Key Specifications/Special Features:

486SX-300MHz CPU, 64/128MB DDR2, 16-bit GPIO,

LAN x 1, COM x 4 (RS-232 x 4), WDT, USB2.0 x 4,

PC/104, CF-2, Single +5V, IDE, Parallel; Optional

mini-PCI, RS-232/422/485 x 2 + RS-232/485 x 2,

8MB SPI Flash, uDOC (USB interface DOC)

Specification:

■ Low-Power CPU+System+I/O Chip: 486SX-300 Single chip 
■ BIOS: AMI BIOS & LAN boot ROM on chip
■ DRAM: 64/128MB DDR2 soldered on board
■ USB2.0 x 4: Pin header, UDOC socket
■ 16-bit GPIO: Setup built in BIOS, 3.3V TTL Level
■ 100/10M LAN on chip
■ Optional Realtek 8139DL 100/10M LAN
■ Bus type: PC/104 socket
■ Optional mini-PCI socket
■ Speaker: Buzzer on Board
■ CMOS Backup: Backup by 12887 or equivalent
■ PS/2 Mouse/ Keyboard: 5-pin header
■ IDE Port x 1: support up to 2 x IDE devices
■ Parallel Port: One bi-directional SPP/EPP/ECP
■ CompactFlash I / II Socket: CF-II socket for IDE Flash Disk, or, IBM 1.8” MicroDrive 340MB/1GB HDD 
■ Optional 8MB SPI Flash
■ Optional uDOC: pin header for USB DOC
■ COM x 4: Selectable factory setting RS-232 x 4, or RS-232 x 2 + RS-422 x 2, or RS-485 x 4, or RS-232 x 2 + RS-485 x 2 or other (COM1,2: RS-232/485, COM3,4: RS-232/422/485)
■ I/O setup built in BIOS
■ Watchdog Timer: Programmable 1 ~ 512 sec.
■ Miscellaneous Connectors/Jumpers: Reset, HDD LED, Speaker, 2-pin power connector 
■ Power Requirement: Single +5V by 2-pin power connector
■ Dimension: 96mm x 91mm PC/104 mechanical
■ Operating Temperature: -10℃ ~ +70℃

■ Operating Temperature: 0 to 60℃ (140℉)