Interfaces and Connectors
Revised May 2011
SB-A510 Rev 1.1
26
4.22
Jumpers
The SB-A510 jumpers configure SB-A510 sub-systems and CM-A510 operation modes. The table
below summarizes all jumpers and their possible configurations.
Table 41 Jumpers description
Jumper
Shorted
Pins
SB-A510
sub-System
Description
E2
1 & 2
PCI-E mux
PCI-E link connected to mini PCI-E slot (P4)
2 & 3
PCI-E link connected to PCI slot (P3)
E3
1 & 2
PCI-E mux
PCI Slot (P3) is forced to operate in 66MHz Mode.
None
PCI Slot (P3) operation mode is set automatically (33/66 MHz)
E4
1 & 2
PCI Power
VIO_PCI (PCI slot I/O Voltage) is VCC3_3
2 & 3
VIO_PCI (PCI slot I/O Voltage) is VCC_5V (default)
E5
1 & 2
Backup
battery
RTC battery is connected to CM-A510 (timekeeping is on)
None
RTC battery is disconnected from CM-A510 (storage)
E6
1 & 2
CM-A510
boot option
Always use alternate boot option (S-ATA hard drive).
None
SW1 determines boot option.
E8
1 & 2
CM-A510
SPI-Flash
protection
CM-A510 SPI flash is write protected
None
CM-A510 SPI flash is not write protected
4.23
LEDs
The table below describes SB-A510 LEDs.
Table 42 LED description
LED
Color
System
LED activity
DS1
Green
PCI-E mux
PCI-E link detected at mini PCI-E slot (P4)
DS2
Green
PCI-E mux
PCI-E link detected at PCI slot (P3)
DS3
Green
Power
VCC_12V rail is “ON”
DS4
Green
Power
VCC_5V rail is “ON”
DS5
Green
Power
5VSBY rail is “ON”
DS15
Green
PCI-E
PCI-E WLAN led, indicates WLAN activity in mini-PCI-Express
Wireless adapter cards mated with slot P4.
DS17
Green
Power
VCC3_3 rail is “ON”
DS18
Green
Power
3V3SBY rail is “ON”
DS19
Green
SD power
VCC_MMC rail is “ON”
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