Owner's manual

NOVA-HM551 5.25" SBC
Page 31
Pin Description Pin Description
49 N/C 50 GND
51 N/C 52 VCC3
Table 3-14: PCIe Mini Card Slot Pinouts
3.2.13 PCI Express x16 Slot
CN Label: CONN1
CN Type:
PCIe x16 slot
CN Location:
See
Figure 3-14
CN Pinouts:
See
Table 3-15 (Side A) Table 3-16 (Side B)
The PCIe x16 expansion cards slot is for PCIe x16 expansion cards.
Figure 3-14: PCIe x16 Slot Location
Pin Description Pin Description Pin Description Pin Description
A1 Name A22 HSIn(1) A43 HSIp(6) A64 HSIp(11)
A2 PRSNT#1 A23 GND A44 HSIn(6) A65 HSIn(11)
A3 +12v A24 GND A45 GND A66 GND
A4 +12v A25 HSIp(2) A46 GND A67 GND
A5 GND A26 HSIn(2) A47 HSIp(7) A68 HSIp(12)
A6 JTAG2 A27 GND A48 HSIn(7) A69 HSIn(12)
A7 JTAG3 A28 GND A49 GND A70 GND
A8 JTAG4 A29 HSIp(3) A50 RSVD A71 GND
A9 JTAG5 A30 HSIn(3) A51 GND A72 HSIp(13)
A10 +3.3v A31 GND A52 HSIp(8) A73 HSIn(13)