WXP on Portege R700-1F7 - missing Audio device on high definition audio bus

Recently purchased this laptop, need to downgrade to windows xp, wiped disc, installed fresh copy of win xp sp3 and installed drivers form Toshibas website, however device manager still reporting the driver for
Audio device on high definition audio bus is missing
Tried reinstalling audio and chipset drivers again, tried windows update and driver genius, nothing is resolving driver issue, can anyone let me know what the missing driver is and where I can download it?
Thanks in advance

Hello
I dont have this Portege model but here is WXP install order and please install all stuff following this install order. Maybe this will help you to get working all hardware components and preinstalled software as well. Please post some feedback.
Windows XP SP3
Synaptics Touch Pad Driver 15.0.12
PatchFiles USBKB918005.reg
USB3.0 Driver 1.0.20.1
USB-Serial Driver 1.00.000
Sun Java2 Runtime Environment 1.6.0_20
TOSHIBA Assist 1.03.00_I
TOSHIBA Skins for Media Player 1.00.1121
TOSHIBA Security Assist 1.2.2
Trusted Platform Module 3.60.2071.00
TPM Driver v2.1.1.0
Intel Chipset SW Installation Utility 9.1.1.1024
Intel Management Engine Interface 6.00.40.1215
Intel AMT Software 6.00.40.1215
Intel Display Driver 6.14.10.5258
Realtek Audio Driver 5.10.0.6083
Intel LAN Driver 14.6(IN146AAW7C)
Ricoh Card Reader 2.09.03.01
Wireless LAN
TOSHIBA Common Module V6.07.01
TOSHIBA Web Camera Application V1.1.2.13
Authentec Fingerprint Driver 3.0.1.149
PatchFiles2 DisableFingerprintSelectiveSuspend
Finger_print_restart V1
TOSHIBA Smooth View 2.0.0.25
TOSHIBA PC Diagnostic Tool 3.2.15
TOSHIBA Controls v3.37.4310
TouchPad On_Off Utility 2.5.4.0
Bluetooth Stack for Windows by Toshiba v7.10.14_XP_SE(T)
ConfigFree 5.90.18
TOSHIBA Mobile Extension V3.94.00.XP
TOSHIBA Password Utility V2.01.10
TOSHIBA Utilities 4.30.29
TOSHIBA HDD Protection 2.3.0.1
TOSHIBA HDD_SSD Alert 3.1.0.6
TOSHIBA Hotkey Utility for Display Devices V3.7.0.0
TOSHIBA Display Device Change Utility V3.4.0.0
TPSReg REG
TOSHIBA Power Saver 7.14.00
Timeout15 D15Sec
129 Wireless Hotkey 3.0.0.9
TOSHIBA PC Health Monitor 1.6.2.0
TOSHIBA Sleep Utility 1.4.1.2
TOSHIBA DVD PLAYER V2.50.1.07-A
TOSHIBA Service Station 2.1.40
PatchFiles3 AHCI-IDEREG-1.0-ENG
TOSHIBA Network Device ID Registry Setting Tool 3.0.32.4-7
PatchFiles4 PatchFiles_WOL_1.0.0

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