RAM: 16MB EDO RAM on board

IDE hard disk drive interface: Supports up to two Enhanced IDE devices, auto-detect BIOS

Multi-mode parallel port: Configured to LPT1, LPT2, LPT3 or disabled. Supports SPP/EPP/ECP; D-SUB 25-pin connector (on I/O module)

Serial ports: One serial RS-232 port, one serial RS-232/422/485 port (configurable by DIP switches; please refer to Appendix B).

PS/2 keyboard/mouse connector: Mini-DIN keyboard connector

Watchdog timer: Generates a system reset at a fixed 1.6-second interval. Watchdog timer can be enabled/disabled through software. The Watchdog timer is disabled by default factory setting.

External expansion slot: 104-pin connector, supports up to two cascaded 16-bit PC/104 cards with +5 V and +12 V

Battery: 3 V @ 195 mA Lithium battery for CMOS backup

Chapter 1 General Information

3

Page 13
Image 13
Advantech HMI-640S user manual PS/2 keyboard/mouse connector Mini-DIN keyboard connector