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Pin
Z
A
13
NC
IPA_DB+/bi
12
NC
IPB_DA+/bi
11
NC
IPB_DB+/bi
10
NC
GND
9
NC
SATAATX+/in
8
NC
SATAATX-/in
7
NC
GND
6
NC
SATAARX+/out
5
NC
SATAARX-/out
4
NC
NC
3
NC
NC
2
NC
NC
1
NC
NC
The RIO_XXX signals are power supply INPUTS 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 41: Rear I/O Signal Description
Signal
COMAx
COMBx
GPIO_CFG0
IPx
SATAx
USBx
VGAx
RIOx/V(I/O)
PWRx
RSV
GND
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B
C
IPA_DB-/bi
COMB_RI#/o
ut
IPB_DA-/bi
RIO_XFO_CT
IPB_DB-/bi
COMB_DCD#
/out
COMB_TXD/in
VGA_RED/in
GND
VGA_HSYNC/
in
GND
VGA_BLUE/i
n
COMB_DSR#/
VGA_DDC_D
out
ATA/bi
GND
VGA_GREEN/
in
GND
VGA_VSYNC/
in
RIO_5V/in
VGA_DDC_CL
K/in
GND
NC
NC
NC
NC
NC
Description
COMA port LVTTL (3.3V)
COMB port LVTTL (3.3V)
GPIO or COMB configuration
Gigabit Ethernet copper port
SATA port
USB interface and power
VGA signal
Power supply signal
Power management signal
Reserved
Ground signal
CP3005-SA – Rev. 0.6 Preliminary
D
E
IPA_DD+/
IPA_DD-/bi
bi
IPB_DC+/
IPB_DC-/bi
bi
IPB_DD+/
IPB_DD-/bi
bi
COMB_D
GND
TR#/in
GND
SATABTX+/i
n
GND
SATABTX-/in
RSV
GND
GND
SATABRX+/o
ut
GND
SATABRX-
/out
GPIO_CFG
GND
0/out
NC
NC
NC
NC
NC
NC
F
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
// 66
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