You can download DRIVER FOR TOSHIBA PORTEGE M200 NOTEBOOK from this page:

http://www.csd.toshiba.com/cgi-bin/tais/su/su_sc_modItemList.jsp?BV_SessionID=@@@@0215694699.1198448401@@@@&BV_EngineID
=ccciaddmleeihkjcgfkceghdgngdgnn.0&ModelDLOS=null&ModelDLCat=null&BV_SessionID=
@@@@0215694699.1198448401@@@@&BV_EngineID=ccciaddmleeihkjcgfkceghdgngdgnn.0&ListType=
Model&ct=DL&moid=519121&rpn=PPM21U&OrderBy=D&PublicStartIndex=
0&PrivateStartIndex=0&PublicCutOff=&PrivateCutOff=&AddOldPublicItems=
false&AddOldPrivateItems=undefined&all_docs=false

From the above page you can download:

Driver Wi-Fi = Intel(R) 802.11b Driver V1.2.4.41 & PROSet Utility V7.1.4.7 (v1.2.4.41; 10-09-2006; 13.53M)

Wi-Fi = Intel(R) 802.11a/b/g,b/g Driver V10.5.1.59/V9.0.4.17 & PROSet V10.5.0.1 (v10.5.1.59; 09-19-2006; 51.01M)

Bluetooth Driver = Toshiba Bluetooth Stack for Windows XP/2000 (v4.00.36(T); 04-28-2006; 26.56M)

DMI = Toshiba Notebook PC DMI Update Utility (v1.0 build 60303; 03-31-2005; 1.07M)

DVD-ROM Special = Firmware Update for DVD Drives (v1.0; 02-22-2006; 3.41M)

BIOS = ACPI Flash BIOS version 1.80 for Portege M200 (v1.80; 11-01-2005; 2.92M)

Driver Wi-Fi = Intel Wi-Fi 2915ABG and 2200BG Driver for Windows XP/2000 (v9.0.2.31; 10-07-2005; 2.07M)

BIOS = ACPI Flash BIOS version 1.70 for Portege M200 (v1.70; 08-08-2005; 2.91M)

Docking User Guide/Addenda = Toshiba Addendum Addressing Supported Ports on Advanced Port Replicator III Plus (v8; 04-19-2005; 23K)

Driver LAN Wi-Fi = Atheros 802.11a/g Wireless LAN Driver for Windows XP (v3.1.2.45; 01-17-2005; 2.01M)

User Guide/Addenda = Toshiba Online Resource Guide for Portege M200/M205 (v5; 10-29-2004; 750K)

LAN Wi-Fi = Intel 802.11b Mini PCI Wi-Fi Driver for Windows XP/2000 (v1.2.3.10; 11-12-2004; 1.68M)

LAN Wi-Fi = Intel PRO/Set Wi-Fi (802.11b) Client Utility for Windows XP/2000 (v7.1.3; 11-12-2004; 11.22M)

Toshiba Utility = Toshiba ACPI Common Modules for Windows XP (v6.01.05.TE; 10-18-2004; 2.64M)

User Guide/Addenda = Toshiba Online Users Guide for Portege M200/M205 (v1; 03-23-2004; 3.51M)

Driver Sound = ADI WDM Audio Driver for Windows XP SP2 (v5.12.01.5160; 08-31-2004; 7.58M)

LAN Wi-Fi = Atheros 802.11a/g Client Utility for Windows XP/2000 (v3.1.2.19.i123; 08-20-2004; 8.54M)

SD = SD Secure Module for Windows XP SP2 (v1.0.2-RC1; 08-31-2004; 2.12M)

ACPI Toshiba Utility = Toshiba ACPI Common Modules for Windows XP (v6.02.00.TE; 08-31-2004; 2.64M)

Toshiba Utility = Toshiba Accelerometer Utilities for Windows XP (v1.05.00; 08-31-2004; 7.09M)

Toshiba Utility = Toshiba Mobile Extension 3 for Windows XP SP2 (v3.65.00.XP; 08-31-2004; 1.94M)

Special Toshiba Utility = Toshiba Tablet Access Code Logon Utility for Windows XP (v1.02.00; 08-31-2004; 1.5M)

Toshiba Utility = Toshiba Utilities for Windows XP SP2 (v4.20.26; 08-31-2004; 2.63M)

