There are various locations and sources of where the sound drivers for Toshiba Computers are located:

<UL>
<LI>Master Disk Creator utility (preinstalled on system)
<LI>Bundled Backup Applications and Drivers CD-ROM
<LI>Toshiba website <A HREF="http://pcsupport.toshiba.com">http://pcsupport.toshiba.com</A>


<UL>
<P>
Sources differ dependent on the various models.
<STRONG>Note</STRONG>: If your model is not listed, then a sound driver is either not applicable to or available for your system.

<DL>
<BR>
<DT>Toshiba Sound Driver Manufacturers:
<DD>Crystal Sound System (or Crystal Semiconductor)
<BR>ESS Technologies, and Yamaha OPL3SA
<BR>Sound driver software varies between models and series.
<P>
<DT>Master Disk Creator utility (winmdc.exe)
<DD>Master Disk Creator (MDC) is accessed using the Master Disk Creator icon which should be located on your Windows 95 Desktop. MDC is also accessible using the Toshiba Utilities Program Group.
<DL>
<BR>
<DT>Notebooks
<DD>Libretto 50, 70; Portege 300, 6xx; Satellite 1xx, 20x; Satellite Pro 40x, 41x, 42x, 43x; Tecra 500, 510, 700, 710, 720, 730, 740;
<P><DT>Desktops
<DD>Infinia 7130, 7160, 7200
</DL>
<BR>
<DT>Backup Applications and Drivers CD-ROM (access CD-ROM drive through My Computer icon)
<DD>Most current Toshiba Computers include include a Recovery, Reconfiguration, or Configuration Builder CD which provides a backup of the software installed on your Toshiba Computer
<DL>
<BR>
<DT>Notebook
<DD>Libretto 1xx; Satellite 22x, 25xx, 3xx, 40xx; Satellite Pro 44x, 46x, 470, 480, 490; Portege 320, 30xx, 70xx; Tecra 520, 530, 550, 750, 780 8000;
<BR>
<DT>Desktop
<DD>Infinia 7161, 7201, 7202, 7230, 7231, 7260; Equium 7000, 7100
</DL>
</DL>

<DL>
<BR>
<DT>
<DD>
<P>
<DT>Toshiba Website
<DD><A HREF="http://pcsupport.toshiba.com">http://pcsupport.toshiba.com</A>
<DL>
<BR>
<DT>Toshiba BBS and Website Information:
<DD>Further detailed file decriptions are available on the BBS and website.
    Most Sound Drivers available for Toshiba Computers include a README
    file that you may refer to with regards to installation and usage instructions.
</DL>
</DL>

<P> </P>

<TABLE BORDER="1">
<CAPTION>Toshiba Notebook Computers:</CAPTION>
<TR>
<TH>Filename</TH><TH>Description</TH><TH>Applicable Models</TH>
</TR>
<TR>
<TR>
<TD>220SND3X.EXE</TD>
<TD>Windows 3.xx Yamaha Sound Driver version V3.09AUSB1</TD>
<TD>Satellite 220</TD>
</TR>

<TR>
<TD>300SND3X.EXE</TD>
<TD>Windows 3.xx Yamaha Sound Driver version 3.22USB1</TD>
<TD>Portege 300</TD>
</TR>

<TR>
<TD>320SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 3.35MA6 (4.03.2335)</TD>
<TD>Portege 320</TD>
</TR>

<TR>
<TD>440SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 3.20AUSB1</TD>
<TD>Satellite 22x, Satellite Pro 44x, 46x, Portege 300, Tecra 520, 530</TD>
</TR>

<TR>
<TD>440SND3X.EXE</TD>
<TD>Windows 3.xx Yamaha Sound Driver version 3.22USB1</TD>
<TD>Portege 300, Satellite Pro 44x, 460x, Tecra 520, 530</TD>
</TR>

<TR>
<TD>470SNDNT.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.00.4319</TD>
<TD>Satellite 32x, 33x, Satellite Pro 470, 490, Portege 320, Tecra 780</TD>
</TR>

<TR>
<TD>480SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 3.30VNTUSB1</TD>
<TD>Satellite Pro 480</TD>
</TR>

