CP6006-SA – User Guide, Rev. 0.5 Preliminary
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Table 22: CompactPCI Rear I/O Connector J3 Signals
SIGNAL
DESCRIPTION
SPA
COMA signaling (RS-232)
SPB
COMB signaling (RS-232)
VGA
Graphic signaling
USB0 to USB3
USB port signaling
SPEAKER
Standard PC speaker
FAN
Fan speed sensoring
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
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.