Mini Pci-Express Connector (Cn22) (Optional); Keyboard And Ps/2 Mouse Connector (Cn1) - AXIOMTEK IMB523R User Manual

IMB523R / 524R / 525R LGA1151 ATX Motherboard
2.5.1

Mini PCI-Express Connector (CN22) (Optional)

Pin Signal
1 WAKE#
3 N/C
5 N/C
7 CLKREQ#
9 GND
11 REFCLK-
13 REFCLK+
15 GND
17 N/C
19 N/C
21 GND
23 PE_RXN7
25 PE_RXP7
27 GND
29 GND
31 PE_TXN7
33 PE_TXP7
35 GND
37 GND
39 +3.3V_DUAL
41 +3.3V_DUAL
43 GND
45 N/C
47 N/C
49 N/C
51 N/C
Screw type is M2*0.4.
Note
2.5.2

Keyboard and PS/2 Mouse Connector (CN1)

The board supports a keyboard and mouse interface. Connector CN1 is a DIN connector
for PS/2 keyboard connection via a Y-Cable.
Pin Signal
1 Keyboard Data
2 Mouse Data
3 GND
4 VCC
5 Keyboard Clock
6 Mouse Clock
14
Pin Signal
2 +3.3V_DUAL
4 GND
6 +1.5V
8 UIM_PWR
10 UIM_DATA
12 UIM_CLK
14 UIM_RESET
16 UIM_VPP
18 GND
20 W_DISABLE#
22 PERST#
24 +3.3V_DUAL
26 GND
28 +1.5V
30 SMB_CLK_RESUME
32 SMB_DATA_RESUME
34 GND
36 USB3-
38 USB3+
40 GND
42 N/C
44 N/C
46 N/C
48 +1.5V
50 GND
52 +3.3V_DUAL
CN1
Board and Pin Assignments