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Firmware drivers are drivers used by OpenCore in the UEFI environment. They're mainly required to boot a machine, either by extending OpenCore's patching ability or showing you different types of drives in the OpenCore picker(ie. HFS drives).
Like many Macintosh users, I've wanted to add a second Ethernet to an iBook (iMac, or Mac Mini) to use as a server (or as a replacement for a dead Ethernet built-in). Although USB to Ethernet adaptors are cheap and plentiful, Mac OS X drivers are not. After scouring the web and talking to other Mac developers, I finally found a workable combination. The purpose of this note is to document what works since I haven't seen it widely published anywhere else. I welcome your feedback to help keep this page up-to-date.
The first driver that worked for me was a Pegasus driver for Mac OS X 10.3 (Panther) developed by Daniel Sumorok. Since then I've been collaborating with Daniel to help make more drivers available. We have ported his original Pegasus driver to work on Mac OS X 10.4 (Tiger or later), and developed a USB 2.0 AX8817x driver. All are open source released under a GPL license.
AX8817x devices are fully backward compatible with USB 1.1 host ports and are reasonably priced, so are probably the best option at this time. Pegasus based devices seem to be getting harder to find. Some USB 1.1 devices use the Realtek 8150 or Davicom DM9601 which is not supported by these drivers.
With the announcement of the MacBook Air, Apple began shipping their own USB-to-Ethernet adaptor and driver (AppleUSBEthernet). I understand Apple's USB-to-Ethernet adaptor should work on other Macs running Leopard 10.5.2 or later (Daniel Sumorok has verified this). It can also be used on systems running Mac OS X 10.3.9 or later by installing our latest USBAx8817x driver. Apple's driver is not designed to support 3rd party USB-to-Ethernet adaptors or prevoius OS versions. We have modified our own driver to take precedence over Apple's driver when it is installed, and recognize the Apple USB Ethernet Adaptor.
Download and mount the appropriate driver disk image listed above, run the corresponding installer for Panther or 10.4_or_later, and then restart your system as suggested. The Installer will ask you to authenticate so it can place the corresponding driver in "/System/Library/Extensions/" with the correct file permisions to load as a kernel extension.
Each driver is pre-configured to recognize a handfull of common devices. If your device does not appear to be recognized by the driver, you might have to add it to the Info.plist file, which is located inside the USBPegasusEthernet.kext or USBAx8817x.kext directory. You can use the System Profiler or USBProber tool to find the corresponding Product ID and Vendor ID.
To uninstall the driver, make sure any USB adaptors are disconnected, and then drag the corresponding driver in /System/Library/Extensions/ USBPegaususEthernet.kext or USBAx8817x.kext to the trash. You may need to authenticate that you have administrator privileges.
While other USB-To-Ethernet drivers are reported to be buggy, I haven't encountered any stability problems to date. The adaptor turns off when the computer goes to sleep and comes back on when the computer awakes. It does not support "Wake On LAN" at this time.
Many fellow Mac enthusiasts have written to thank us for these drivers (you're welcome), and some have even asked if they could contribute something to support our on going efforts. While our intent is to make these drivers freely available, we do have expenses and welcome any support. Thanks!
I had a similar problem with Monterey beta 3. When I update from beta 2 to 3, it began to fail booting up. Then, I tried to make clean install in other SSD. Beta 3 could run successfully. I checked kernel extensions. I found one (installed from SATSMARTDriver-0.10.pkg) of USB device drivers killed Monterey beta 3. I couldn't update from Monterey beta 2, and/or Big Sur to Monterey beta 3 because of this USB device driver (kernel extension).I hope next beta version will fix this kernel extension problem, and I can update my current macOS version without clean installing.
DriverGuide maintains an extensive archive of Windows drivers available for free download. We employ a team from around the world which adds hundreds of new drivers to our site every day. How to Install Drivers Once you download your new driver, then you need to install it. To install a driver in Windows, you will need to use a built-in utility called Device Manager. It allows you to see all of the devices recognized by your system, and the drivers associated with them.
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If you could not find the exact driver for your hardware device or you aren't sure which driver is right one, we have a program that will detect your hardware specifications and identify the correct driver for your needs. Please click here to download.
