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Initial Power-Up:

After a final visual check to verify all connections are proper, boot the Mac. It will usually take slightly longer to boot this time, as the system has to find the new PCI scsi card. If nothing happens after a minute or so, power off and recheck the following:

  • SCSI cable connections at drives and controller fully seated?
  • Is PCI card fully seated?
  • Are drive power connections tight?

If all these checks appear ok, try starting and Zapping the Pram (hold down the Apple + Option + P + R keys at powerup, and keep them held down until you hear the startup "bong" 3 times). If you do Zap the Pram, remember to reset your Date and Time, Memory, and other control panel settings that were reset to default values.

After you've verified that the new card is working fine, reinstall the case/cover.

Installing Software:

Now that all the hardware is installed and working properly, we need to install the controller software. Insert Floppy Disk 1 and double click on the disk icon.

Always check the "Read Me First" file for important information before installing the software.

Atto Disk 1 contents
ATTO Disk 1 Contents

Double-Click the Pro-Tools installer icon, and you will be presented with the following installer window:

ATTO Software install ( 5K )
ATTO Installer

To install, simply drag the ATTO icon from the left side to the boot Disk on the right side. This installs the ATTO extension in the current boot disk's system folder and creates an ATTO folder on that drive with the ATTO Tools application.


Insert disk 2 of the ATTO floppy disk set, which contains the ATTO diagnostics and bios file. Double-clicking on the disk icon will show you the following contents:

ATTO Disk 2 contents
ATTO Disk 2 Contents

Drag all the disk contents except the Express Pro Updater to the ATTO folder that was just created on the boot disk. You don't need the Pro Updater as this card is not the Pro version. For now, you need not concern yourself with these utilities. Refer to the manual for their use should you later need to update your bios or run diagnostics on the controller/drive.

The installation is now complete. I do not show the excellent ATTO Tools utility as it was not needed to configure the drive or controller. A nice feature of the application however is a benchmarking utility. Selecting a drive volume, then selecting the "benchmark volume" menu item will run read and write performance tests on the drive.

For those with video capture cards, consult the manual on how to use the Tools application to adjust the PCI operation of the card to select modes of operation that are optimized for these types of cards and applications.


If you'd like to see some results of tests run with MacBench 4.0 and FWB's Hard Disk Toolkit on the Cheetah drive, take a look at the benchmarks page.

For Photoshop and Finder disk tests - see the Cheetah Apps tests page.


Curious about Performance?
Show me the Benchmark Scores!

No, take me back Home.


Index of Cheetah Upgrade Pages

Intro | Instl. Overview | Drive Install | Card Install | Software instl.

= Benchmark Results =     = Photoshop Results =

= or =
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Previous Upgrade Tutorials:
8500 Owners may also want to review a previous tutorial on Upgrading L2 Cache. Also useful for memory upgrades on the 8500 and 9500 as the process of removing the motherboard is required for memory upgrades as well.


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