Nvidia manual LED 4, 5, 6, 7, 8, 9, 10, 2-26, Group4 Group3 Group2 Group1, MS-7374 Mainboard

MS-7374 Mainboard

LED 4, 5, 6, 7, 8, 9, 10, 11

These four LEDs allow users to identify system problems through 16 various combi- nations of LED signals.

LED4 LED5 LED6 LED7 LED8 LED9 LED10 LED11

Group4

Group3

Group2

Group1

Red

LED Signal

Group4

Group3

Group2

Group1

Group4

Group3

Group2

Group1

Group4

Group3

Group2

Group1

Group4

Group3

Group2

Group1

Group4

Group3

Group2

Group1

Group4

Group3

Group2

Group1

Group4

Group3

Group2

Group1

Group4

Group3

Group2

Group1

2-26

Green

Description

System Power ON

The D-LED will hang here if the processor is damaged or not in- stalled properly.

EarlyChipset Initialization

Memory Detection Test

Testing onboard memory size. The D-LED will hang if the memorymod- ule is damaged or not installed properly.

Decompressing BIOS image to RAM for fast booting.

Initializing Keyboard Controller.

Testing VGA BIOS

This will start writing VGA sign-on message to the screen.

Processor Initialization

This will show information regarding the processor (like brand name, sys- tem bus, etc...)

Testing RTC (Real Time Clock)

LED Signal		Description
	Group4	Initializing Video Interface
	Group3	This will start detecting CPU clock,
	Group2	checking type ofvideo onboard. Then,
	Group1	detect and initializethe video adapter.
	Group4	BIOS Sign On
	Group3	This will start showing information
	Group2	about logo, processor brand name,
	Group1	etc...
	Group4	Testing Base and Extended Memory
	Group3	Testing base memory from 240K to
	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
	Group4	Initializing Floppy Drive Controller
	Group3	This will initialize Floppy Drive and
	Group2	controller.
	Group1
	Group4	BootAttempt
	Group3	This will set low stack and boot via
	Group2	INT 19h.
	Group1
	Group4
	Group3	Operating System Booting
	Group2
	Group1