Toshiba Tecra A2-S239 Maintenance Manual - Page 23

1.2 System Block Diagram 1 Hardware Overview q VGA controller Imbedded in North Bridge q Super I/O (SMSC- made LPC-47n277-MN) • FDC (765B FDC) • Parallel port control (PS/2 bi-directional compatible, EPP compatible, IEEE1284 ECP) q Other main system chips • EC/KBC (SMSC-made LPC microcontroller LPC47N259 x 1) • PSC (Tos hiba- made TMP87PM48U x 1) • Thermal sensor (AnalogDevice- made ADM1032 x 1) • Audio AMP (Mitsumi-made MM1517X x1) • AC97-CODEC (SigmaTel- made STAC9750TG x1) q Mini PCI (802.11b: made by Intel, 802.11a/g: made by Askey or Intel, 802.11g: made by Intel x 1) 2.4 GHz DSSS wireless LAN card is equipped in the mini PCI card slot. Conformity with IEEE 802.11b (WiFi). Transfer speed is maximum of 11Mbit/sec. Supports 128bit WEP. q LAN (Intel- made Kinnereth (ED82562 x 1) Controls LAN. Supports 100Base-TX and 10Base-T. q MODEM (Askey-made 1456VQL4A (INT) x 1) Supported by MDC. Uses secondary AC97 line. Data and FAX transmission is available. Supports ITU-TV.90 and V.92. The transfer speed of data receiving is 56kbps, of data sending is 33.6kbps and of FAX is 14.4Kbps. Actual speed depends on the quality of the line used. Connected to telephone line through RJ11 modem jack. Satellite A50/TECRA A 2 Maintenance Manual (960-478 ) 1-9