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Table 21: CompactPCI Rear I/O Connector J3 Pinout
PIN
Z
19
NC
RIO_VCC
18
NC
LPa_DA+
17
NC
LPa_DB+
16
NC
LPb_DA+
15
NC
LPb_DB+
14
NC
LPa:LINK
13
NC
LPa:ACT
12
NC
RSV
11
NC
RSV
10
NC
USB1:VCC
9
NC
USB1:D-
8
NC
USB0:D-
7
NC
RIO_3.3V
6
NC
VGA:RED
5
NC
VGA:BLUE
4
NC
RSV
3
NC
SPB:RTS
2
NC
SPA:RI
1
NC
SPA:RTS
Note:
The RIO_XXX signals are power supply OUTPUTS to supply the rear I/O module with power.
These pins MUST NOT be connected to any other power source, either within the backplane
itself or within a rear I/O module.
Failure to comply with the above will result in damage to your board.
Table 22: CompactPCI Rear I/O Connector J3 Signals
SIGNAL
SPA
COMA signaling (RS-232)
SPB
COMB signaling (RS-232)
VGA
Graphic signaling
USB0 to USB3
USB por t signaling
SPEAKER
Standard PC speaker
FAN
Fan speed sensor ing
DEBUG
Debug output
LPa
Rear I/O LAN Port A
LPb
Rear I/O LAN Port B
GPIO
General purpose digital input/output; 3.3 V only
Note:
The VGA interface can be used both on the front panel and on the rear I/O. However, the
VGA signals are switched to front I/O or rear I/O, depending on the uEFI BIOS setting.
COMA can be used either on the front panel or on the rear I/O. It is not possible to use
COMA on the front panel and on the rear I/O simultaneously.
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A
B
RIO_VCC
RIO_3.3V
LPa_DA-
GND
LPa_DB-
GND
LPb_DA-
GND
LPb_DB-
GND
LPb:LINK
LPab:CT1
LPb:ACT
RSV
RSV
GND
RSV
GND
USB0:VCC
GND
USB1:D+
GND
USB0:D+
GND
GPI0
GPI1
VGA:GREEN
VGA:SDA
VGA:HSYNC
VGA:VSYNC
RSV
SPB:CTS
SPB:RXD
RSV
SPA:DTR
SPA:CTS
SPA:RXD
SPA:DSR
DESCRIPTION
C
D
RIO_+12V
RIO_-12V
LPa_DC+
LPa_DC-
LPa_DD+
LPa_DD-
LPb_DC+
LPb_DC-
LPb_DD+
LPb_DD-
RSV
FAN:SENSE2
RSV
FAN:SENSE1
RSV
RSV
RSV
RSV
USB3:VCC
USB2:VCC
USB3:D-
USB3:D+
USB2:D-
USB2:D+
GPI2
SPEAKER
DEBUG:CLK
DEBUG:DAT
VGA:SCL
RSV
SPB:TXD
RSV
RSV
RSV
SPA:TXD
RSV
SPA:DCD
RIO_ID1
User Guide
CP6005(X)-SA
E
F
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
41
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