Aaeon PCM-4894 User Manual page 11

4 TTL Digital Input bits & 4 Open Collector Digital Output bits.
(Port address : 294H, Bit : 0, 1, 2, 3)
PC/104 connector: 104 pin connector for a 16 bit bus expan-
sion. One PCI/ISA bus slot.
Power supply voltage: +5V (4.75V to 5.25V)
Max. power requirements: +5V @ 4A
Operating temperature: 32 to 140° F (0 to 60° C)
Board Size: 8"(L) x 5.75"(W) (203mm x 146mm)
Weight: 1.32 lb. (0.6 Kg)
Chapter 1 General Information 5