I'm having exactly the same problem with no driver for my multimedia audio controller..my belarc report is:
Windows XP Home Edition Service Pack 2 (build 2600) TOSHIBA Satellite 2450 PS245E-022MY-4B
System Serial Number: 63532762G
Enclosure Type: Notebook
Processor a Main Circuit Board b
2.67 gigahertz Intel Pentium 4
8 kilobyte primary memory cache
512 kilobyte secondary memory cache Board: TOSHIBA Portable PC Version A0
Serial Number: $$C035F083
Bus Clock: 133 megahertz
BIOS: TOSHIBA Version 1.30 03/20/2003
Drives Memory Modules c,d
29.98 Gigabytes Usable Hard Drive Capacity
5.80 Gigabytes Hard Drive Free Space
MATSHITA UJDA740 DVD/CDRW [CD-ROM drive]
TOSHIBA MK3021GAS [Hard drive] (30.00 GB) -- drive 0, s/n 43637157S, rev GA124A, SMART Status: Healthy 512 Megabytes Installed Memory
Slot 'DIMM 0' has 256 MB
Slot 'DIMM 1' has 256 MB
Local Drive Volumes
c: (FAT32 on drive 0) 29.98 GB 5.80 GB free
Network Drives
None detected
Users (mouse over user name for details) Printers
local user accounts last logon
hannah 06/05/2007 23:34:54 (admin)
local system accounts
Administrator never (admin)
ASPNET never
Guest never
HelpAssistant never
SUPPORT_388945a0 never
DISABLED Marks a disabled account; LOCKED OUT Marks a locked account
HP PSC 1400 series on USB001
Controllers Display
Intel(r) 82801DB Ultra ATA Storage Controller-24CB
Primary IDE Channel [Controller]
Secondary IDE Channel [Controller] NVIDIA GeForce4 420 Go (Toshiba) [Display adapter]
Default Monitor (2x)
Toshiba rnal Panel [Monitor] (15.2"vis)
Bus Adapters Multimedia
Toshiba ToPIC100 CardBus Controller (2x)
Intel(r) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CD
Intel(r) 82801DB/DBM USB Universal Host Controller - 24C2
Intel(r) 82801DB/DBM USB Universal Host Controller - 24C4
Intel(r) 82801DB/DBM USB Universal Host Controller - 24C7 None detected
Communications Other Devices
TOSHIBA Software Modem AMR
1394 Net Adapter
Realtek RTL8139/810x Family Fast Ethernet NIC
primary Auto IP Address: 82.33.97.107 / 21
Gateway: 82.33.96.1
Dhcp Server: 62.30.64.114
Physical Address: 00:08:0D:B2
3:3A
Networking Dns Servers: 62.31.176.39
194.117.134.19
195.188.53.175
Texas Instruments OHCI Compliant IEEE 1394 Host Controller
Microsoft AC Adapter
Microsoft ACPI-Compliant Control Method Battery
Radialpoint Filter (RPS-12798)
HP PSC 1400
SMC IrCC - Fast Infrared Port(IR module:HP)
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
PS/2 Compatible Mouse
TOSHIBA SD Card Controller Type-A
Toshiba ACPI-Compliant Value Added Logical Device
Toshiba Value Added Logical and General Purpose Device
HP PSC 1400 series (DOT4USB)
USB Composite Device
USB Printing Support
USB Root Hub (4x)
Please help!!!