<TR>
<TD>480SND98.EXE</TD>
<TD>Windows 98 Yamaha Sound Driver version 4.05.2338</TD>
<TD>Satellite 220, Satellite Pro 44x, 46x, 470, 480, Portege 660</TD>
</TR>

<TR>
<TD>480NTSND.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.00.4318</TD>
<TD>Satellite 305, 31x, Satellite Pro 480, Tecra 550, 750</TD>
</TR>

<TR>
<TD>490SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version  4.05.2336</TD>
<TD>Satellite Pro 490</TD>
</TR>

<TR>
<TD>490SND98.EXE</TD>
<TD>Windows 98 Yamaha Sound Driver version 4.05.2338-301</TD>
<TD>Satellite Pro 490, Portege 300, 320</TD>
</TR>

<TR>
<TD>550SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 4.03.2335</TD>
<TD>Tecra 550</TD>
</TR>

<TR>
<TD>550SND98.EXE</TD>
<TD>Windows 98 Yamaha Sound Driver version 4.05.2338-401</TD>
<TD>Tecra 520, 530, 550</TD>
</TR>

<TR>
<TD>688NT35.ZIP</TD>
<TD>Windows NT 3.5x/4.0 ESS Sound Driver</TD>
<TD>Satellite T215x, 200, Satellite Pro 40x, 41x, 42x, 43x, Portege 610, 620, Tecra 700</TD>
</TR>

<TR>
<TD>750SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 3.30SC2 (4.03.2330)</TD>
<TD>Tecra 750</TD>
</TR>

<TR>
<TD>750NTSND.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.44.4311</TD>
<TD>Tecra 750</TD>
</TR>

<TR>
<TD>780SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 4.03.2335</TD>
<TD>Tecra 780</TD>
</TR>

<TR>
<TD>780SND98.EXE</TD>
<TD>Windows 98 Yamaha Sound Driver version 4.05.2338</TD>
<TD>Tecra 780</TD>
</TR>

<TR>
<TD>CSWIN95.EXE</TD>
<TD>Windows 95 Crystal CS4232 Sound Driver</TD>
<TD>Portege 650, Tecra 500, 510, 710, 720, 730, 740</TD>
</TR>

<TR>
<TD>CS-NT4.EXE</TD>
<TD>Windows NT 4.0 Crystal CS4232 Sound Driver version WNTR1-51ARC1</TD>
<TD>Equium 6200, 6230, Portege 650, Tecra 500, 510, 710, 720, 730, 740</TD>
</TR>

<TR>
<TD>CSWINNT.EXE</TD>
<TD>Windows NT 3.51/4.0 Crystal Semiconductor CS4232</TD>
<TD>Portege 650, Tecra 500, 510, 710, 720, 730</TD>
</TR>

<TR>
<TD>CSW3115B.EXE</TD>
<TD>Windows 3.xx Crystal CS4232 Sound Driver</TD>
<TD>Portege 650, Tecra 500, 510, 710, 720, 730, 740</TD>
</TR>

<TR>
<TD>ESSDISK1.EXE/ESSDISK2.EXE</TD>
<TD>Windows 3.1x ESS688 Sound Driver</TD>
<TD>Satellite T24xx, 215x, 20x, Satellite Pro 40x, 41x, 42x, 43x, Portege 610, 620, Tecra 700</TD>
</TR>

<TR>
<TD>L100SND9.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 4.03.2327</TD>
<TD>Libretto 100</TD>
</TR>

<TR>
<TD>L100SND8.EXE</TD>
<TD>Windows 98 Yamaha Sound Driver version 4.05.2338-101</TD>
<TD>Libretto 50, 70, 100</TD>
</TR>

<TR>
<TD>L100SNDN.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.00.5320</TD>
<TD>Libretto 100</TD>
</TR>

<TR>
<TD>L110SND9.EXE</TD>
<TD>Windows 95/98 Yamaha Sound Driver version 4.05.2338MNC</TD>
<TD>Libretto 110</TD>
</TR>

<TR>
<TD>L110SNDD.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.00.5322</TD>
<TD>Libretto 110</TD>
</TR>

<TR>
<TD>L50SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 3.05USB1</TD>
<TD>Libretto 50</TD>
</TR>