Display Driver = Windows XP SP1/SP2 Display Driver for nVidia GeForce FX Go5200 (v46.44; 08-31-2004; 13.05M)

Bluetooth Toshiba Utility = Toshiba Bluetooth Monitor for Windows XP/2000 (v3.00.32; 09-01-2004; 1018K)

LAN Wi-Fi = Toshiba ConfigFree Utility for Windows XP/SP2 (v4.90.57; 09-01-2004; 23.59M)

BIOS = ACPI Flash BIOS version 1.60 for Portege M200 (v1.60; 07-27-2004; 2.8M)

BIOS = ACPI Flash BIOS version 1.40 for Portege M200 (v1.40; 07-16-2004; 2.8M)

Toshiba Utility = Toshiba Power Saver Utility for Windows XP (v7.03.04; 07-28-2004; 7M)

DVD Driver = Toshiba DVD RAM Driver Software for Windows XP (v3.1.0.0; 07-23-2004; 1.6M)

Diagnostics = Toshiba PC Diagnostic Tool for Windows XP/SP2 (v3.0.6; 07-23-2004; 3.79M)

User Guide/Addenda = Addendum - Updated Information for Your Portege M200/M205 (v1; 07-14-2004; 31K)

Driver LAN Wi-Fi = Intel 802.11b/g WiFi Driver for Windows XP (v8.02.12.9000w2; 06-02-2004; 848K)

Toshiba Utility= Toshiba Console for Windows XP/2000 (v3.04.00; 05-26-2004; 1.2M)

Driver Modem = Toshiba Software Modem Driver for Windows XP/2000 (v2.1.3.8; 05-26-2004; 1022K)

BIOS = ACPI Flash BIOS version 1.30 for Portege M200 (v1.30; 03-22-2004; 2.8M)

Driver LAN Wi-Fi = Intel 802.11a/b, b Mini-PCI Wireless LAN Driver for Windows XP (v1.6.0.47w2; 03-12-2004; 988K)

Display = Toshiba Rotation Utility for Windows XP (v3.00.00.03; 02-22-2004; 1.25M)

Toshiba Utility = Toshiba Zooming Utility for Windows XP (v2.0.0.13t; 02-21-2004; 1.05M)

Accessory CD DVD-ROM Docking = Tablet Multi Dock USB-IDE Firmware Update for Windows XP (vRev.06; 03-10-2004; 230K)

BIOS = ACPI Flash BIOS version 1.20 for Portege M200 (v1.20; 02-25-2004; 2.8M)

Driver LAN Wi-Fi = Toshiba 802.11a/b/g Driver set (Intel, Cisco, Atheros) for Windows XP (v1.11; 01-21-2004; 3.75M)

Toshiba Utility = Toshiba ConfigFree Utility for Windows XP/2000 (v4.50.09; 01-21-2004; 19.01M)

Toshiba Utility = Toshiba Mobile Extension 3 for Windows XP (v3.59.00.XP; 01-21-2004; 1.77M)

LAN Wi-Fi = Toshiba Wireless Client Utilities (Intel, Cisco, Atheros) for Windows XP (v1.11; 01-21-2004; 23.04M)

LAN Toshiba Utility Wi-Fi = Toshiba Wireless Hotkey Utility for Windows XP/2000 (v2.0.0.5; 01-21-2004; 1.45M)

BIOS = ACPI Flash BIOS version 1.10 for Portege M200 (v1.10; 01-29-2004; 2.79M)

Toshiba Utility = Toshiba Fax Extension for Windows XP (v1.0B1; 11-21-2003; 996K)

DMI Driver = Toshiba TBIOS Driver for Windows XP/2000 (v2.6USB2; 11-21-2003; 865K)

Driver Sound = ADI WDM Audio Driver for Windows XP/2000 (v5.12.01.3670; 11-07-2003; 6.58M)

Driver Touchpad = Alps Touchpad Driver for Windows XP (v6.0.302.3; 11-07-2003; 1.97M)

Driver PC Card = FREECOM Cable II Cardbus Driver for Windows XP (v208.2; 11-07-2003; 165K)

Toshiba Utility = Sign Recognition Logon Utility for Windows XP (v1.00.00-RC2; 11-07-2003; 1022K)

