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A. Technical Reference
Specifications
• Bus interface: 32-bit PCI
• Number of ports: 4
• I/O address: Assigned by PCI BIOS
• IRQ: Assigned by PCI BIOS
• Data bits: 5, 6, 7, 8
• Stop bits: 1, 1.5, 2
• Parity: None, even, odd, space, mark
• UART: 4 × 16C550C or compatible
• Speed: 50 bps to 230.4bps
• Connectors: DB44 female
• Data signals: RS-232－TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• Surge protection: ESD Max. 1600V
• Operating temp: 0 to 55℃
• Power Requirement 191 mA max. (+5V)
37 mA max. (+12V)
50 mA max. (-12V)
• Dimensions: 120 × 64.41 mm
PCI
The 32-bit Smartio CP-104UL boards comply with PCI specifications 2.1. Hardware
configuration for IRQ and I/O addresses is automatically assigned by the PCI BIOS. Hence,
you must first plug in the board before installing the software driver.
Unlike ISA slots, different PCI slots in the same PC may have different bus numbers and
device numbers with respect to the PCI specifications. The same PCI board will have
different system configurations if moved to a different PCI slot. This is called slot-sensitive
or slot-dependent, and may apply to PCI slots in PCs with different motherboards, which
might use different device number sets. For example, some use 17, 18, 19, and 20 for
identifying the respective PCI slots, whereas some use 11, 12, 13 and 14.