Maintenance Manual
Page 22
...SOUND CODEC (AND- T. θ Other main system chips • EC/KBC (Hitachi- 1.1 Features 1 Hardware Overview θ PC card controller (YEBISU3S) • PCI interface (PCI Revision2) • Chipset interface • Intel serial interrupt • CardBus/PC Card controller (Yenta Version2.2) :2 slots • Parallel power supply control (Toshiba...) • 1394 Controller (TI- made TSB43AB22PDT) • E2PROM (BR93LC46F-Q (used for LAN MAC address)) PORTEGE A100 Maintenance Manual (960-460) 1-9 Using the secondary AC97 Line. θ LAN controller (Intel-made TMP87PM48U x 1) •...
...SOUND CODEC (AND- T. θ Other main system chips • EC/KBC (Hitachi- 1.1 Features 1 Hardware Overview θ PC card controller (YEBISU3S) • PCI interface (PCI Revision2) • Chipset interface • Intel serial interrupt • CardBus/PC Card controller (Yenta Version2.2) :2 slots • Parallel power supply control (Toshiba...) • 1394 Controller (TI- made TSB43AB22PDT) • E2PROM (BR93LC46F-Q (used for LAN MAC address)) PORTEGE A100 Maintenance Manual (960-460) 1-9 Using the secondary AC97 Line. θ LAN controller (Intel-made TMP87PM48U x 1) •...
Maintenance Manual
Page 62
...the start head and sector in Cold Boot) When DRAM size = 0, HLT. Disabling cache Initializing H/W( before recognizing DRAM) Initializing chipset Initializing FLUTE Initializing PIT channel 1( Refresh interval→30µs) Checking the type and size of DRAM (in the directory Read ...Testing of SM-RAM stack area When it can not be used for BEEP) Enabling system speaker Releasing mute Making the volume max. PORTEGE A100 Maintenance Manual (960-460) 2-21 2.4 System Board Troubleshooting 2 Troubleshooting Procedures Table 2-3 D port status (2/7) D port status F005h F006h Inspection...
...the start head and sector in Cold Boot) When DRAM size = 0, HLT. Disabling cache Initializing H/W( before recognizing DRAM) Initializing chipset Initializing FLUTE Initializing PIT channel 1( Refresh interval→30µs) Checking the type and size of DRAM (in the directory Read ...Testing of SM-RAM stack area When it can not be used for BEEP) Enabling system speaker Releasing mute Making the volume max. PORTEGE A100 Maintenance Manual (960-460) 2-21 2.4 System Board Troubleshooting 2 Troubleshooting Procedures Table 2-3 D port status (2/7) D port status F005h F006h Inspection...