Juniper-systems Allegro DOS Manual Manual do Utilizador descarregar pdf (Página 189)

MS-DOS Page 5-29

❏ PC Card Suspend: On or Off

This setting determines whether the PC card remains powered on

when the system is suspended, allowing ATA Flash cards and other I/

O cards to operate in Suspend/Resume mode. If you are using one of

these cards and want to use Suspend/Resume mode, Select “On” for

this setting. For SRAM cards, this can be set to "Off."

❏ CPU Performance: Hyper, High, Medium, Low, Miser

This function sets the 486 processor clock speed for varying levels of

power/performance. When the processor runs faster, it requires more

power and drains the battery more quickly. For maximum time

between battery charges, set this function to the lowest level that still

gives adequate performance for your application. If battery charge is

not a concern, set Performance to “High” or “Hyper.”

❏ Power Manager: On or Off

The Power Manager can help extend battery life by automatically

speeding up and slowing down the 486 processor based on system

activity. Activities include key presses, serial port transfers, and video

updates. The Power Manager should work fine for most applications,

but in some cases it may need to be turned “Off.” For example, for

applications that control their own power management, we

recommend that you set the Power Manager to “Off.”

When the Power Manager is “Off,” the processor runs at the same

speed all the time regardless of activity. The following table gives

clock speeds in MHz for the five performance levels with the Power

Manager “On” or “Off.”

Performance Setting Power Manager On Power Manager Off

Processing/Idle

Hyper 100/4 66

High 66/4 33

Medium 33/2 16

Low 16/1 8

Miser 8/1 2

❖ Note: When alkaline batteries are used, the processor speed is limited to 33

MHz for all settings. When the alkaline batteries are low, the maximum speed

drops to 16 MHz.

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Juniper-systems Allegro DOS Manual Manual do Utilizador Página 189