Bluetooth had been on the back burner for a while now, since Apple switched to a new bespoke PCIe interface that apparently no other vendor uses. But all that changed when R picked up the challenge of reverse engineering it! Thankfully, Bluetooth itself is quite simple, since the host to controller interface is largely standardized. Apple made a variant that runs over PCIe, but the higher layers are the same as any other Bluetooth controller. After R put together a userspace proof of concept driver, Sven picked up the work and started writing a proper kernel driver. As of a few days ago, Bluetooth started working!
Good news! A couple months ago, Asahi Lina joined our team and took on the challenge of reverse engineering the M1 GPU hardware interface and writing a driver for it. In this short time, she has already built a prototype driver good enough to run real graphics applications and benchmarks, building on top of the existing Mesa work. The proof of concept uses m1n1 via a USB connection and runs the driver remotely, so it is bottlenecked by USB bandwidth, but she has also demonstrated that the GPU proper renders the GLMark2 phong shaded bunny scene at over 1000FPS, at 1080p resolution. This fully open source stack passes 94% of the dEQP-GLES2 test suite. Not bad!
FreeBSD will take advantage of Physical Address Extensions (PAE)support on CPUs that support this feature. A kernel with thePAE feature enabled will detect memory above 4gigabytes and allow it to be used by the system. This featureplaces constraints on the device drivers and other features ofFreeBSD which may be used; consult the pae(4) manual page for more details.
Most modern laptops (as well as many desktops) use the AdvancedConfiguration and Power Management (ACPI) standard. FreeBSDsupports ACPI via the ACPI Component Architecture referenceimplementation from Intel®, as described in the acpi(4) manual page. The use of ACPI causes instabilities onsome machines and it may be necessary to disable the ACPI driver,which is normally loaded via a kernel module. This may beaccomplished by adding the following line to/boot/device.hints:
The following systems are partially supported by FreeBSD. Inparticular the fiber channel controllers in SBus-based systems arenot supported. However, it is possible to use these with a SCSIcontroller supported by the esp(4) driver (Sun ESP SCSI, Sun FAS Fast-SCSI and Sun FAS366Fast-Wide SCSI controllers).
Where possible, the drivers applicable to each device or classof devices is listed. If the driver in question has a manual pagein the FreeBSD base distribution (most should), it is referencedhere. Information on specific models of supported devices,controllers, etc. can be found in the manual pages.
Note:The device lists in this document are being generated automaticallyfrom FreeBSD manual pages. This means that some devices, which aresupported by multiple drivers, may appear multiple times.
This driver also supports target mode for Fibre Channel cards.This support may be enabled by setting the desired role of the corevia the LSI Logic firmware utility that establishes what roles thecard can take on - no separate compilation is required.
With all supported SCSI controllers, full support is providedfor SCSI-I, SCSI-II, and SCSI-III peripherals, including harddisks, optical disks, tape drives (including DAT, 8mm Exabyte,Mammoth, and DLT), medium changers, processor target devices andCD-ROM drives. WORM devices that support CD-ROM commands aresupported for read-only access by the CD-ROM drivers (such ascd(4)). WORM/CD-R/CD-RW writing support is provided byman:cdrecord(1)], which is a part of the sysutils/cdrtools port in the Ports Collection.
The em(4) driver supports Gigabit Ethernet adapters based on theIntel 82540, 82541ER, 82541PI, 82542, 82543, 82544, 82545, 82546,82546EB, 82546GB, 82547, 82571, 82572, 82573, and 82574 controllerchips:
The mlx5en(4) driver supports 100Gb, 50Gb, 40Gb, 25Gb and 10GbEthernet adapters. ConnectX-4 supports:10/20/25/40/50/56/100Gb/sspeeds. ConnectX-4 LX supports:10/25/40/50Gb/s speeds (and reducedpower consumption) :
The sis(4) driver supports Silicon Integrated Systems SiS 900 andSiS 7016 based Fast Ethernet adapters and embedded controllers, aswell as Fast Ethernet adapters based on the National SemiconductorDP83815 (MacPhyter) and DP83816 chips. Supported adaptersinclude: 2b1af7f3a8