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SATA_Express_1: SATA Express Connector
Each SATA Express connector can support one SATA Express device or two SATA devices.
Note
» When using SATA SSD module on M.2 slot, the SATA3_2L connector will be disabled.
» When using PCIe SSD module on M.2 slot, the SATA3_1U/2U connectors will be disabled.
SATA3_3U/3_3L: Serial ATA Connectors
These connectors connect to SATA hard disk drives via SATA cables.
JFRONT_USB3_1: Header for USB 3.0 Ports at Front Panel
This header allows user to add additional USB ports on the PC front panel, and also can be
connected with a wide range of external peripherals.
Note
» This connector supports Biostar Charger Booster II technology which boosts the charging time of
your USB-powered devices when your system is power-on..
» The charging mode can be selected in BIOS setup menu or Charger Booster II program.
16 | Chapter 2: Hardware installation
Pin
Assignment Pin Assignment
S1/S8
Ground
P1
S2/S9
TX+
P2
S3/S10 TX-
P3
S4/S11 Ground
P4
S5/S12 RX-
S6/S13 RX+
S7/S14 Ground
Pin
Assignment
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
Pin
Assignment
Pin
1
VBUS0
11
2
SSRX1-
12
3
SSRX1+
13
4
Ground
14
5
SSTX1-
15
6
SSTX1+
16
7
Ground
17
8
D1-
18
9
D1+
19
10
ID
20
Reserved
PERST#
CLKREQ#/DEVSLP
IFDet
Assignment
D2+
D2-
Ground
SSTX2+
SSTX2-
Ground
SSRX2+
SSRX2-
VBUS1
Key
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