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CHAPTER 1 The PCCOM PCI bus 8 port adapter is an 32 bits
PCI bus board with Plug and Play (PnP) features, it provides
eight asynchronous
serial communication The PCCOM PCI bus 8 port adapter is particularly
suited to facilitate the connection of terminals (VDUs) in
multi-user operating systems. The PCCOM board may be installed
in any Pentium or hardware compatible systems. The PnP features
let hardware configuration for IRQ and I/O address is detected by BIOS
automatically, you don¡¦t need set switch and jumper. Since most of the computer has its own COM1 and COM2, the
PCCOMPCI bus 8 port adapter can be configured from COM4.
On board ST16C554
chip provides four 16550 functions which contains 16 bytes FIFO buffer
for each 16550 ports. There are two kinds of mode can be choose one is
normal speed mode that its baud rate up to 115200, another is high speed
mode that baud rate up to 460K.
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