16c95x - Serial Port Driver _hot_

outb(c, UART_PORT + UART_THR); return 0;

In Device Manager, select and point it to the folder containing the .inf file. 16c95x serial port driver

The CPU working harder than necessary to manage data. outb(c, UART_PORT + UART_THR); return 0; In Device

while (!(read_reg(dev->base + UART_LSR) & LSR_TXFIFO_FULL)) if (ringbuf_empty(&dev->tx_ring)) // No more data: disable Tx interrupt uint8_t ier = read_reg(dev->base + UART_IER); write_reg(dev->base + UART_IER, ier & ~IER_THRE); break; UART_PORT + UART_THR)

If you are losing data, the driver’s FIFO settings might be too aggressive. You can often adjust this in Device Manager > Ports (COM & LPT) > [Your Port] > Properties > Advanced . Try lowering the "Receive" and "Transmit" buffers slightly to see if stability improves.

setserial /dev/ttyS0 uart 16C95x fifo 112