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APPENDIX A

CONFIGURING AMOS SCSI DISK

DRIVES

A.1BOOTING FROM A SCSI DRIVE (AMOS ONLY)

This section describes the process of making your new SCSI drive bootable. Your

drive was formatted by Alpha Micro prior to shipment, therefore the procedure for

formatting the drive is not discussed. However, the SCSI drive format program,

FMTSCZ, is described in detail in Alpha Micro’s

System Commands Reference

Manual

A.1.1Loading the Software

The first step towards making your SCSI drive bootable is to download the operating

system. The easiest way to download the software is to create a bootable VCR tape.

If your system has an optional floppy disk drive, this is also a good way to transfer

software onto your new drive.

Bootable VCR Tape:

In the illustrations showing the SCSI disk drive jumper configurations, there is a table

showing the number of logicals and the bitmap size for each drive. Although the

bitmap size is not used when configuring the system initialization command file, the

bitmap size is needed when making a bootable WRMGEN file. You can use this

information to make a WARMBOOT tape for loading software on your new SCSI drive.

For example, let’s say you are replacing your 40MB drive with a larger capacity 80MB

SCSI disk drive with three logicals. Let’s also assume the 40MB drive is still

operational. To create a WARMBOOT monitor that is compatible with your new 80MB

drive, follow the steps outlined below:

LOG SYS:

RETURN

WRMGEN 80MB.WRM

RETURN

Input monitor name: AMOSL.MON

RETURN

PDI-00436-20, Rev. A15

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Alpha Microsystems SCSI Spécifications Page 21