Digital I/O interface: 4-bit input and 4-bit output
Dimensions: 243.84mm x 243.84mm
Expansion bus: 3 x PCI slots onboard
Hardware monitor: monitor working voltage, CPU and chassis temperature, alarm when the temperature reaches a certain value
I/O interface: 1 x FDD, 6 x USB 2.0, 1 x PS/2 keyboard/mouse interface, 1 x high-speed parallel port (SPP/EPP/ECP support), 10 x RS-232 (Among of them, COM2 supports RS-422/485)