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Deciphering the various combinations of mainboard series, cpu's and cores in VIA's Mini-ITX lineup can be challenging. The following charts should clarify things a bit.
The first chart compares the VIA mainboard series. These typically differ by their back panel and onboard I/O connectors. The charts lists the mainboard series across the top and the various I/O connectors along the vertical axis. The column marked “Original” was the first EPIA Mini-ITX mainboard from VIA and didn't have a series designation.
| Mainboard Series | Original | M | TC | MII | PD | MS | ML | SP |
|---|
| Back Panel I/O |
| PS2 mouse port | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 |
| PS2 keyboard port | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 |
| RJ-45 lan port | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| Serial port | 1 | 1 | 1 | 1 | 1 |
| 1 | 1 |
| Parallel port | 1 | 1 |
|
| 1 |
| 1 |
|
| USB ports | 2x 1.1 | 2x 2.0 | 2x 2.0 | 2x 2.0 | 4x 2.0 |
| 2x 2.0 | 2x 2.0 |
| 1394 connectors |
|
|
| 1 |
|
|
|
|
| VGA port | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
RCA port
(SPDIF or TV-Out) | 1 | 1 |
| 1 |
|
|
| 1 |
| S-video port | 1 | 1 |
| 1 |
|
|
| 1 |
Audio jacks
line-out, line-in, mic-in | 3 | 3 | 3 | 3 | 3 |
| 3 | 3 |
| DC-in jack |
|
| 1 |
|
|
|
|
|
| CardBus Type I and II |
|
| 1 | 1 |
|
|
|
|
| CompactFlash Slot |
|
| 1 | 1 |
| 1 |
|
|
| Onboard I/O |
| USB connectors | 1 | 1 | 2 | 1 | 1 | 3 | 1 | 3 |
| 1394 connectors |
| 2 |
|
|
|
|
| 1 |
| Serial port connectors |
| 1 | 1 | 1 | 3 | 2 | 1 | 1 |
| Parallel port connector |
|
| 1 | 1 |
|
|
| 1 |
| VIP connector |
|
|
|
|
| 1 |
| 1 |
| Front-panel audio connector |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| CD audio-in connector | 1 | 1 |
| 1 |
| 1 | 1 | 1 |
| FIR connector | 1 | 1 |
| 1 |
| 1 | 1 | 1 |
| CIR connector | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| SIR connector |
|
|
|
| 1 |
|
|
|
| Wake-on-LAN connector |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Fan connector | 2x CPU/Sys | 3x CPU/Sys/Fan3 | 2x CPU/Sys | 3x CPU/Sys/Fan3 | 3x CPU/Sys/Fan3 | 3x CPU/Sys/Fan3 | 3x CPU/Sys/Fan3 | 2x CPU/Sys |
| I2C connector |
|
|
|
|
|
|
| 1 |
| Buzzer | 1 | 1 |
| 1 | 1 | 1 | 1 |
|
| LVDS/TTL module connector |
| 1 | 1 | 1 | 1 | 1 |
| 1 |
| SMBus connector |
| 1 |
|
|
| 1 | 1 |
|
| PS2 mouse connector | 1 |
|
|
|
| 1 |
|
|
| PS2 keyboard connector |
|
|
|
|
| 1 |
|
|
| SPDIF connector |
|
|
|
|
| 1 |
|
|
| Audio pin header |
|
|
|
|
| 1 |
|
|
| +12V power connector |
|
| 1 |
|
|
|
| 1 |
| ATX power connector | Y | Y |
| Y | Y | Y | Y | Y |
|
| * One USB connector provides 2 USB ports. |
