User Guide

2 Troubleshooting 2.4 System Board
Table 2-2 Printer port LED boot mode status (3/3)
LED Status
(Hexadecimal)
Test Item
Description
40H DEBUG_CS_CONFIG_PORTS Configure the COMM and LPT ports
41H DEBUG_FLOP_INIT According cmos data to initialize the floppies
42H DEBUG_WINI_INIT Scan and initialize the hard disk, and display the result
on crt
43H DEBUG_HWIO_ROM_INIT Search option rom from c800 to e000 and to Initialize
opti on ROMs
44H DEBUG_OEM_INIT_POWER_MAN Check special device initial power management functi on
45H DEB UG_K EY B_ SET _L EDS_ 2 Cl ear key boar d buf f er and Updat e NUM L OCK status
46H DEBUG_HWIO_FIND_80X87 Test For Coprocessor I nstal l ed,and enable
coprocessor i nterrupt
47H DEBUG_OEM_LAST_MINUTE_INIT Run OEM functions before boot, and enable
L1,L2 cache
48H DEBUG_MISC_LAUNCH_INT19 Post code will finish,ready to run int19
and l oad OS
49H DEBUG_BEGIN_BOOT_CODE Into Int19, to boot from floppy or other
boot devi ce
50H DEBUG_ACPI_INIT Initialize the ACPI function
51H DEBUG_PM_CPU_INIT Power manager initial & GEYSERVILLE CPU
initialize
52H DEBUG_USB_HC_INIT Clear USB status register and Initiallize
the USB Hub controllor
2-16 Satellite M20 Maintenance Manual