| CPU | Intel® N270 Atom processor, 1.6GHz |
| CPU Front Side Bus | 533MHz |
| Chipset | Intel® 945GSE + ICH7M |
| BIOS | ACPI Award 2Mbit Flash BIOS |
| System Memory | One DDR2 SODIMM socket, single channel Supports up to 1GB DDR2 400/533/667 SDRAM |
| PATA IDE Interface | Intel® ICH7M built-in one chnnel UDMA 33/66/100 for HDDs, CF or DOM on ETX carrier board Secondary IDE (reserved) JMicron JM368 (PCI-e to IDE) for secondary IDE |
| USB | Intel® ICH7M built-in USB 2.0 host controller supports 4 ports |
| SATA | Intel® ICH7M built-in SATA controller supports 2 ports |
| LPC I/O | Winbond W83627EHG 2x COM, Hardware monitoring |
| Parallel Port (on base board) | One parallel port supports SPP/EPP/ECP |
| Serial Ports (on base board) | One RS-232, one RS-232/422/485 |
| PCI to ISA Bridge | ITE IT8888G (slave ISA only) |
| ETX Interface (Connector to Carrier Board) | >Hirose FX8-100P-SV ETX connector x4 for PCI bus, USB, audio, VGA/CRT, LVDS, LAN, COM ports, parallel port, IDE, PS/2 keyboard/mouse & ISA bus |
| Built-in VGA Function | >Intel® Graphics Media Accelerator (GMA) 950, supports CRT display · DVI Chrontel CH7308 Supports 24-bit dual channel LVDS display |
| Built-in Audio Function | Built-in Intel® High Definition Audio ALC662 HDA Codec |
| Ethernet Function | Intel® ICH7M 10/100 BaseT Ethernet |
| Form Factor | ETX form factor |
| Dimensions | 95mm x 114mm (3.5" x 4.49") |
| Power Requirement | +5V: 5A (for ET820-400, ET820-500) · +5V: 10A (Maximum) |
| Relative Humidity | 10%~90% (non-condensing) |
