2.4 System Board Troubleshooting 2 Troubleshooting Procedures
QOSMIO F20 Maintenance Manual (960-526) [CONFIDENTIAL] 2-35
Table 2-6 Debug port (Resume mode) error status (4/4)
LED status
Test item Contents
(F12Ah) Renewal of parameter block A
Process related to CPU
Setting of CPU clock to SETUP
designation
Waiting for motor-off of disabled HDD
Final decision of USB FDD information
Post-process of PRE_BOOT_SETUP
Clears PWRBTN_STS
Enables Power Button
Measures against chip set defective
Waiting for the completion of
recovery of VGA register
Recovery of PIT register
Recovery of PCI configuration
register
Recovery of PIC MASK
Executing of driver for RESUME
Checks if the power-off switch is
pressed or not during resume
processing (Suspends if pressed.)
F12Bh
Executes HOTKEY F1process when
booting in instant security
F12Ch
(Not in ACPI mode) Clears key buffer
F12Dh
(In ACPI mode) Clears IRT status.
Clears flag in Resume process
Acquires Wake Up Vector address.
Clears key buffer.
Renewal of date/time
ACPI mode on
F12Eh
(In ACPI mode)
Recovery of write-protected status before.
FFFFh
(In ACPI mode / not in ACPI mode) Returning to the main process
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