Sata 3.0 Connectors (Sata1 ~ Sata4); Smbus Header (Cn28); Voltage Monitor Header (Cn27) - AXIOMTEK IMB520R User Manual

2.5.13

SATA 3.0 Connectors (SATA1 ~ SATA4)

These Serial Advanced Technology Attachment (Serial ATA or SATA) connectors are for
SATA 3.0 interface allowing up to 6.0Gb/s data transfer rate. It is a computer bus
interface for connecting to devices such as hard disk drive.
Pin Signal
1 GND
2 SATA_TX+
3 SATA_TX-
4 GND
5 SATA_RX-
6 SATA_RX+
7 GND
2.5.14

SMBus Header (CN28)

The CN28 (5x1-pin p=2.00mm) is for SMBus (System Management Bus) interface.
Pin Signal
1 SMB_SCL
3 GND
5 +5V
2.5.15

Voltage Monitor Header (CN27)

The function of CN27 (8x1-pin p=2.54mm) is for voltage monitoring. It doesn't supply
power.
Pin Signal
1 GND
3 VCC5_SB
5 -5V
7 -12V
Board and Pin Assignments
IMB520R / 521R LGA1151 ATX Motherboard
Pin Signal
2 N/C
4 SMB_SDA
Pin Signal
2 GND
4 +3.3V
6 +5V
8 +12V
3 1
4
2
17