Toshiba QOSMIO G20 - page 22

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
¾ PSC (Toshiba-made TMP87PM48U x 1)
¾ Clock Generator (ICS-made 954204BGFT x 1)
¾ EC/KBC (Renesas-made M306KA x 1)
¾ FWH (ST-Micro-made M50FW080N1 x 1)
¾ AC97-CODEC (ADI-made AD1981 x 1)
¾ Audio AMP (Matsushita-made AN12941A-VF x1)
¾ SVP EX (Trident-made 7052-LF x 1)
1-8 [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)