Category: System and Controller
Manufacturer: Adaptec
Caution Level: Intermediate
Download File Size: Unavailable
Operating System: Windows Vista, Windows 2008
Latest Version / Release Date: 2.23 / 06 Jun 2006

Windows device driver information for Adaptec AIC-7895 PCI SCSI Controller

PCI SCSI Controller. Operating System. Windows 95-98-98Se-Me. Windows device driver information for Adaptec AIC-788x PCI SCSI Controller. In computing a host controller is a piece of hardware component that is connected to a host computer system to allow the attachment of other storage and network devices. It is primarily associated with SCSI, eSATA, or Fibre Channel based devices among others. Adaptec's website has only 32-bit drivers for Windows Vista. In Vista x64, the workaround was to install the 'Adaptec AIC-7870 PCI SCSI Controller (Emulated)' driver, but this driver is not included with 7. I searched for this driver on the internet but could not find it. Is it possible to copy the driver from Vista x64 and install it on 7 x64?

The whole family of SCSI chips has been made in a way that they are compliant with the latest industry standards an example being PCI 2.1 as well as plug and play. The company has continued manufacturing products that have been rated as having compatibility, reliability and functionality. Adaptec AIC-7895 PCI SCSI Controller integrates multiple high speed Ultra SCSI channels and PCI bridge functionality in a single chip thus boosting the performance for workstations and all type of servers. The AIC-7895 Dual Channel single chip host adapter offers the expanded connectivity that is necessary to fulfill the mass storage needs of high performance systems that are on growth. AIC-7895 chip helps in the simplification of mother board fabrication and design. It is available in both a 208-pin Plastic Quad Flat Pack (PQFP) package and a 208-pin Ball Grid Array (BGA) package.

Outdated Drivers?

Unless you update your drivers regularly you may face hardware performance issues.

To check your drivers you should manually verify every device on your system for driver updates

Adaptec's ASIC design-In Kit assists to reduce the product development time by offering all the tools that are necessary to easily integrate I/O solutions into the user's system. The Design-In Kit allows the user to evaluate the Adaptec SCSI ASIC being designed in and to test under different operating systems. Users of Adaptec AIC-7895 PCI SCSI Controller are advised to always use the latest version the devise driver as this will assist them to utilize its functions better and easier. Versions that are old are known to cause conflicts of devices as well as errors in scsiadapter work. One should therefore attempt to update the Adaptec AIC-7895 PCI SCSI Controller drivers at least once per every month or even more often. One should also select the right driver for Adaptec AIC-7895 PCI SCSI Controller and also make windows back up every time one wants to update the driver. It is highly recommended you run a free registry scan for Windows and Adaptec AIC-7895 PCI SCSI Controller errors before installing any driver updates.

The Adaptec 78xx series is a legacy PCI SCSI card, and Adaptec has no official 64-bit drivers available through their product support. These drivers are incredibly hard to find in the x64 variety, and they also present an additional challenge to install on Windows 8.1 even if you can magically obtain them. Here’s the solution:

AIC-7870

First download the unofficial Adaptec 78xx series x64 drivers.

AIC-7870

NOTE: The 32-bit (x86) drivers for this legacy PCI SCSI card are difficult to find as well, so they are included in this bundle for convenience. Ignore them if they do not apply to you.

After you have downloaded the unofficial drivers, extract them to somewhere convenient (i.e. Documents or Desktop folder). The drivers have no installer, so we will need to go into Device Manager in order to manually install the drivers.

Adaptec Aic-7870 Pci Scsi Controller (emulated) Driver

NOTE: If you’re trying to install these on Windows 8.1, there’s a big problem we need to resolve first. Windows 8.1 is particularly adamant about not allowing any drivers to be installed that haven’t received the Microsoft official stamp of approval. This isn’t such a bad idea, as maliciously hacked drivers can be very dangerous. Unfortunately, you run into cases like this where the vendor no longer supports their products and then when you try to install a 3rd party driver, Microsoft doesn’t want to let you. Here’s what we need to do:

Adaptec Aic-7870 Pci Scsi Controller Emulated Driver Download

In the charms menu, go to Settings, then Power. Hold down Shift on the keyboard and click “Reboot”. Choose “Troubleshoot”, “Advanced options”, “Startup Settings”, then “Restart”. Your computer will reboot, and present you with a menu letting you select various diagnostic options/modes. Pick “Disable Driver Signature Enforcement”. You will now boot into Windows in a special mode that will let us install our unofficial drivers. So far, so good.

Windows 8.0 / 8.1:
From the desktop, press Win+X on your keyboard and select Device Manager, or type “Device Manager” into the Windows 8.1 Search charm. This will bring you to a list of all the hardware in your computer.

Windows 7:
Click on the Windows 7 Start button. Type the in “devmgmt.msc” into the search box and then hit the Enter key.

Drivers Adaptec AIC-7870 PCI SCSI Controller

Now find the listing for an unknown SCSI storage device (it should have a yellow exclamation mark) and double-click it. Go to Drivers tab, then Update Drivers. Choose “Browse my computer for drivers software”, then Browse again. Locate the folder where you extracted the unofficial drivers and click Next. You will get a warning that the drivers are unsigned. This is normal. Choose to install them anyway. If you go to Device Manager after installation, you’ll notice that the SCSI adapter is now named Adaptec AIC-7870 PCI SCSI Controller (Emulated). This is perfectly normal.

Drivers Adaptec AIC-7870 PCI SCSI controllerSCSI

And there you have it, a working AIC-7870 on Windows x64!!!

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