
M204 SPECIFICATIONS: Hardware Specifications 165
Hardware Specifications
Network Interfaces
Two PCMCIA Type II interface card slots.
Printer Support
IBM PC compatible parallel interface (Centronics). IEEE 1284-I
compliant.
Female DB25 connectors.
DMA-driven state-machine implementation supports data rates in
excess of 280,000 characters per second.
Figure 6: Parallel Port Timing
Parallel Ports (PRN1,
PRN2)
DATA
-STROBE
-ACK
BUSY
2
4
1
3
4
5
6
8
7
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