<TR>
<TD>L70SND95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 3.27M</TD>
<TD>Libretto 70</TD>
</TR>

<TR>
<TD>L70NTSND.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.03.4307</TD>
<TD>Libretto 50, 70</TD>
</TR>

<TR>
<TD>OPL3W95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 2.02</TD>
<TD>Portege 660</TD>
</TR>

<TR>
<TD>OPL3-NT4.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.03.4307</TD>
<TD>Satellite Pro 44x, 46x, Portege 660, Equium 6260, Tecra 520, 530</TD>
</TR>

<TR>
<TD>OPL3W31.EXE</TD>
<TD>Windows 3.xx Yamaha Sound Driver version 2.06</TD>
<TD>Portege 660</TD>
</TR>

<TR>
<TD>P300SNDN.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.03.230</TD>
<TD>Portege 300</TD>
</TR>

<TR>
<TD>P301SND9.EXE</TD>
<TD>Windows 98 Yamaha Sound Driver version 4.05.2338MJR</TD>
<TD>Portege 301x, 302x, Satellite 2515</TD>
</TR>

<TR>
<TD>P702SND9.EXE</TD>
<TD>Windows 95/98 ESS ES1978 Sound Driver version 4.05.0452B</TD>
<TD>Portege 7020</TD>
</TR>

<TR>
<TD>S2500S98.EXE</TD>
<TD>Windows 98 Yamaha Sound Driver version 4.05.2338VCN-RC2</TD>
<TD>Satellite 2500, 2505</TD>
</TR>

<TR>
<TD>S251SPAT.EXE</TD>
<TD>Windows 95/98 Sound Driver Update Patch version 1.1</TD>
<TD>Satellite 2515</TD>
</TR>

<TR>
<TD>S251SNDN.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.00.4322</TD>
<TD>Satellite 2515, 253x, 254x, Portege 301x, 302x</TD>
</TR>

<TR>
<TD>S253SND9.EXE</TD>
<TD>Windows 95/98 Yamaha Sound Driver version 4.05.2342MJR</TD>
<TD>Satellite 253x, 254x</TD>
</TR>

<TR>
<TD>S315SND9.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 4.03.2332</TD>
<TD>Satellite 305, 31x</TD>
</TR>

<TR>
<TD>S320SND9.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 4.05.4335VLCUSB1</TD>
<TD>Satellite 32x</TD>
</TR>

<TR>
<TD>S403SND9.EXE</TD>
<TD>Windows 95/98 ESS ES1978 Sound Driver version 4.05.0440US</TD>
<TD>Satellite 4030, 4060, 4080</TD>
</TR>

<TR>
<TD>S403SNDN.EXE</TD>
<TD>Windows NT 4.0 ESS ES1978 Sound Driver version 4.02.20-RC2</TD>
<TD>Portege 7020, Satellite 4030, 4060, 4080</TD>
</TR>

<TR>
<TD>S4KSNDFX.EXE</TD>
<TD>Windows 9x Audio Quick Fix</TD>
<TD>Satellite 400x, 401x</TD>
</TR>

<TR>
<TD>T8KSND9X.EXE</TD>
<TD>Windows 95/98 Yamaha Sound Driver version 4.06.2343.VCN</TD>
<TD>Portege 7000, 7010, Satellite 400x, 401x, 402x, Tecra 8000</TD>
</TR>

<TR>
<TD>T8KSNDNT.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.00.3322</TD>
<TD>Satellite 400x, 401x, 402x, Portege 7000, 7010, Tecra 8000</TD>
</TR>
</TABLE>

<P> </P>

<TABLE BORDER="1">
<CAPTION>Toshiba Desktop Computers</CAPTION>
<TR>
<TH>Filename</TH><TH>Description</TH><TH>Applicable Models</TH>
</TR>
<TR>
<TD>7231SND9.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 4.03.2322RC1</TD>
<TD>Infinia 7202, 7230, 7231, 7260</TD>
</TR>

<TR>
<TD>CS-NT4.EXE</TD>
<TD>Windows NT 4.0 Crystal CS4232 Sound Driver version WNTR1-51ARC1</TD>
<TD>Equium 6200, 6230, Portege 650, Tecra 500, 510, 710, 720, 730, 740</TD>
</TR>

