Samsung SENS R55 Service Manual page 51

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5. TROUBLESHOOTING
CODE
32 Measure the CPU speed
34 Check the CMOS value
38 Copy the BIOS information to memory
3A Check the CACHE size
3C Set the initial value for the Chipset Register
according to the value saved in the CMOS.
3D Set the initial value for the Super I/O Register
according to the value saved in the CMOS.
42 Initialize the Interrupt Vector
44 Initialize the BIOS Interrupt
46 Check the ROM Copyright
48 Check the video settings using CMOS.
49 Initialize the PCI bus and devices
4A Initialize the video adapter
4C Copy the Video BIOS information to memory
50 Display the CPU type and clock speed
52 Check the keyboard
56 Activate the keyboard
5C Check memory (512K~640K)
60 Check Extended Memory
62 Check the Memory Address line
66 Set the initial value for the CPU Cache Register
according to the value saved in the CMOS.
6A Display the External Cache Capacity
72 Check Configuration Error
76 Display Keyboard Error
7C Initialize the Hardware Interrupt Vector
7E Initialize the Auxiliary Processor
84 Initialize and check the Parallel Port
86 RE-INT ON-BOARD I/PORT
88 Initialize the BIOS Data Area (BDA)
SENS R55
Description Check Item
Remove the RTC battery and check if the
CMOS is initialized.
Check after removing the PCI device
Check the circuit around the graphic chip
Check the memory module installation status/
Check after a memory replacement
Check after the RTC Reset
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