• Do not drop or jar the drive.
• Keep the drive in the protective anti-static container until ready to install.
• Protect the drive from static discharge by wearing a grounded wrist strap.
• Turn off the power to the host system during installation.
• Handle the drive by the edges of the frame.
• Do not apply pressure or attach labels to the circuit board or the top cover of the drive.

What you need

• Phillips screwdriver and four 6-32 UNC drive mounting screws.
• Standard interface cable and SCSI host adapter.
• An unused drive power cable for your new drive.

Multimode Interface

Most new SCSI hard drives are Ultra320, but backwards compatible with Ultra2/3 LVD (80 MB/s or 160 MB/s) devices. Low Voltage Differential (LVD) drives can operate in single-ended (SE) or LVD mode. This multimode capability provides backward compatibility so you can use it with or without an LVD-capable host adapter. The primary benefits of LVD include faster transfer rates, reduced power consumption, increased cable lengths, and improved device connectivity.

Installation Procedures

Setting the Jumpers (see drive label for locations)

Seagate® Hard Drives

Search for your drive model number for drive specific jumper settings.

Maxtor®/Quantum Hard Drives

View the Maxtor and Quantum SCSI jumper diagrams and ID settings.

Default Settings

Please Note: Defaults may vary based on product.

1. SCSI ID – 0 thru 15 for Wide devices. Each device must have a unique SCSI ID.

2. SE I/O – No jumper so the device can multimode (default).

3. Motor Start – Disable motor start (default).

4. Delay Motor Start – Disable Delay motor start (default).

5. Write Protect – Write Protect Off (default).

6. Parity Check – Enable Parity check (default).

7. Terminator Power – Host adapter or other device provides term power (default).

Set the SCSI ID

Each SCSI device must have a unique SCSI ID. Most Seagate SCSI drives come with no jumpers on SCSI ID (SCSI ID = 0). The SCSI host adapter usually uses SCSI ID = 7. If you are installing a Seagate drive model ending in LC, or a Maxtor drive model ending in J and a single digit number (both use 80-pin SCA connector), the host normally sets the ID over the I/O interface.

Configure Termination

Only the devices at each physical end of a SCSI bus need to be terminated. The SCSI host adapter normally will provide termination for the controller end, therefore only terminate the last drive on the end of the cable. LVD drives do not have any provision for onboard termination; therefore, termination for LVD drives must come from another device or from an external terminator. Use only active SE or LVD terminators.

Configure Terminator Power

Active terminators must receive power from some source. The default configuration results in the drive not supplying termination power to the bus. Usually, the host adapter provides term power. Check the user's manual for your host adapter. Drive models ending in LC cannot be configured to provide termination power to the bus.