Toshiba QOSMIO G20 manual System Block Diagram Hardware Overview

1.2 System Block Diagram 1 Hardware Overview

❑Super I/O (SMSC-made LPC47N217) Two serial ports (NS16C550 compatible)

-One port is used as Debug port

❑VGA controller nVIDIA NV43m

-Built-in VRAM 64MB/128MB

-PCI Express Interface

-LCD Interface LVDS 2ch

-Supports TV Encoder, S-Video

❑Mini PCI Wireless LAN card

2.4GHz DSSS/OFDM, 5.0GHz OFDM wireless LAN card is equipped. Conformity with IEEE 802.11b/g or IEEE 802a/b/g. Transfer speed is maximum of 11Mbit/sec. Supports 128bit WEP.

TV tuner

Some signals (NTSC, PAL and SECAM) are supported for worldwide use and MPEG2 hardware encoding function are also supported.

‰LAN controller (ICH4-M Kinnerth 82562EP)

Controls LAN and supports 100BASE-TX (Fast Ethernet)/10BASE-T (Ethernet).

‰Other main system chips

¾PSC (Toshiba-made TMP87PM48U x 1)

¾Clock Generator (ICS-made 954204BGFT x 1)

¾EC/KBC (Renesas-made M306KA x 1)

¾FWH (ST-Micro-made M50FW080N1 x 1)

¾AC97-CODEC (ADI-made AD1981 x 1)

¾Audio AMP (Matsushita-made AN12941A-VF x1)

¾SVP EX (Trident-made 7052-LF x 1)

1-8 [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)