Alpha Microsystems Eagle 100 Specifikace stáhnout pdf (Strana 59)

CHAPTER 5

Initial Operation and Testing

5.1BOOTING THE NEW ROADRUNNER HARDWARE

In order to perform the steps outlined in this section, your disk drive must be properly

configured with a bootable Roadrunner compatible AMOS operating system. If you are

using your existing drive

, the instructions in this section assume that you have already

configured your software based on the previous compatibility guidelines and the

instructions in Appendix C, prior to installing the Roadrunner hardware.

If you installed a new SCSI disk drive that was pre-loaded with a bootable Roadrunner

compatible copy of AMOS, your computer is ready to boot.

However

, some recent

Quantum hard drives have shown a slightly slower spin-up time and occasionally will not

come completely ready prior to execution of the Roadrunner’s boot routine. A simple

remedy to this situation is to set the system boot select switches to

alternate

boot the

SCSI TAPE drive, and

main

boot the SCSI HARD drive. This combination of boot

selection will cause the boot routine to first look for an active tape drive with a valid

warm boot tape installed. After approximately 10 to 15 seconds, if the alternate boot

device is not valid, the boot routine will revert to the main selected boot device and the

system will boot from the hard drive as normal. This method only takes a few seconds

longer to boot, but allows plenty of time for the Quantum drive to come ready prior to

disk access. Additionally, should it ever become necessary to actually warm boot your

computer, you only need to install your warm boot tape and press the reset button!

Refer to your computer Owner’s Manual for boot switch settings.

SCSI drives factory loaded with a bootable Roadrunner compatible AMOS operating

system are configured with the simple dispatcher, SIMRR.SYS. The simple dispatcher is

intended for temporary use only. To configure the high performance SCSI dispatcher,

you must purchase the PIC for the dispatcher from Alpha Micro and configure it as

described in Appendix C.

Turn the computer’s power switch to the on position and your Roadrunner hardware will

start the boot process just as your old CPU board did. If the SCSI dispatcher was not

defined in your system initialization command file prior to turning off the computer and

removing your old CPU board, an error message similiar to the one below will be

displayed on your terminal.

?The SCSI dispatcher must be defined in order to use this driver

PDI-00172-60, Rev. A02

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Alpha Microsystems Eagle 100 Specifikace Strana 59