MSI P35 NEO2-FR - Motherboard - ATX User Manual page 38

M S-7345 M ainboard
LED 7, 8, 9 ,10, 17, 18, 19, 20
These four LEDs allow users to identify system problems through 16 various combi-
nations of LED signals.
Red
LED Signal
System Power ON
Group4
The D-LED will hang here if the
Group3
Group2
processor is damaged or not installed
Group1
properly.
Group4
Group3
Early Chipset Initialization
Group2
Group1
Memory Detection Test
Group4
Testing onboard memory size. The
Group3
D-LED will hang if the memory mod-
Group2
Group1 ule is damaged or not installed
properly.
Group4
Group3 Decompressing BIOS image to RAM
Group2
for fast booting.
Group1
Group4
Group3
Initializing Keyboard Controller.
Group2
Group1
Group4
Testing VGA BIOS
Group3
This will start writing VGA sign-on
Group2
message to the screen.
Group1
Processor Initialization
Group4
This will show information regarding
Group3
Group2
the processor (like brand name, sys-
Group1
tem bus, etc...)
Group4
Group3
Testing RTC (Real Time Clock)
Group2
Group1
2-24
LED20
LED10
LED19
LED9
LED18
LED8
LED17
LED7
Green
Description
Group4
Group3
Group2
Group1
LED Signal Description
Initializing Video Interface
Group4
This will start detecting CPU clock,
Group3
checking type of video onboard. Then,
Group2
Group1
detect and initialize the video adapter.
BIOS Sign On
Group4
This will start showing information
Group3
about logo, processor brand name,
Group2
Group1 etc...
Testing Base and Extended Memory
Group4
Testing base memory from 240K to
Group3
Group2 640K and extended memory above
Group1
1MB using various patterns.
Group4
Group3
Assign Resources to all ISA.
Group2
Group1
Initializing Hard Drive Controller
Group4
Group3
This will initialize IDE drive and
Group2
controller.
Group1
Initializing Floppy Drive Controller
Group4
Group3
This will initialize Floppy Drive and
Group2
controller.
Group1
Group4 Boot Attempt
Group3
This will set low stack and boot via
Group2
INT 19h.
Group1
Group4
Group3
Operating System Booting
Group2
Group1