COMe-bSL6 – User Guide Rev. 1.4
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2.3.7.
Audio
Three independent HD Audio (HDA) streams can be supported simultaneously on HDMI/DP. The default for audio
support is over the Display Port (DP), with an additional option for baseboard audio via an external HDA codec on the
carrier board.
2.3.8.
PCI Express (PCIE) Configuration
The COMe-bSL6 supports eight general-purpose PCIe lanes and one PEG port with 16 lanes
2.3.8.1.
General Purpose PCI-Express Lanes
The eight PCIe lanes are available on the COMe connector. The COMe signals PCIE0-PCIE3 serve as the Intel PCIe
Storage Device #1.
Table 9: General Purpose PCI-Express lanes
COMe Connector
PSH HSIO Port
PCH I/O Function
Comments
PCIE0
15
PCIe #9
Intel PCIe Storage Device #1.
PCIE1
16
PCIe #10
PCIE2
17
PCIe #11
PCIE3
18
PCIe #12
PCIE4
7
PCIe #1
PCIE5
8
PCIe #2
PCIE6
9
PCIe #3
PCIE7
10
PCIe #4
2.3.8.2.
PCI-Express Graphics x16 (PEG) Port
The PCI Express Graphics x 16 (PEG) port is available on the COMe connector. The configuration is changeable with
1x 16 as default. If more than one device is connected, then the device with the highest lane count should be
connected to the lower lanes, for example, connect lane 0 to lane 0 of the device with the highest lane count. The
opposite is true for lane reversal. In this case, the device with the highest lane count is connected to the higher lanes,
for example, connect lane 15 to lane 0 of the device.
For more information on possible bifurcation configurations and lane mapping, see Table 10 PCI-Express Graphics x16
(PEG) Port Bifurcation and Lane Mapping and Table 11. PCI-Express Graphics x16 (PEG) Port Bifurcation and Lane
Reversal Mapping.