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Chapter 4: Motherboard Connections
Intel RAID Key Header
The JRK1 header allows you to enable RAID functions for NVMe connections. Refer to the
Intel RAID Key Header
Pin Denitions
Pin# Dention
1 GND
2 PU 3.3V Stdby
3
GND
4
PCH RAID KEY
NVM Express Connections
There are two Slimline SAS connectors located on the motherboard to support two PCIe
4.0 x4 NVMe connections. This connector provides high-speed and low-latency connections
directly from the CPU to NVMe Solid State (SSD) drives. This greatly increases SSD data-
requirements resulting from direct PCIe interface from the CPU to the NVMe SSD drives.
NVME0/1 Connector
Pin Denitions
Pin# Signal Pin# Signal
1 GND 20 RX4P
2 RX0P 21 RX4N
3 RX0N 22 GND
4 GND 23 RX5P
5 RX1P 24 RX5N
6 RX1N 25 GND
7 GND 26 SB7B
8 SB7A 27 SB4B
9 SB4A 28 GND
10 GND 29 SBB+
11 SBA+ 30 SBB-
12
SBA- 31 GND
13 GND 32 RX6P
14 R2XP 33 RX6N
15 RX2N 34 GND
16 GND 35 RX7P
17 RX3P 36 RX7N
18 RX3N 37 GND
19 GND
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