| Revision | Ram | Flash | Serial | JTag | OpenWRT Support |
| A1 | 16M | – | – | – | Not supported |
| B1/B2 | 64M | 8M | Yes | Yes | Yes |
| C1 | 128M | 16M | Yes | Yes | Yes |
| C2 | 128M | 16M | Yes | Yes | Yes |
| D1 | 64M | 8M | – | – | Not supported |
| E1 | 64M | 8M | Yes | Yes | Not supported |
| G1 | 64M | 8M | Yes | Yes | Not supported |
For more information on how to flash OpenWRT on this router head to its page in the OpenWRT Project.