polarisdino.blogg.se - Prolific (clone) usb cable driver installation for a mac

#Prolific (clone) usb cable driver installation for a mac how to
#Prolific (clone) usb cable driver installation for a mac mac osx
#Prolific (clone) usb cable driver installation for a mac 64 Bit

The question is can I actually get a driver that supports Lion in 64 bit mode for this adapter. I find a post that mentions that because this particular adapter was only supported with the original 32 bit drivers that Lion essentially disabled support because of the default 64 bit subsystem.

#Prolific (clone) usb cable driver installation for a mac mac osx

So, I did some more searching, looking for people having problems getting this working with Mac OSX Lion. However, I did discover a number of posts referring to a company by the name of Prolific having a product that was 100% compatible if not identical to this particular ATEN device. I find out that ATEN has basically disappeared. So I do a quick Google search looking for any info on this product. So, now I know that it is made by ATEN International Co. Vendor ID: 0x0557 (ATEN International Co.

I highlighted it in the USB Device Tree and found this: I drilled into the USB menu option and found the device listed as ‘Composite Device’. That was solved easily enough by plugging it into my Macbook and opening up the ‘About This Mac’ option on the Apple menu and clicking the More Info… button and then the System Report button. The first challenge was that I did not even know the manufacturer or part number of this particular USB Serial adapter. So, I thought I would add a post here covering the details. It took me a few weeks of trial and error and searching around to finally resolve the issue.

#Prolific (clone) usb cable driver installation for a mac how to

So, I was determined to figure out how to get it to work, as I no longer have any physical machines running Windows or with serial ports. I had a VM running Windows XP and I was not able to get it to work properly in that environment either. However, I had tried using it on my Macbook running OSX Lion and noticed that it did not show up in my device list in ZTerm. I have never had an issue using it with Windows machines. All I can say is "It works here.I’ve had this USB Serial adapter for many years which I use to attach to network equipment consoles for initial configuration and setup. A mistake in the editing phase, can cause any kind of trouble or malfunction.

Load the driver: % sudo kextload -v /System/Library/Extensions/ProlificUsbSerial.kextThat's it! As usual, there's no warranty.

Change back the mode of the driver with: % sudo chmod 0555 ProlificUsbSerial.

With a hex editor, open ProlificUsbSerial.

Make the driver writeable: % chmod 0777 ProlificUsbSerial.

Backup the original code with: % cd /System/Library/Extensions/ProlificUsbSerial.kext/Contents/MacOS% sudo cp ProlificUsbSerial ProlificUsbSerial.old.

Unload the driver with: % sudo kextunload /System/Library/Extensions/ProlificUsbSerial.kext.

I found the cause being a rather obvious programming mistake, which can be corrected "the hard way:"

except for a very frequent message on the system log: mach_kernel: ttyioss800000x: dequeueData ret 3mach_kernel: 00000x: dequeueData ret 3(x can be anything)If you use the driver with a 56K modem, you end up with hundreds of messages per minute. The latest version of the MacOS X driver (1.0.6 as I write), works almost flawlessly. The Prolific Tech PL2303 USB to Serial port chip is used in a lot of USB connected serial-like devices, such as GPS, cellular phones and even plain serial to USB cables (for example, the IOGear or the Wiretek devices).