Model-Specific Hardware Details
Many versions of the T20 are in circulation, and several nearly identical machines were made by other manufacturers. Those known to the group are listed below. Each line of the table links to more detail about the model in question.
| Model | Flash | RAM | Part No. | Spare Part No. | Native OS | Details |
| Compaq Evo T20 | 16 Mb | 32 Mb | 238362-001 | 242302-001 | Windows CE 2.12 | Details |
| Compaq Evo T20 | 48 Mb | 64 Mb | 238363-001 | 242303-001 | Windows NT embedded (no PXE) | Details |
| Compaq Evo T20 | 64 Mb | 96 Mb | 238364-001 | 242304-001 | Windows NT embedded (no PXE) | |
| Compaq Evo T20 | 96 Mb | 128 Mb | 238365-001 | 242305-001 | Windows NT embedded (no PXE) | |
| Compaq Evo T20 | 64 Mb | 64 Mb | 291697-001 | 292221-001 | Windows NT embedded (w/ PXE) | |
| Compaq Evo T20 | 128 Mb | 128 Mb | 308789-001 | 306709-001 | Windows NT embedded (w/ PXE) | Details |
| Compaq Evo T20 | 16 Mb | 32 Mb | 291696-001 | 292220-001 | Windows CE.NET | Details |
| Compaq Evo T20 | 32 Mb | 64 Mb | xxxxxx-xxx | 292219-001 | Windows CE.NET | |
| Compaq Evo T20 | 192 Mb | 256 Mb | xxxxxx-xxx | 309247-001 | Windows XP embedded (w/ PXE) | |
| Compaq Evo T20 | 256 Mb | 256 Mb | xxxxxx-xxx | 311580-001 | Windows XP embedded (w/ PXE) | |
| Wyse WT3200LE | 8 Mb | 16 Mb | 901992-02 | xxxxxx-xxx | Windows CE 2.12 | |
| Wyse WT3230LE | 16 Mb | 32 Mb | 902002-02 | xxxxxx-xxx | Windows CE 2.12 | |
| Wyse WT8230LE | 64 Mb | 64 Mb | 901997-02 | xxxxxx-xxx | Windows NT Embedded (no PXE) | |
| Wyse WT8235LE | ??? Mb | ??? Mb | xxxxxx-xxx | xxxxxx-xxx | ?? | Details |
Source for Compaq Evo T20 information:
Compaq Evo Thin Clients T20 - T30 Troubleshooting Guide
Hewlett-Packard main Evo T20 support page: Business Support Center - Compaq Evo Thin Client t20