AXIOMTEK MANO521 Series, Руководство пользователя

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MANO521 Mini ITX Motherboard
24 Board and Pin Assignments
System Reset Switch
Pin 11 and 12 connect the case-mounted reset switch that reboots your computer
without turning off the power switch. It is a better way to reboot your system for a longer
life of system power supply.
HDD Activity LED
This connection is linked to hard drive activity LED on the control panel. LED flashes
when HDD is being accessed. Pin 13 and 14 connect the hard disk drive to the front
panel HDD LED, pin 13 is assigned as cathode(-) and pin 14 is assigned as anode(+).
2.4.25 M.2 Key M Connector (CN35)
The motherboard comes with one M.2 Key M connector suitable for mounting
SATA/PCIE storage card.
1 11 21 75
1 10 20 74
Note
CN35 supports GEN2 x2 NVMe-based SSD.
[*]
: When the motherboard chipset is changed to Intel
®
Q370, these pins
support GEN3 x4 NVMe-based SSD.
Pin Signal Pin Signal Pin Signal
1 GND 26 N/C 51 GND
2 +3.3V 27 GND 52 CLKREQ
3 GND 28 N/C 53 REFCLKN
4 +3.3V 29 PCIE#11_RXN 54 N/C
5 PCIE#9_RXN
[*]
30 N/C 55 REFCLKP
6 N/C 31 PCIE#11_RXP 56 N/C
7 PCIE#9_RXP
[*]
32 N/C 57 GND
8 N/C 33 GND 58 N/C
9 GND 34 N/C 59 N/C
10 M2_LED 35 PCIE#11_ TXN 60 N/C
11 PCIE#9_ TXN
[*]
36 N/C 61 N/C
12 +3.3V 37 PCIE#11_ TXP 62 N/C
13 PCIE#9_ TXP
[*]
38 N/C 63 N/C
14 +3.3V 39 GND 64 N/C
15 GND 40 N/C 65 N/C
16 N/C 41 PERN0/ 66 N/C
17 PCIE#10_RXN
[*]
42 N/C 67 N/C
18 +3.3V 43 PERP0/SATA_B- 68 N/C
19 PCIE#10_RXP
[*]
44 N/C 69 PEDET
20 N/C 45 GND 70 +3.3V
21 GND 46 N/C 71 GND
22 N/C 47 PETN0/SATA_A- 72 +3.3V
23 PCIE#10_ TXN
[*]
48 N/C 73 GND
24 N/C 49 PETP0/ 74 +3.3V
25 PCIE#10_ TXP
[*]
50 PERST 75 M_DETECT