the system board may be
damaged and your warranty voided. To see a picture of the PCI Express cable and where it must be
connected, see
PCI installation
on page
79
“PCI or PCI Express Installation.”
144
Appendix C
Appendix C — Connector pins
ENWW