Toshiba Portege A600 Maintenance Manual page 72

2 Troubleshooting Procedures
BIOS ROM check
Display setup
F112
Display setup
Display setup
F113 Display check
Display setup
F114
BIOS Boot logo display
CMOS reading
F115
Memory check
F116 CPU error checking
Memory check
F117
Memory initialization
F118 Exception check error (it does not HALT)
F119 setup of ICH (DMAC)
F11A setup of ICH (DMAC)
F11B setup of ICH (DMAC)
F11E Display setup
F11F Password processing
setup of RAM data
LAN initialization
F120
LAN setup
2-26 [CONFIDENTIAL]
Table 2-7 Debug port error status (4/8)
EC/KBC(EC)
VGA
MCH(MEM I/O)
RAM
ICH(CMOS)
ICH(CMOS)
VGA
ICH(CMOS)
RAM
CPU
RAM
ICH(CMOS)
RAM
CPU
ICH(DMAC)
ICH(DMAC)
ICH(DMAC)
VGA
EC/KBC(EC)
VGA
ICH(USB Controller) RAM
LAN Controller
MCH(PCI Register)
VGA
CPU
BIOSROM
2.4 System Board Troubleshooting
IC3200(EC/KBC)
IC1200(VGA,MCH)
IC1420,1421,1430,1431(RAM)
IC1440,1441,1450,1451(RAM)
CN1410(RAM Conn.)
IC1600(ICH)
IC1600(ICH)
IC1200(VGA)
IC1600(ICH)
IC1420,1421,1430,1431(RAM)
IC1440,1441,1450,1451(RAM)
CN1410(RAM Conn.)
IC1050(CPU)
IC1420,1421,1430,1431(RAM)
IC1440,1441,1450,1451(RAM)
CN1410(RAM Conn.)
IC1600(ICH)
IC1420,1421,1430,1431(RAM)
IC1440,1441,1450,1451(RAM)
CN1410(RAM Conn.)
IC1050(CPU)
IC1600(ICH)
IC1600(ICH)
IC1600(ICH)
IC1200(VGA)
IC3200(EC/KBC)
IC1200(VGA)
IC1600(ICH)
IC1420,1421,1430,1431(RAM)
IC1440,1441,1450,1451(RAM)
CN1410(RAM Conn.)
IC4000(LAN Controller)
IC1200(MCH,VGA)
IC1050(CPU)
IC3001(BIOS ROM)
PORTEGE A600 Maintenance Manual (960-710)