MSI 990FXA

Hardware Setup
MS-7640
Chapter 2
2-23
Hardware Setup
MS-7640
Chapter 2
Debug LED Panel
Please refer to the table below to get more nformaton about the Debug LED mes-
sage.
Post Status
D1 Perform keyboard controller BAT test. Check f wakng up from power man-
agement suspend state. Save power-on CPUID value n scratch CMOS.
03 Dsable NMI, Party, vdeo for EGA, and DMA controllers. Intalze BIOS,
POST, Runtme data area. Also ntalze BIOS modules on POST entry and
GPNV area. Intalzed CMOS as mentoned n the Kernel Varable “wC-
MOSFlags”.
0C Detects the presence of Keyboard n KBC port.
13 Early POST ntalzaton of chpset regsters.
2A Intalzes d󰘯erent devces through DIM.
2C Intalzes d󰘯erent devces. Detects and ntalzes the vdeo adapter n-
stalled n the system that have optonal ROMs.
37 Dsplayng sgn-on message, CPU nformaton, setup key message and any
OEM spec󰘰c nformaton.
38 Intalzes d󰘯erent devces through DIM.
3C Md POST ntalzaton of chpset regsters.
60 Intalzes NUM-LOCK status and programs the KBD typematc rate.
75 Intalzes INT-13 and prepare for IPL detecton.
78 Intalzes IPL devces controlled by BIOS and opton ROMs.
8C Late POST ntalzaton of chpset regsters.
00 Passes control to OS Loader (typcally INT 19h).