Starting The System - Texas Instruments PHP1240 Manual

Disk memory system
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Starting the System

After the Controller Card has been Inserted Into the Peripheral Expansion System unit
and the drives have been connected. plug the power cords Into your electrical wall
outlets. Next. turn on the power switches on the backs of your external disk drives (If
any) and then the switch on the front of the peripheral system unit.
turn on the peripheral system. the Internal disk drive is automatically turned on.
When you turn on the console. the disk drives' working lights may come on briefly and
then go off. If they stay on. the disk drive cable is probably plugged in upside down.
Turn off all units and make sure that the disk drive cable connections have been made
properly.
14
Each time you operate your computer/disk system.
follow this power-up sequence:
1 . Turn on the external disk drives.
2. Turn on the Peripheral Expansion System unit.
3. Then turn on the monitor and computer console.
For proper memory allocation by the computer. the
Peripheral Expansion System must be ON when the
computer console is switched on. Otherwise. the
disk drives. Controller Card. and Disk Manager
module will not function correctly. The computer
console must be turned off and turned back on in
order to restore normal operation.
WARNING
Note:
When you

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