Toshiba Utility = Symbol Commander for Windows XP (v3,15T; 11-07-2003; 1.49M)

Special = Tablet PC Input Panel for Windows XP (v1.5.3184.0; 11-07-2003; 3.13M)

Toshiba Utility = Toshiba Accelerometer Utilities for Windows XP (v1.01.00; 11-07-2003; 3.28M)

LAN Toshiba Utility Wi-Fi = Toshiba ConfigFree Utility for Windows XP (v4.00.05; 11-07-2003; 19.11M)

Toshiba Utility = Toshiba Console for Windows XP (v3.03.00-RC2; 11-07-2003; 1.07M)

Toshiba Utility = Toshiba Display Device Change Utility for Windows XP/2000 (v1.4.0.0-01; 11-07-2003; 399K)

Display Toshiba Utility = Toshiba Hotkey Utility for Display Devices (v2.4.1.0; 11-07-2003; 399K)

Toshiba Utility = Toshiba Management Console for Windows XP/2000 (v3.5.1; 11-07-2003; 6.52M)

Toshiba Utility = Toshiba Mobile Extension 3 for Windows XP (v3.55.00.XP; 11-07-2003; 1.77M)

Toshiba Utility = Toshiba Power Saver for Windows XP (v7.01.02; 11-07-2003; 7.01M)

SD = Toshiba SD Memory Boot Utility for Windows XP (v1.0.0; 11-07-2003; 1.34M)

SD = Toshiba SD Memory Card Format Utility for Windows XP/2000 (v2.0.2.1; 11-07-2003; 2.26M)

CD Driver = Toshiba Tablet PC Buttons Driver for Windows XP (v1.0.0.5-RC2; 11-07-2003; 1.09M)

Toshiba Utility = Toshiba Utilities for Windows XP (v4.20.12; 11-07-2003; 2.63M)

LAN Toshiba Utility Wi-Fi = Toshiba Wireless Hotkey Utility for Windows XP (v2.0.0.4a; 11-07-2003; 1.45M)

Display Driver = Windows XP Display Driver for nVidia GeForce FX Go5200 display adapters (v6.14.01.4591; 11-07-2003; 13.02M)

LAN Wi-Fi  = Atheros 802.11a/b/g WiFi driver with Cisco/WPA support for Windows XP/2000 (v2.4.2.14; 11-11-2003; 3.72M)

LAN Wi-Fi  = Atheros WiFi Client Utility with Cisco/WPA Support for Windows XP/2000 (v2.4.2.18; 11-11-2003; 4.66M)

LAN Wi-Fi  = Intel(R) PRO/Wireless LAN 2100 WiFi Driver with Cisco/WPA Support for WinXP (v1.6.0.46; 11-11-2003; 1.18M)

LAN Wi-Fi  = Intel(R) PROSet 802.11b WiFi Client Utility with Cisco/WPA support for WinXP (v7.2.0.0; 11-11-2003; 7.82M)

Driver SD = Toshiba SD Card Driver set for Windows XP (v2.0.4-RC2; 10-03-2003; 403K)

Special = Intel Chipset Software Installation Utility for Windows XP/2000/98SE (v4.30.1006; 10-03-2003; 2.3M)

Driver Modem = Toshiba Software Modem Driver for Windows XP/2000 (v2.1.22; 10-03-2003; 973K)

DVD Driver = Toshiba DVD-RAM Driver Software for Windows XP/2000 (v3.0.8.0a; 09-09-2003; 4.29M)

Toshiba Utility Touchpad = Toshiba Touchpad Disable/Enable Utility for Windows XP/2000 (v2.05.00; 03-24-2003; 1.18M)

Toshiba Utility = Toshiba BIOSInfo.inf for Aggressive C3 Setting for Windows XP (v20030117; 02-13-2003; 322K)

Driver LAN = Toshiba Fast Ether LAN Driver for Windows XP/2000 (v6.4.14; 02-13-2003; 499K)

Toshiba Utility = Windows XP Registry for Aggressive C3 setting (v20021031; 02-13-2003; 317K)

Driver Infrared = Toshiba Fast Infrared Driver for Windows XP/2000 (v5.1.2500.0b-RC2; 02-21-2003; 355K)

DMI Driver = Toshiba TBIOS Driver for Windows XP/2000 (v2.5USB1; 03-05-2002; 262K)