Motherboard Connectors; M.2 2280 M-Key; M.2 3042/3052/2280 B-Key; M.2 2230 E-Key - Onlogic Karbon 800 Series Product Manual

port is rated to 5V @ 900mA of power delivery per USB-IF specification. These ports can only wake in
Modern Standby and are not active in Sleep and Hibernate system states.
Operating Temperature: -40~50°C

3 - Motherboard Connectors

3.1 - M.2 2280 M-key 1

This expansion slot is capable of supporting PCIe Gen 4 x4 and is routed directly to the CPU. This slot
is designed to support NVMe storage drives. A full pinout table for this expansion slot is provided in
Appendix C.
3.2 - M.2 2280 M-key 2
This expansion slot is capable of supporting PCIe Gen 4 x4 or SATA III and is routed to the chipset.
This slot is designed to support NVMe or SATA storage drives. A full pinout table for this expansion
slot is provided in Appendix C.

3.3 - M.2 3042/3052/2280 B-key

This expansion slot is capable of supporting PCIe Gen 3 x2, SATA III, USB 3.2 Gen 2, USB 2.0, and dual
SIM card inputs from the external I/O. This slot is designed to support various expansion cards such
as SATA storage drives and 4G LTE or 5G cellular cards. A full pinout table for this expansion slot is
provided in Appendix C.
The SIM1 and SIM2 3FF Micro-SIM card slots are connected to this slot. The routing can be selected
in the BIOS. The default setting routes SIM1 to the mPCIe slot and SIM2 to the M.2 B-key slot, but
both SIM cards can be routed to the M.2 B-key slot to support modems with SIM failover capability.
Please refer to the BIOS user manual (Appendix B) for more information.

3.4 - M.2 2230 E-key

This expansion slot is capable of supporting PCIe Gen 3 x1 and USB 2.0 signals. This slot is designed
to support M.2 2230 Wi-Fi expansion cards. A full pinout table for this expansion slot is provided in
Appendix C.

3.5 - mPCIe

This expansion slot is capable of supporting PCIe Gen 3 x1, USB 2.0, and SIM card input from the
external I/O. This slot is designed to support full-length cards. Half-length cards can be installed using
an adapter. A full pinout table for this expansion slot is provided in Appendix C.
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