CP210x Macintosh OS X VCP Driver v4 Release Notes
Copyright (C) 2015 Silicon Laboratories, Inc.
This release contains the following components:
* SiLabsUSBDriverDisk.dmg - Image containing the VCP Driver Installer
* ReleaseNotes.txt (this file)
* uninstaller.sh - a bash shell script for removing the driver
Known Issues and Limitations
----------------------------
This release includes the Macintosh OSX driver for the Intel and
PowerPC Platforms versions 10.5, 10.6, 10.7, 10.8, 10.9, and 10.10.
Driver Installation
-------------------
Mount the DMG file and double click on Silicon Labs VCP Driver.
Uninstalling the Driver
-----------------------
To uninstall the driver, run the uninstaller.sh shell script from
a Terminal command prompt.
Release Dates
-------------
CP210x Macintosh OSX VCP Driver 4.x.1 - January 15, 2015
CP210x Macintosh OSX VCP Driver v3.1 - December 6, 2012
CP210x Macintosh OSX Driver Revision History
--------------------------------------------
Version 4.x.2
Added VID/PID for ARKRAY, Inc.
Version 4.x.1
Added VID/PIDs for BodyCap, RTKWARE, and West Mountain Radio
Added uninstaller script to DMG
Installer now runs uninstaller script before executing install - removes
older versions using previous naming scheme
Dropping support for OS X 10.4. If you require OS X 10.4 support,
please install version 3.1 of the VCP driver
Version 4.x.0
Added OSX 10.9 and 10.10 driver support with signed kernel extension
Updated version numbering - 2nd digit represents target OS versions
4.7 - OSX 10.7 and older, 32 bit
4.8 - OSX 10.8 and older, 64 bit
4.10 - OSX 10.9 and 10.10, 64 bit, signed kext
Updated version numbering - 3rd digit represents VID/PID updates.
Customers not needing the new VID/PID do not need to update
drivers for 3rd digit changes.
Installer will now only install the proper matching kernel extension
instead of both the 32 bit and 64 bit versions.
Version 3.1
Added support for CP2108
Version 3.0
Corrected issue where transmission would stop when a 0 length packet was sent
incorrectly on aligned packet boundaries
Version 2.9
Corrected issue with Baud Rates not being set properly if they were greater
than 230400 on PPC or Intel platforms
Corrected an issue where a device might get stuck when coming out of sleep mode
Corrected an issue on PPC where Baud Rates were not getting set properly
Added enhanced support for sleep, now reads state on sleep and writes state on
wake to provide smoother and more stable state transitions
Version 2.7
Corrected issue with initial Stop Bits value
Corrected issue which seen which switching between 32 and 64 bit mode and trying
to use the driver in each mode
Added in a clear stall to be more complete in invalid control transfers
Version 2.6
Corrected all known Kernel Panics for 10.4/5/6 for surprise removal and data
transmission
Corrected an issue with data drop while using XON/XOFF flow control
Corrected RTS/DTR toggling sync issue
Version 2.2
Corrected Kernel Panic in Snow Leopard which would randomly occur after
transmission
Modified DTR pin to toggle on open and close instead of on insertion
Modified driver to load without showing the Network Connection Dialog
Modified driver to allow toggling of RTS and DTR pins
Added 64 bit support for Snow Leopard
Version 2.1
Corrected device strings that were changed in the 2.0 release back to the
format used in pre-2.0 drivers
Version 2.0
Driver architecture updated.
Version 1.06
Corrected a bug which causes a Kernel Panic with a Baud Rate of 0, yileding
a Divide-By-Zero error
Version 1.04
Updated to support newer versions of Mac OSX
Version 1.02
Updated to support the Intel platform through a universal binary that
also supports PowerPC.
Version 1.00
Initial Release
