Samsung SENS R60 Plus Service Manual

Also see for SENS R60 Plus: User guide Service manual

Contents

SENS R60 Plus < 4 - 4 >3) System Diagnosis(1) System Diagnostics CardThe Diagnostics Card shows the system operations during the POST (Power On Self Test) in a2 digit hexadecimal number by connecting the cable to the 10 pin connector below the PCMCIA slotafter separating the Top part. The card is used to evaluate the reason for the malfunction withoutdisassembling the system when the system malfunctions and to test if the system operates normallyafter replacing a defective FRU.(2) Debugging CodeIn general, if a defect of the circuit or part is detected during the system test, the system stops ata particular code. The error codes for each part of the system are listed in the following table.Code Beeps POST Routine Description02h Verify Real Mode03h Disable Non-Maskable Interrupt04h Get CPU type06h Initialize system hardware08h Initialize chipset with initial POST values09h Set IN POST flag0Ah Initialize CPU registers0Bh Enable CPU cache0Ch Initialize caches to initial POST values0Eh Initialize I/O component0Fh Initialize the local bus IDE10h Initialize Power Management11h Load alternate registers with initial POST values12h Restore CPU control word during warm boot13h Initialize PCI Bus Mastering devices14h Initialize keyboard controller16h 1-2-2-3 BIOS ROM checksum17h Initialize cache before memory auto size18h 8254 timer initialization1Ah 8237 DMA controller initialization1Ch Reset Programmable Interrupt Controller20h 1-3-1-1 Test DRAM refresh22h 1-3-1-3 Test 8742 Keyboard Controlle24h Set ES segment register to 4 GB26h Enable A20 line28h Auto size DRAM29h Initialize POST Memory Manager2Ah Clear 512 KB base RAM2Ch 1-3-4-1 RAM failure on address line xxxx*2Eh 1-3-4-3 RAM failure on data bits xxxx* of low byte of memory bus2Fh Enable cache before system BIOS shadow30h 1-4-1-1 RAM failure on data bits xxxx* of high byte of memory bus32h Test the CPU bus-clock frequency33h Initialize Phoenix Dispatch Manager36h Warm start shutdown- This Document can not be used without Samsung's authorization -4. Troubleshooting