OK, So this is the third support forum i have posted to since trying to fix my loss of sound on my sony vaio pcg-z1xgp. The sound was working fine until I reinstalled windows xp sp3, please help i have had this problem for months. Thanks
Here is my everest report.
Computer:
Operating System Microsoft Windows XP Home Edition
OS Service Pack Service Pack 3
DirectX 4.09.00.0904 (DirectX 9.0c)

Motherboard:
CPU Type Mobile Intel Pentium M, 1687 MHz (17 x 99)
Motherboard Name Sony Corporation PCG-Z1XGP(I)
Motherboard Chipset Intel Odem i855PM
System Memory 512 MB (DDR SDRAM)
BIOS Type Phoenix (11/21/03)

Display:
Video Adapter ATI Mobility Radeon (Omega 3.8.442) (16 MB)
Video Adapter ATI Mobility Radeon (Omega 3.8.442) (16 MB)
3D Accelerator ATI Mobility Radeon (M6)

Multimedia:
Audio Adapter Intel 82801DBM ICH4-M - AC'97 Audio Controller [B-1]

Storage:
IDE Controller Intel(R) 82801DBM Ultra ATA Storage Controller - 24CA
Disk Drive TOSHIBA MK6021GAS (60 GB, 4200 RPM, Ultra-ATA/100)
Optical Drive MAT****A UJ-812 (DVD-RW:2x/2x, DVD-RAM:2x, DVD-ROM:8x, CD:16x/8x/24x DVD-RW/DVD-RAM)
SMART Hard Disks Status OK

Partitions:
C: (NTFS) 57223 MB (47750 MB free)

Input:
Keyboard Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Mouse PS/2 Compatible Mouse

Network:
Network Adapter Intel(R) PRO/Wireless LAN 2100 3B Mini PCI Adapter (192.168.1.64)
Modem CXT AC-Link Modem for Intel

Peripherals:
Printer HP PSC 750
USB1 Controller Intel 82801DBM ICH4-M - USB Controller [B-1]
USB1 Controller Intel 82801DBM ICH4-M - USB Controller [B-1]
USB1 Controller Intel 82801DBM ICH4-M - USB Controller [B-1]
USB2 Controller Intel 82801DBM ICH4-M - Enhanced USB2 Controller [B-1]
USB Device USB Mass Storage Device
Battery Microsoft AC Adapter
Battery Microsoft ACPI-Compliant Control Method Battery
[ BIOS ]

BIOS Properties:
Vendor Phoenix Technologies LTD
Version R0091G0
Release Date 11/21/2003
Size 1024 KB
Boot Devices Floppy Disk, Hard Disk, CD-ROM
Capabilities Flash BIOS, Shadow BIOS, Selectable Boot, EDD, BBS, Smart Battery
Supported Standards DMI, ACPI, ESCD, PnP
Expansion Capabilities PCI, AGP, PCMCIA, USB

[ System ]

System Properties:
Manufacturer Sony Corporation
Product PCG-Z1XGP(I)
Version 01
Serial Number 28167570-7105796
Universal Unique ID ECFE6C20-4B6511C6-84C10800-46C93273
Wake-Up Type Power Switch

[ Processors / Intel(R) Pentium(R) M processor 1700MHz ]
Cache Properties:
Status Disabled
Associativity 4-way Set-Associative
Maximum Size 0 KB
Installed Size 0 KB
Supported SRAM Type Asynchronous, Burst, Pipeline Burst
Current SRAM Type Burst
Error Correction None
Socket Designation L3 Cache


[ System Slots / PCCARD1 ]

System Slot Properties:
Slot Designation PCCARD1
Type PC Card (PCMCIA)
Usage Empty
Data Bus Width 32-bit

[ Overclock ]

CPU Properties:
CPU Type Mobile Intel Pentium M
CPU Alias Banias
CPU Stepping B1
Engineering Sample No
CPUID CPU Name Intel(R) Pentium(R) M processor 1700MHz
CPUID Revision 00000695h
Core Voltage 1.484 V

CPU Speed:
CPU Clock 1686.85 MHz (original: 1700 MHz)
CPU Multiplier 17.0x
CPU FSB 99.23 MHz (original: 100 MHz)
Memory Bus 132.30 MHz

CPU Cache:
L1 Code Cache 32 KB
L1 Data Cache 32 KB
L2 Cache 1 MB (On-Die, ATC, Full-Speed)

Motherboard Properties:
Motherboard ID <DMI>
Motherboard Name Sony Corporation PCG-Z1XGP(I)

Chipset Properties:
Motherboard Chipset Intel Odem i855PM
Memory Timings 2.5-3-3-6 (CL-RCD-RP-RAS)

BIOS Properties:
System BIOS Date 11/21/03
Video BIOS Date 03/01/21
DMI BIOS Version R0091G0

Graphics Processor Properties:
Video Adapter ATI Mobility Radeon (M6)
GPU Code Name M6 (AGP 4x 1002 / 4C59, Rev 00)
GPU Clock 166 MHz (original: 166 MHz)
Memory Clock 166 MHz (original: 166 MHz)