| Adaptec 2940UW SCSI Upgrade Tutorial - Overview
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Summary of Steps Involved:
(This example uses an existing installed std SCSI Hard Disk)
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- Remove the case cover.
- Touch the power supply metal case to discharge any static charge you have.
- Locate a free PCI slot, and remove the PCI slot external cover.
- If you want to connect your existing Mac drives to the 2940UW card:
- Remove the SCSI cable at the motherboard SCSI connector and then attach it to the the 2940UW card. It is usually easier to remove the SCSI cable at the motherboard connector and then attach it to the the 2940UW card. On Apple towers, the routing of the SCSI cable goes up to the top rear of the motherboard/case - under the speaker housing. You'll need to press the release tab and lift the speaker housing up to remove the cable for attaching that end to the 2940UW.
- If adding a new drive:
(I'll cover this in detail in the next installment)
- Configure the SCSI ID on the drive (it must not be the same ID as any other
SCSI disk on the same cable) and set the termination jumper (terminated if it's the last drive on the cable).
- The Drive will need partitioning and formatting in most cases (as the drive vendor, ProDirect and Other World Computing drives often come preformatted).
- Attach the supplied ribbon cable to the 2940UW connector.
- Carefully insert the 2940UW PCI SCSI card into that PCI slot.
- Route the SCSI ribbon cable back to the 2940UW card and attach it.
- Boot the Mac and install the 2940UW Control software.
- After verifying all is well, replace the case cover.
For a very detailed and complete list of steps involved, click here.
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| Tools Required:
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- Anti-Static Wrist Strap (avail. at Radio Shack, etc.).
- Screwdrivers (philips head for PTP use, straight blade for Apple case screws).
Ensure you touch the Mac's power supply metal case before
touching any cards or components. Avoid touching the contact
areas of the PCI card (gold fingers) or any IC/Chip metal pins.
Handling the card by the bracket and/or edge is a
good habit.
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| Adaptec 2940UW Kit contents:
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- 2940UW PCI SCSI card
- Wide & Narrow SCSI cables
- Installation Manual
- Control Software and Bios file
- External Wide to Narrow SCSI Adapter
(to use narrow external scsi devices attached to the 2940UW external port)
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 ( 2940UW Plus kit shown)
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The "Plus" kit is pictured, which also contains a copy of REMUS Lite RAID software,
to allow striping and redundant disk arrays to be used. Striping is the
highest performance as it treats two or more drives as a single volume, but is
the riskiest. Mirroring writes duplicate data to another disk automatically, called
redundancy.) RAID stands for Redundant Array of Inexpensive Disks (original definition). For a complete description of all RAID configurations, see Adaptec's RAID page
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A Few Words on Static Precautions:
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The greatest risk you run during this or any procedure involving the
electronic devices of your Mac is static discharge. It is essential that
you attach a static wrist strap to the Mac before touching, removing or
inserting any electronic components. Even in cases were static discharge does
not destroy a component, it can shorten the life of the device.
Make it a habit of always touching the metal power supply
case before touching anything else in your Mac.
Once you attach the wrist strap
to yourself, attach the other end to the metal power supply housing (in the case of the
typical disposable straps, there is a adhesive coated
copper strip for this purpose) or in the case of the permanent wrist
straps, to a metal portion of the Mac's case or power supply housing. This connection ensures that your Mac and you are at the same potential (identical voltage levels).
I always leave the Mac power cord attached, but in reality it does not matter as
long as you and the Mac are at the same potential. I also use a large anti-static
plastic floor mat at the workstation. These mats are a good protective measure
during daily use and cost as little as $15 at Sam's clubs and similar outlets.
Now you know all the steps involved and what's containted in the kit. Once you've ensured that you are properly grounded with a wrist strap, we can proceed to the
next step.
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Ready for More?
Yes - On to the next Page!
No, take me back Home.
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Index of SCSI Controller Installation Pages
Intro | Overview | System Prep | Installing the Card | Software instl.= Detailed List of Steps =
= or =
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