65
J3 Connector Pinout
A
J3 Connector Pinout
The J3 connector is 5 rows of 19 pins each, 2mm “Hard Metric” CompactPCI
connector. An additional external metal shield is also used, labeled row F. Figure A-4
illustrates the J3 connector and the connector pinout. This connector is also used to
route the serial, floppy, and harddrive signals to the backplane I/O.
Figure A-4 J3 Connector and Pinout
Pin
No.
Row A
Row B
Row C
Row D
Row E
Row F
19
GND
ACK#
BUSY
PE
SLCT
GND
18
PD4
PD5
PD6
PD7
GND
N/C
17
PD1
INIT#
PD2
SLIN#
PD3
GND
16
N/C
STB#
AFD#
PD0
ERR#
N/C
15
USBP1+RTC
USBP1-RTC
USB0C1#
DATA
CLK
GND
14
GND
SP0_R1#B
SP0_DTR#B
SP0_CTS#B
SP0_TXB
N/C
13
SP0_RTS
SP0_RXB
SP0_DSR#B
SP0_DCD#B
N/C
GND
12
SP1_RTS
N/C
+5 V
N/C
+12 V
N/C
11
GND
SP1_R1#B
SP1_DTR#B
SP1_CTS#B
SP1_TXB
GND
10
DAP0
SP1_RXB SP1_DSR#B
SP1_DCD#
DAP2PR
N/C
9
DAP1
REDWC#
IDEIORDY
IDESELA
IDEIOW0#
GND
8
DIR#
INDEX#
IDECS01#
DOP[8]
DOP[6]
N/C
7
SIDE1#
IDEIOR0#
HD_ACTA#
DOP[9]
DOP[7]
GND
6
RDATA#
TRK0#
IDECS03#
DOP[10]
DOP[2]
N/C
5
DRATE0#
WDATA#
IDEIRQ14
DOP[11]
DOP[3]
GND
4
DRVSB#
STEP#
IDE0ACK0#
DOP[12]
DOP[4]
N/C
3
DSKCHG#
MOTEB#
+5 V
DOP[13]
DOP[5]
GND
2
WPT#
DRVSA#
IDEDRQ0
DOP[14]
DOP[0]
N/C
1
WGATE#
MOTEA#
IDERST#
DOP[15]
DOP[1]
GND
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