Samsung R530, Service Manual

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4-7
4. Troubleshooting
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R530/R730
TP_NUMBER TP_LABEL Contents
0D4h TP_CPU_GET_STRING Get CPU brand string
050h TP_CPU_DISPLAY Display CPU type and speed
05Ah TP_DISPLAY_F2 Display "Press F2 for Setup" prompt - enable the keyboard interrupt
05Ch TP_MEMORY_TEST Size conventional memory, store the amount, print this to the screen.
060h TP_EXT_MEMORY Perform memory tests on extended RAM.
062h TP_EXT_ADDR Perform address tests on extended RAM
06Ah TP_DISP_CACHE Display cache RAM size if desired.
06Ch TP_DISP_SHADOWS Display BIOS shadow status
0CFh TP_ERROR_MSGS Display any errors found
072h TP_TEST_CONFIG Check for bad configuration
04Fh TP_MULTBOOT_INIT Allocates storage for the old and new history tables.
07Ch TP_HW_INTS initialize hardware interrupt vectors
096h TP_CLEAR_HUGE_ES
Perform a shutdown eight to transition from the warm start table to
the cold start table.
088h TP_BIOS_INIT
Initialize timeouts, key buffer, soft reset flag Initialize also shadow
ram data for memory size;
081h TP_LATE_DEVICE_INIT POST device initialization routine
087h TP_MCD_INIT
Each MCD device in the dedicated segment, calls the configure
routine.;
083h TP_FDISK_CFG_IDE_CTRLR Configure non-MCD IDE controllers.
089h TP_ENABLE_NMI Enable NMIs
090h TP_FDISK
Test hard disksIf the CMOS ram is valid and intact, and fixed disks are
defined then call the fixed disk init routine to intialize the fixed disk
system and take over the appropriate interrupt vectors.
08Bh TP_MOUSE Setup PS/2 Mouse Interrupt & initialize Extended BDA
095h TP_CD Multiboot CD-ROM initialization
096h TP_CLEAR_HUGE_ES Exit big real mode
0AEh TP_CLEAR_BOOT Clear ConfigFailedBit and InPostBit in CMOS
091h TP_FDISK_FAST_INIT Program timing registers according to PIO modes
0C7h TP_DOCK_INIT_LATE SIO Initialization
09Eh TP_IRQS Enable the proper hardware interrupts
0A0h TP_TIME_OF_DAY Set time of day
0A2h TP_KEYLOCK_TEST Test if KeyLock or Keyboard Controller Password is on.
0C2h TP_PEM_LOG Invokes the error logging function of all registered error handlers
0BAh TP_DMI Execute DMI Handlers
0C3h TP_PEM_DISPLAY
Invoked via the shuctdown table at the end of postScans the
pemRegTbl and calls the display function for each registered
0A8h TP_ERASE_F2 Remove "Press F2" prompt from the screen
0AAh TP_SCAN_FOR_F2 Check if User has requested SETUP.
0ACh TP_SETUP_CHECK Check to see if SETUP should be executed
0D7h TP_FIRSTWARE_CHECK FirstSpace Check
0AEh TP_CLEAR_BOOT Clear ConfigFailedBit and InPostBit in CMOS
0B0h TP_ERROR_CHECK Check for POST errors
0B2h TP_POST_DONE Set/clear status bits to reflect POST complete
0C5h TP_HOTKEY_END Mark the fact that we are no longer in POST
0BEh TP_CLEAR_SCREEN Cear the screen
0B6h TP_PASSWORD Query for password before boot
0D7h TP_FIRSTWARE_CHECK FirstSpace Check