Table of Contents
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Marathon 420sl
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(ST9420A, ST9420AG)
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AT Interface Drives
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Installation Guide
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Summary of Contents for Seagate Marathon 420sl
- Page 1 ......Marathon 420sl ......
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Page 2: Table Of Contents
©1995 Seagate Technology, Inc. All rights reserved Publication Number: 36305-101, Rev. A August 1995 Seagate, Seagate Technology and the Seagate logo are regis- tered trademarks of Seagate Technology, Inc. SeaFAX, Sea- FONE, SeaBOARD and SeaTDD are trademarks of Seagate Technology, Inc. Other product names are registered trademarks or trademarks of their owners. -
Page 3: Read Before You Begin
If it appears to be damaged, call your distributor or dealer immediately. Maintenance and repair. Seagate drives do not require main- tenance. The head/disc assembly is sealed; if you break the seal, you void the warranty. Seagate customer service centers are the... -
Page 4: Configuring The Drive
Marathon 420sl Installation Guide, August 1995 only facilities authorized to repair Seagate drives. Seagate does not sanction any third-party repair facilities. Warranty. See your authorized Seagate distributor or dealer. Configuring the drive 1. Put on a grounded wrist strap. Wear the grounded wrist strap throughout the installation procedure. - Page 5 Marathon 420sl Installation Guide, August 1995 Master/slave configuration jumpers Pin 1 Pin 20 removed Circuit board for keying Drive is master; slave may be detected using DASP– signal Drive is master; Seagate slave drive present Drive is slave; Seagate master drive present Use CSEL pin grounding to differentiate master from slave Figure 1.
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Page 6: Mounting The Drive
Marathon 420sl Installation Guide, August 1995 1. Turn off the computer and remove the battery. 2. Put on a grounded wrist strap. 3. Open your computer case. See your system manual for instructions. Caution. Opening the case may void your computer’s warranty. -
Page 7: Configuring Your Computer
This procedure is described on the following page. The table below lists cylinder, head and sector information for the Marathon 420sl. No. cylinders No. read/write heads No. - Page 8 Marathon 420sl Installation Guide, August 1995 To enter these drive specifications into your system BIOS, follow these steps: 1. Turn on your computer. 2. Run the system setup program. This program configures the system BIOS to recognize your drive. In some computers you run the system setup program by pressing special keys while the computer is booting up.
- Page 9 The system setup program may request information on the drive’s write precomp or landing zone. However, you do not need to enter any values, since your Seagate drive does not use these parameters. Caution. Write down the drive type that you have selected and any drive specifications that you have entered.
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Page 10: Formatting And Partitioning The Drive
Seagate Technology assumes no liability for lost data. Low-level formatting Seagate ATA Interface drives are low-level formatted at the factory and do not require additional low-level formatting before use. Note. If you are installing only a single drive in your computer, you can use the DOS program SETUP.EXE (supplied with... - Page 11 Marathon 420sl Installation Guide, August 1995 High-level formatting High-level formatting verifies the information written by the low- level format and creates file allocation tables used to catalog and access files. Caution. Make sure that you know the correct drive letter for the partition you wish to format.
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Page 12: Installation Troubleshooting
Marathon 420sl Installation Guide, August 1995 Installation troubleshooting Before calling Seagate Technical Support, please read and con- sider all the possibilities discussed on the following pages. The suggestions presented here address the vast majority of instal- lation problems. General troubleshooting procedures The following is a list of general troubleshooting procedures. - Page 13 Marathon 420sl Installation Guide, August 1995 ing screws. Make sure that full-size (16-bit) cards are not plugged into half-size (8-bit) slots. Verify the BIOS drive type. Make sure that you entered the correct drive type or translation geometry in the BIOS setup program.
- Page 14 Marathon 420sl Installation Guide, August 1995 damage to disc partitions. Also, before installing any new software, scan the installation diskettes for viruses. Specific Troubleshooting Procedures Methods for resolving specific drive installation problems are listed on the following pages. These methods incorporate many of the general troubleshooting techniques described in the pre- vious section.
- Page 15 Marathon 420sl Installation Guide, August 1995 Try a warm boot. Press simultaneously CTRL DELETE to reboot the computer without turning off the power. If a warm boot causes a previously unrecognized drive to become rec- ognized, there may be a timing problem in which the drive fails to become ready before the host completes its power-on self-test.
- Page 16 Marathon 420sl Installation Guide, August 1995 Check for memory conflicts. Check for viruses. During the FDISK program, you get an error message warn- ing of an attempt to write to track 0 or to the boot sector; the message may also suggest that a virus is present.
- Page 17 Marathon 420sl Installation Guide, August 1995 Check the power supply. Reboot the computer and make sure the drive spins up. Verify the BIOS drive type. Check for I/O address conflicts. During high-level formatting, the drive keeps finding hard errors and reporting the following message: “Attempting to recover allocation units.
- Page 18 Marathon 420sl Installation Guide, August 1995 Check for viruses. During operation, the system error message, “Drive not Ready,” appears. Check all cables. Check the power supply. Reboot the computer and make sure the drive spins up.
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Page 19: Compatibility Notes
In accordance with ATA specifications, the system BIOS must reset any emulation/translation parameters after a hard reset. In some configurations, a Marathon 420sl may supply up to 16 bytes of error correction code (ECC) with the Read Long and Write Long commands. Depending on the drive type, your system BIOS may look for 4 bytes of ECC. -
Page 20: Technical Support Services
Your dealer is familiar with system configurations and can help you with system conflicts and other technical issues. If you need additional assistance with your Seagate drive or other Seagate products, you can call SeaBOARD , SeaFAX , Sea- gate Technical Support FAX, SeaFONE , or SeaTDD . Sea- gate technical support is also available on CompuServe and through the internet. - Page 21 (Pacific time), Monday through Friday. A.M. P.M. SeaFONE provides recorded technical information on se- lected Seagate products while you are on hold. You can access these recordings 24 hours daily. Before calling, note your computer configuration and drive model number (ST xxxx ).
- Page 22 Marathon 420sl Installation Guide, August 1995 Seagate’s internet connections Technical information for Seagate drives is available through the internet from Seagate’s World Wide Web home page (http ://www.se agate .com) or Seagate’s ftp server (ftp://ftp.seagate.com). The ftp server contains information...
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Page 23: Storing And Shipping Your Drive
Storing and shipping your drive Keep your original box and packing materials for storing or shipping your drive. The box has a Seagate Approved Package label. Shipping a drive in an unapproved container voids the warranty. Call your authorized Seagate distributor to purchase additional boxes. - Page 24 Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, CA 95066, USA Publication Number: 36305-101, Rev. A, Printed in USA...
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