Toshiba PORTEGE R830 Maintenance Manual page 68

System BIOS IRT processing
Debug Code BIOS processing outline
F100 IRT section start
Creation of SETUP
F101
information
F102 PCI Express initialization
F103 PCH Express initialization
F104 SMRAM initialization
End of SMRAM
F105
initialization
F106 EC Evart initialization
F107 USB Legacy initialization
Device Lock main
F108
processing start
Device Lock device
F109
processing start
End of Device Lock main
F10A
processing
Thermal control
F10B
initialization
Digital thermal sensor
F10C
initialization
End for IRT of a module
F10D
load
F10E Memory test start
F10F End of a memory test
F110 Start of VGA initialization
F111 End of VGA initialization
Interrupt vector table
F112
initialization
F113 VGA, LAN initialization
End of option ROM
F114
execution
F115 Logo display start
Start of IDE Bus initializatio
F116
n
End of IDE Bus initializatio
F117
n
PORTEGE R830 Satellite R830 Series Maintenance Manual (960-880) [CONFIDENTIAL]
Table 2-4 Debug port error status (2/2)
Target Device
CPU
BIOSROM
RAM
PCH
PCH,RAM
PCH
RAM
PCH
RAM
EC
PCH
RAM
RAM
RAM
RAM
CPU
RAM
RAM
RAM
RAM
RAM
RAM
VGA
LAN
BIOSROM
RAM
RAM
RAM
PCH
RAM
Troubleshooting Procedures
IC No.
IS1050 (CPU)
IC3001/IC3002 (BIOS ROM)
CN1400, CN1410 (RAM
Conn.)
IC1600 (PCH)
IC1600 (PCH)
IC1600 (PCH)
CN1400, CN1410 (RAM
Conn.)
IS1050 (CPU Socket),
CN1400, CN1410 (RAM
Conn.)
IC3200 (EC/KBC)
IC1600 (PCH)
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
IS1050 (CPU Socket)
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
IC1600 (PCH)
CN1400, CN1410 (RAM
Conn.)
CN1400, CN1410 (RAM
Conn.)
IC1600 (PCH),
IC4000 (LAN Controller),
IC3001 /IC3002(BIOS
ROM), CN1400,CN1410
(RAM Conn.)
CN1400, CN1410 (RAM
Conn.)
IC1600 (PCH)
IC1600 (PCH)
IC1600 (PCH)
2-27