serial port

I'm having trouble getting a serial port to work in FreeBSD 13.1-RELEASE-p3 GENERIC. I've tried three different configurations. 1) I borrowed a USB-to-RS232 adapter from my employer and it works. It has no brand name or model number printed on it, but FreeBSD detects it just fine: ugen3.2...

Hi, I’m trying to compile the FreeBSD kernel to use COM2 instead of COM1 as the boot console serial port. I’ve got a VirtualBox VM running FreeBSD 13.0-RELEASE and have checked out the FreeBSD source to commit ef1e43df92c6 . I want my FreeBSD kernel to use serial port COM2 (instead of COM1)...

I'm working with a GPS receiver that is visible as a serial device. I have successfully attached it as the source to ntpd, which is the main goal. Now I need to add some sort of state monitoring (I've already written an app that reads GPS stream and displays various quality stats to LCDd). The...

On a FreeBSD 12-RELEASE install with the following in my /boot/loader.conf : boot_multicons="YES" boot_serial="YES" console="comconsole,vidconsole" comconsole_speed="115200" I am unable to see the prompt for entering the FDE passphrase while connected to the serial console from a different...

I am having a hard time understanding serial comms. Researching using the PC Engines APU3 COM2 port and it uses UART TTL signaling. I have it working with a MAX3232-DB9 Level converter PCB being powered by 3.3V. The GPIO pins can also be used for COM ports and they offer way more pins. 8 pins...

Serial Attached SCSI (SAS) has been around for a few years, but there hasn't been much news about them. There aren't that many consumer products out for it either. I believe a SAS interface can run both Serial SCSI and SATA harddisks through the same type of cable. However, a SATA interface is...

Hello, everyone! I have STLab I-472 PCIe 6 port serial card with Moschip MCS9900 and Moschip MCS9922 chips on it, and I'm trying to get it working with FreeBSD 10.3 (amd64, generic kernel). According to what I see in the sources of uart driver both chips are supported by the driver: static...

Is there any simple way of forwarding a serial port over Ethernet? Thanks for ideas!

I'm trying to install 10.3 using FreeBSD-10.3-RELEASE-amd64-memstick.img on a PC Engines APU2C4 embedded system. Install medium is an external USB3 flash drive. I'm trying to install to the system's m-SATA SSD. It's a headless setup, serial port only: all done through from a terminal via a...

Hello I am trying to add a virtual serial port (as a named pipe) on two FreeBSD 10 VMs in workstation. One end, I am keeping it as the server (the one VM which will actually be having the virtual serial port) and the other VM will connect to the other end. MY host is Windows 8.1. However when...