<TR>
<TD>E100SN9.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 4.03.2336</TD>
<TD>Equium 100</TD>
</TR>

<TR>
<TD>E7000S95.EXE</TD>
<TD>Windows 95 Crystal Sound Driver CS4236B version 4.03.2500</TD>
<TD>Equium 7000</TD>
</TR>

<TR>
<TD>E7000SNT.EXE</TD>
<TD>Windows NT 4.0 Crystal Sound Driver CS4236B version 1.71</TD>
<TD>Equium 7000</TD>
</TR>

<TR>
<TD>E71SND98.EXE</TD>
<TD>Windows 98 Crystal Sound Driver CS4235 version 4.10.3000</TD>
<TD>Equium 7100</TD>
</TR>

<TR>
<TD>E71SNDNT.EXE</TD>
<TD>Windows NT 4.0 Crystal Sound Driver CS4235 version 1.80-RC2</TD>
<TD>Equium 7100</TD>
</TR>

<TR>
<TD>EQ7KSND9.EXE</TD>
<TD>Windows 95 Crystal Sound Driver CS4235 version 4.05.2720D-RC1</TD>
<TD>Equium 7000, 7100</TD>
</TR>

<TR>
<TD>OPL3SA95.EXE</TD>
<TD>Windows 95 Yamaha Sound Driver version 3.02i</TD>
<TD>Infinia 7130, 7160, 7161, 7200, 7201</TD>
</TR>

<TR>
<TD>OPL3-NT4.EXE</TD>
<TD>Windows NT 4.0 Yamaha Sound Driver version 4.03.4307</TD>
<TD>Satellite Pro 44x, 46x, Portege 660, Equium 6260, Tecra 520, 530</TD>
</TR>

<TR>
<TD>SURROUND.EXE</TD>
<TD>Windows 95 Surround Sound Driver version 1.0</TD>
<TD>Infinia 7130, 7160, 7200</TD>
</TR>

<TR>
<TD>V320SND9.EXE</TD>
<TD>Windows 95/98 Aureal Sound Driver AU8808 version 4.06.1186.09</TD>
<TD>TOSHIBA 3200 (value priced)</TD>
</TR>
</TABLE>
<P>
<P>
<P>
<P>

The following are available sound installation/reinstallation instructions:
(<I>Please note that these documents are model(s) specific</I>)
<P>
<UL>
<LI><A HREF="http://kb.toshiba.com/94000091" target="bulletinWindow">Crystal Sound Driver Installation</A>
<LI><A HREF="http://kb.toshiba.com/97050006" target="bulletinWindow">Crystal Sound System Reconfiguration Guide</A>
<LI><A HREF="http://kb.toshiba.com/97050009" target="bulletinWindow">ESS Sound Drivers for Windows NT</A>
<LI><A HREF="http://kb.toshiba.com/97050011" target="bulletinWindow">ESS Sound System- Windows NT Drivers</A>
<LI><A HREF="http://kb.toshiba.com/98050072" target="bulletinWindow">Enhanced CD Automatic Installation of Sound Drivers</A>
<LI><A HREF="http://kb.toshiba.com/97050016" target="bulletinWindow">How to Setup ESS688 Sound in Windows NT 4.0</A>
<LI><A HREF="http://kb.toshiba.com/94000413" target="bulletinWindow">How to Setup Sound in Windows NT 4.0 and ESS688 Sound Card</A>
<LI><A HREF="http://kb.toshiba.com/94000451" target="bulletinWindow">Installing Sound Drivers</A>
<LI><A HREF="http://kb.toshiba.com/94000022" target="bulletinWindow">NT- loading Sound Drivers</A>
<LI><A HREF="http://kb.toshiba.com/94000300" target="bulletinWindow">No sound</A>
<LI><A HREF="http://kb.toshiba.com/94000065" target="bulletinWindow">Reconfiguration of Crystal Sound for 730XCDT only</A>
<LI><A HREF="http://kb.toshiba.com/94000326" target="bulletinWindow">Reinstalling Crystal Sound System on 730XCDT</A>
<LI><A HREF="http://kb.toshiba.com/98050071" target="bulletinWindow">Yamaha Audio Driver Automatic Installation</A>
</UL>