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IDE PIO
IDE ha rd drive controllers ca n support up to two sepa ra te ha rd drives. These
drives ha ve a ma ster/sla ve rela tionship which a re determined by the ca bling
configura tion used to a tta ch them to the controller. Your system supports two
IDE controllers--a prima ry a nd a seconda ry--so you ha ve to a bility to insta ll up to
four sepa ra te ha rd disks.
PIO mea ns Progra mmed Input/ Output. Ra ther tha n ha ve the BIOS issue a series
of comma nds to effect a tra nsfer to or from the disk drive, PIO a llows the BIOS
to tell the controller wha t it wa nts a nd then let the controller a nd the CPU perform
the complete ta sk by themselves. This simpler a nd more efficient (a nd fa ster).
Your system supports five modes, numbered from 0 (defa ult) to 4, which
prima rily differ in timing. When
Auto
is selected, the BIOS will select the best
a va ila ble mode. This is true for the next four setup items:
1.
IDE Prima ry Ma ster PIO
2.
IDE Prima ry Sla ve PIO
3.
IDE Seconda ry Ma ster PIO
4.
IDE Seconda ry Sla ve PIO
As sta ted a bove, your system includes two built-in IDE controllers, both of which
opera te on the PCI bus. This setup item a llows you either to ena ble or disa ble the
prima ry controller. You might choose to disa ble the controller if you were to a dd
a higher performa nce or specia lized controller.
Ena bled
Prima ry HDD controller used -- Defa ult
Disa bled
Prima ry HDD controller not used.
On-Chip Primary
PCI IDE
Summary of Contents for P55TU
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