Serial Port Baud Rate

Parallel Port

Transfer Speed

PCIE bus convert to Quad UARTs and printer/

parallel port, can be expanded to 8~28 UARTs by adding CH438 chips.

PCIE bus convert to Dual UARTs and printer/

parallel port

PCI bus convert to 16 UARTs

PCI bus convert to Octal UARTs, or Quad

UARTs and printer/ parallel port

PCI bus convert to Quad UARTs

and printer/ parallel port, can be expanded to 6 or 8 UARTs by adding CH432 chips.

PCI bus convert to Quad UARTs

PCI bus convert to Dual UARTs and printer/

parallel port, can be expanded to Quad UARTs by adding CH432 chips.

PCI bus convert to Dual UARTs, or single UART and printer/ parallel port

PCI bus convert to Dual UARTs, or printer/

parallel port

Parallel Port

PCIE based universal interface chip, supports I/O and memory

mapping, extended ROM and interrupts, interface conversion.

-bit

PCIE based universal interface chip, supports I/O mapping,

extended ROM and interrupts, interface conversion.

-bit

PCIE based dedicated chip for extend ROM control card, provides  Flash-ROM, supports two-wire serial port communication and

I/O expansion, dedicated to system recovery card, network

isolation card, security control card, etc.

PCI based universal interface chip，supports I/O and memory

read and write， interrupts, interface conversion.

-bit

PCI based dedicated chip for extend ROM control card, provides

Flash-ROM, supports two-wire serial port communication and I/O expansion, dedicated to system recovery card, network isolation

card, security control card, etc.