Intel DH87RL

Technical Reference
47
Table 25. PCI Express Full-/Half-Mini Card Connector
Pin Signal Name Additional Signal Name Pin Signal Name
1 WAKE# 2 3.3 V
3 Reserved 4 GND
5 Reserved 6 1.5 V
7 CLKREQ# 8 Reserved
9 GND 10 Reserved
11 REFCLK- 12 Reserved
13 REFCLK+ 14 Reserved
15 GND 16 Reserved
17 Reserved 18 GND
19 Reserved 20 Reserved
21 GND 22 PERST#
23 PERn0 24 +3.3 V aux
25 PERp0 26 GND
27 GND 28 +1.5 V
29 GND 30 SMB_CLK
31 PETn0 32 SMB_DATA
33 PETp0 34 GND
35 GND 36 USB_D−
37 GND (mSATA) GND 38 USB_D+
39 +3.3 V aux (mSATA) 3.3 V 40 GND
41 +3.3 V aux (mSATA) 3.3 V 42 LED_WWAN#
43 Reserved (mSATA indicator) 44 LED_WLAN#
45 Reserved (mSATA) Vendor 46 LED_WPAN#
47 Reserved (mSATA) Vendor 48 +1.5 V
49 Reserved (mSATA) DA/DSS 50 GND
51 Reserved (mSATA) Presence Detection 52 _3.3 V
2.2.2.2 Add-in Card Connectors
The board has the following add-in card connectors:
• One PCI Express x16 (3.0/2.x/1.x)
• Three PCI Express x1 (2.x/1.x)
• One PCI Express Full-/Half-Mini Card (with support for mSATA)