1 Hardware Overview
Satellite/Satellite Pro U500D/505D/507D/PORTEGE M900 Maintenance Manual [CONFIDENTIAL] 1-13
BIOS EEPROM
• 8 Mbit SPI serial flash
• 8-lead SOIC package
Card controller
• One Ricoh R5U230 is used
• Futures:
– PCI Express I/F
– SD/MMC, Memory Stick, XD Picture Card Interface
– IEEE 1394 Interface
– 48-pin, 6×6×0.9mm, QFN Package
Sound Controller
• REALTEK ALC629
• Mono Microphone-in and stereo headphone-out.
• Internal Microphone
• Volume control: Digital control
• Stereo w/box L/R = 6.0cc/4.3cc, 4 ohm / 1.5W
EC/KBC (Embedded Controller/Keyboard Controller)
• One ITE IT8512E chip functions as both EC and KBC.
Clock Generator
• One SLG8SP628V is used.
• This device generates the system clock.
Modem Controller (BTO)
• One MDC is used
• This controller has the following functions:
– One RJ11 port
– Digital line protection support
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