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Alpha Microsystems AM-212-20 Installation Instructions Manual

Scsi 3-1/2” floppy diskette drive
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Floppy Diskette Drive
Installation Instructions
AM-212-20
SCSI 3-1/2"
PDI-00212-20, Rev. A01

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Summary of Contents for Alpha Microsystems AM-212-20

  • Page 1 0,&526<67(06 0,&526<67(06 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ 0,&526<67(06 0,&526<67(06 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ 0,&526<67(06 0,&526<67(06 AM-212-20 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ SCSI 3-1/2” 0,&526<67(06 0,&526<67(06 Floppy Diskette Drive 5,*+7 )520 7+( 67$57 $/3+$ $/3+$ Installation Instructions 0,&526<67(06...
  • Page 2 FIRST EDITION: January 1999 To re-order this document, request part number PDI-00212-20 FCC Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 3: Table Of Contents

    Adding the Device Driver to System Memory Testing the initialization file Formatting and initializing a diskette. Using your diskette drive. Booting from the AM-212-20 diskette. List of Figures Figure 1 - AM-212-20 SCSI Floppy Drive Jumper Configuration PDI-00212-20, Rev. A01...

  • Page 5: Introduction

    The AM-212-20 has the same environmental specifications as your computer. Operational specifications are contained in the documentation that accompanied your computer system. TOOLS REQUIRED For most installations, the only tool you will need to install the AM-212-20 is a #2 Phillips-head screwdriver. PDI-00212-20-00, Rev. A01...

  • Page 6: Preparing The Am-212-20 For Installation

    Each SCSI device attached to the SCSI bus must be set to a unique address. Two SCSI devices cannot share the same address. The AM-212-20 is a SCSI-1 device, and can be set to any SCSI ID from 0 through 6. Figure 1 shows the standard jumper settings for SCSI ID = 5, which is the standard SCSI address for the AM-212-20.

  • Page 7: Scsi Bus Termination

    Installation Instructions: AM-212-20 3-1/2" Floppy Diskette Drive Page 3 SCSI BUS TERMINATION To function properly, the SCSI bus on your computer must be terminated at each end. The SCSI controller on the system CPU board terminates one end of the bus; the opposite end of the bus can be terminated in one of two ways: 1) using the preferred method—an external terminator, or 2) installing on-...

  • Page 8: Installing The Am-212-20

    The AM-212-20 must be installed in one of the three 5-1/4” mounting bays at the top and front of your computer system chassis. Before proceeding with the installation, make sure all jumper settings are installed per the previous section, and orient the floppy diskette drive so that the SCSI connector and jumper blocks are facing upwards.
  • Page 9 Installation Instructions: AM-212-20 3-1/2" Floppy Diskette Drive Page 5 Diskette Format Suggested Drive Name AMOS 720KB AMD: AMOS 1.44MB AMH: PC 720KB PCD: PC 1.44MB PCH: AM-SCSI 720KB FLD: AM-SCSI 1.44MB FLH: The name of the generic driver file is system dependent and corresponds to the name used for your generic SCSI disk driver.

  • Page 10: Modifying The System Initialization Command File

    Page 6 Installation Instructions: AM-212-20 3-1/2" Floppy Diskette Drive Modifying the System Initialization Command File In order to use your diskette drive, you must define it in the system initialization file. First use the COPY command to make a copy of your current system initialization command file, calling it TEST.INI...

  • Page 11: Adding The Device Driver To System Memory

    AM-SCSI 720KB AM-SCSI 1.44MB Adding the Device Driver to System Memory You must load the driver into system memory. For the AM-212-20 diskette drivers you must also specify the diskette format and density on the SYSTEM command line. Failure to specify this information will cause the driver to use the default values for a high density (1.44MB) native AM-SCSI format diskette.

  • Page 12: Testing The Initialization File

    The AM-212-20 diskette drivers require the SCSI dispatcher for your system. Your system initialization file probably already loads and initializes the appropriate dispatcher, and therefore should not require changing when adding the AM-212-20 to your system. There should be a line similar to: SCZDSP SCZ138 /arguments ;SCSI dispatcher for AM-450...

  • Page 13: Using Your Diskette Drive

    DOS floppy diskette commands: DOSDR, DOSTYP, DOSIMP, DOSEXP, DOSMKD, DOSDEL, DOSRMD . See the AMOS COMMAND REFERENCE MANUAL for descriptions of these commands. Booting from the AM-212-20 diskette Booting from the AM-212-20 diskette drive is not supported. PDI-00212-20-00, Rev. A01...
  • Page 15 To run FMSFLP you must be logged into the System Operator’s Account. To run FMSFLP, your computer must support the AM-212-20 floppy disk drive. You must have a SCSI dispatcher installed, and have an AM-212-20 diskette drive attached to the SCSI bus contained in your computer.
  • Page 16 SELECT DRIVE Selects drive to use in the operations listed below. REASSIGN BLOCKS The AM-212-20 does not support this function. REWRITE HIDDEN SECTOR Re-initializes the media’s hidden sector. If the hidden sector becomes corrupted, you may use this command to restore it without destroying any user data (assuming the hidden sector is initialized as it was before it became corrupted).
  • Page 17 • Cylinders, heads, and sectors per track. These are calculated values; they don’t reflect the physical structure of the drive. AMOS formatted media does not have the information available to display the logical information. LIST DEFECTS The AM-212-20 floppy diskette drive does not support this feature. System Commands Reference Manual, Rev. 09...
  • Page 18 FMSFLP Page 4 INITIALIZE MEDIA Same as the format option described above, except that it doesn’t format the media before writing the logical drive information. If the diskette’s formatting is OK, use this option instead of format. This will save you time.

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