Supermicro 2042G-72RF4, User Manual

Page: 67 / 112

Chapter 5: Advanced Serverboard Setup
5-19
Video Connector
A Video (VGA) connector is located on the IO
backplane. This connector is used to provide
video and CRT display.
SMBus Header
The JIPMB1 header at SMBus is for the
System Management Bus. Connect the
appropriate cable here to utilize SMB on the
system. See the table on the right for pin
definitions.
SMBus Header
(SMBus)
Pin Definitions
(JIPMB1)
Pin# Definition
1 Data
2 Ground
3 Clock
4 No Connection
Power SMB (I
2
C)
The Power System Management Bus (I
2
C)
connector (JPI2C1) monitors the power
suppply, fan and system temperatures. See
the table on the right for pin definitions.
Power SMB I
2
C
Pin Definitions
(JPI2C1)
Pin# Definition
1 Clock
2 Data
3 PWR Fail
4 Ground
5 +3.3V
Overheat LED
Connect an LED to the JOH1 header to
provide warning of chassis overheating. See
the table on the right for pin definitions.
Overheat LED
Pin Definitions
(JOH1)
Pin# Definition
1 3.3V
2 OH Active
SATA DOM Power Connector
A power connector for SATA DOM (Disk_On_
Module) devices is located at JSD1. Connect
an appropriate cable here to provide power
support for your DOM devices.
SATA DOM Power
Connector Pin
Definitions
(JSD1)
Pin# Definition
1 +5V
2 Ground
3 Ground