Table 17. Mainboard connector legend
Letter Description
A Smart fan (future expansion)
B SATA
C USB 2.0 dongle
D SATA
E DDR4 SO-DIMM
F PCIe x16 slot for PEG and SATA
G M.2
H Wafer for reserved power of extensions
I USIM for M.2
J USIM for Mini PCIe
K Mini PCIe
L Wafer for I2C sensor
M Wafer for speaker
N Wafer for COM x2 (optional), 8-ch DI, 8-ch DO, mic in and line out
O Wafer for COM x4
P Wafer for I2C sensor
Q Internal power button
R PCIe x16 slot for PCIe and BP power
S RTC battery
T Board-to-Board for AFM board
U PWR for AFM MXM carrier board (12 V)
V Clear CMOS Jumper
USB 2.0 connector
One USB 2.0 Type-A connector is provided on the mainboard for internal USB dongle, with another on the backplane board.
Mini PCIe connector
The internal Mini PCIe connector (Rev. 1.2) supports full-size Mini PCIe cards.
SATA connector
The SATA connector supports transfer up to 6.0 Gb/s (600 MB/s).
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System Layout