Chapter 2, Debug led panel – MSI 890FXA-GD70 User Manual

Page 44

Advertising
background image

2-28

Hardware Setup

MS-7640

Chapter 2

Debug LED Panel

Please refer to the table below to get more nformaton about the Debug LED mes-

sage.

Post

Status

D1

Perform keyboard controller BAT test. Check f wakng up from power

management suspend state. Save power-on CPUID value n scratch

CMOS.

03

Dsable NMI, Party, vdeo for EGA, and DMA controllers. Intalze

BIOS, POST, Runtme data area. Also ntalze BIOS modules on

POST entry and GPNV area. Intalzed CMOS as mentoned n the

Kernel Varable “wCMOSFlags”.

0C

Detects the presence of Keyboard n KBC port.

13

Early POST ntalzaton of chpset regsters.

2A

Intalzes dfferent devces through DIM.

2C

Intalzes dfferent devces. Detects and ntalzes the vdeo adapter

nstalled n the system that have optonal ROMs.

37

Dsplayng sgn-on message, CPU nformaton, setup key message

and any OEM specfic nformaton.

38

Intalzes dfferent devces through DIM.

3C

Md POST ntalzaton of chpset regsters.

60

Intalzes NUM-LOCK status and programs the KBD typematc rate.

75

Intalzes INT-13 and prepare for IPL detecton.

78

Intalzes IPL devces controlled by BIOS and opton ROMs.

8C

Late POST ntalzaton of chpset regsters.

00

Passes control to OS Loader (typcally INT 19h).

Advertising