1 Hardware Overview 1.2 System Unit Block Diagram
1-10 PORTEGE M300 Maintenance Manual (960-504)
EC/KBC (Embedded Controller/Keyboard Controller)
One RENESAS M306KAFCLRP U0 chip functions as both EC and KBC.
Other main system chips
¾ PSC (Toshiba-made TMP87PM48U)
¾ Super I/O (SMSC-made LPC47N217-JV)
¾ Clock Generator (ICS-made 950812CGLFT)
¾ RS-232C Driver (MAXIM-made MAX3243CAI+TG074)
¾ Audio AMP (Matsushita-made AN12941A-VF)
¾ AXIS accelerometer (STMicro-made LIS3L02AQ)
Internal LAN Controller
One Kinnereth (82562ET) chip is used.
Supports 10/100Mbit Ethernet.
Supports LED and WOL.
Wireless LAN Card
2.4GHz DSSS/OFDM, 5.0GHz OFDM wireless LAN card is equipped.
Conformity with IEEE 802.11b, b/g or a/b/g. Theoretical transfer speed is
maximum of 54Mbps (with 802.11a, 802.11g), 11Mbps (with 802.11b) and
108Mbps (with Turbo Mode of Atheros module type). Supports 128bit WEP.