| IPMTU | MaxMTU for dial-up connections. Recommended is Small, MaxMTU = 576 |
| DefaultRcvWindow | the DefaultRcvWindow must be MaxMSS * multiplier with multiplier between 2 and 8. Recommended is four. |
| DefaultTTL | Default Time To Live. Well, doesn’t it say it all? Default is it set to 32 Recommended is 64. |
| COMBoostTime | The "COMBoostTime" setting affects the time (in milliseconds) the Operating System processes a COM port interrupt. |
| Cachesize | enter cachesize here. Default is zero. Recommended is sixteen. |
| Slownet | Use parameters for dial-up connections. Recommended is not to use it (unchecked). |