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Hardware Configuration
MI989
User’s Manual
25
2
2.5.11 Front Panel Settings Connector (J2)
Pin
Signal Name
Pin
Signal Name
1
Power BTN
2
Power BTN
3
HDD LED+
4
HDD LED-
5
Reset BTN
6
Reset BTN
7
Power LED+
8
Power LED-
J18 is utilized for system indicators to provide light indication of the
computer activities and switches to change the computer status. It provides
interfaces for the following functions.
ATX Power ON Switch (Pins 1 and 2)
The 2 pins make
an “ATX Power Supply On/Off Switch” for the system
that connects to the power switch on the case. When pressed, the
power switch will force the system to power on. When pressed again,
it will power off the system.
Hard Disk Drive LED Connector (Pins 3 and 4)
This connector connects to the hard drive activity LED on control
panel. This LED will flash when the HDD is being accessed.
Reset Switch (Pins 5 and 6)
The reset switch allows you to reset the system without turning the
main power switch off and then on again. Orientation is not required
when making a connection to this header.
Power LED (Pins 7 and 8)
This connector connects to the system power LED on control panel.
This LED will light when the system turns on.
Summary of Contents for MI989 Series
Page 1: ...MI989 Series AMD V2000 Mini ITX Motherboard User s Manual Version 1 0 June 2021...
Page 12: ...6 MI989 User s Manual 1 6 Block Diagram...
Page 15: ...General Information MI989 User s Manual 9 1 1 8 Dimensions...
Page 16: ...10 MI989 User s Manual This page is intentionally left blank...
Page 20: ...14 MI989 User s Manual 2 3 Jumper Connector Locations on MI989...
Page 34: ...28 MI989 User s Manual This page is intentionally left blank...
Page 49: ...BIOS Setup MI989 User s Manual 43 4 Serial Port 1 Configuration Serial Port 2 Configuration...
Page 52: ...46 MI989 User s Manual 4 4 6 CPU Configuration...
Page 53: ...BIOS Setup MI989 User s Manual 47 4 4 4 7 IDE Configuration...
Page 57: ...BIOS Setup MI989 User s Manual 51 4 4 4 12 NVMe Configuration...
Page 58: ...52 MI989 User s Manual 4 4 13 AMD CBS...
Page 60: ...54 MI989 User s Manual 4 5 2 North Bridge Configuration...
Page 64: ...58 MI989 User s Manual This page is intentionally left blank...