Creating Disk Signatures on Hard Drives with Disk Administrator
If your hard drive has been formatted from some other operating system other than Windows NT 4.0 (i.e.
Windows 95/98, MacOS, Unix, etc), the Session 8 formatter, or is a brand new drive, you will need to
launch Disk Administrator.
To launch Disk Administrator:
- Click on the Start Menu and select Programs>Administrative Tools (Common)>Disk Administrator.
- Disk Signatures will be written to your hard drives if necessary.
Optimizing SCSI drive performance
In order to gain the most performance from your audio SCSI drives, Digidesign recommends that Write and
Read Cache settings be enabled.
AdaptecÕs EZ SCSI application (4.0 or greater) will allow you to enable the Write and
Read cache on your audio drive(s). EZ SCSI is often included with your Adaptec SCSI accelerator or
computer equipped with onboard SCSI ports using the Adaptec SCSI chipset.
- After installing EZ SCSI, launch SCSI Explorer
- Select the DISK CACHE tab
- Under the SCSI DEVICE LIST, select your audio drive
- Under the Write Cache tab, click on the Enable Write Cache button (It may already be enabled)
- Under the Read Cache tab, click on the Enable Read Cache button (It may already be enabled)
- After enabling the Write and Read caches, exit the program
NOTE: Under the INTERROGATOR tab, it is possible to view certain information about your SCSI
drive:
- Model number and firmware revision
- Primary and Grown Defect information (useful in determining the condition of the drive)
- Mode Page parameters -- Although there is no editing allowed, this can provide useful
information about the current parameters on a drive.
The parameters that affect SCSI performance relevant to Pro Tools are:
Caching Page, Disconnect/Reconnect Page, Read/Write Error Recovery Page.
Known Issues and Problems
Installation
The BIOS of some Pentium II & III models have problems updating the PCI configuration when
Digidesign PCI cards have been added. This may result in the system not being able to boot or the
operating system may not be able to assign interrupts correctly. If this condition occurs:
1) check to make sure the MIX cards are receiving 3.3V and 2A.
2) check that your BIOS is setup to handle multiple PCI bridges.
3) contact your computer manufacturer for an update to the BIOS.
A possible workaround for some computers would be to remove all PCI cards from the system (video card
must remain in the system), enter the Setup program of the computer during boot (BIOS setup), set the
BIOS to Default Settings, then reboot the system. Now power down the system, re-install all the PCI cards,
and then power up your system.
Note: After setting the BIOS to its Default setting, it will be necessary to reset some settings that are
required for Pro Tools operation as documented in the Install-O-Rator utility and the Pro Tools Installation
Guide.
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