5-10
Chapter 5: BIOS Setup configuration
ECP.
This mode uses data compression which allows
the parallel port to operate in a bidirectional mode and at
a speed higher than the maximum data transfer rate.
If you change the mode of a parallel port on an adapter card,
you might need to make changes to the port’s adapter card
and its software. See the user’s guide or online
documentation that came with the adapter card.
ECP DMA channel
This item becomes active only if you select ECP as the
operation mode. It allows you to select DMA channel 1 or
DMA channel 3 depending on the available system
resource.
Onboard floppy disk controller
This parameter allows you to enable or disable the onboard
floppy disk controller. When set to Enabled, which is the
default setting, the controller enables the diskette drive in
your computer. When set to Disabled, the controller
deactivates the drive and simultaneously frees IRQ 6 which
is normally assigned to the diskette drive. You may then
assign IRQ 6 to another device.
Onboard IDE primary channel
This parameter allows you to enable or disable the onboard
IDE primary channel controller. Setting this parameter to
Enabled lets you use the primary IDE connector (IDE 1) to
connect up to two IDE drives. Setting it to Disabled
deactivates IDE 1 and frees IRQ 14 for the use of other
devices. The default setting is Enabled.
Onboard IDE secondary channel
This parameter allows you to enable or disable the onboard
IDE secondary channel controller. Setting this parameter to
Enabled lets you use the secondary IDE connector (IDE 2)
to connect up to two IDE drives. Setting it to Disabled
deactivates IDE 2 and frees IRQ 15 for the use of other
devices. The default setting is Enabled.
Onboard PS/2 mouse (IRQ12)
This parameter enables or disables the onboard PS/2
mouse controller. When set to Enabled, which is the default
setting, it allows you to use the onboard PS/2 mouse. When
set to Disabled, it deactivates the mouse and frees IRQ 12
for the use of other devices.
Note:
When you set the Onboard IDE Primary Channel
parameter to Disabled, the Onboard IDE Secondary
Channel parameter turns gray and non-configurable.
v65xahb.book : chap-5.fm Page 10 Friday, January 16, 1998 4:27 PM
Содержание Aptiva Series
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Страница 84: ...6 8 Chapter 6 Preparing to upgrade v65xahb book chap 6 fm Page 8 Friday January 16 1998 4 27 PM...
Страница 108: ...8 8 Chapter 8 Adding and replacing system board components v65xahb book chap 8 fm Page 8 Friday January 16 1998 4 27 PM...
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Страница 134: ...9 24 Chapter 9 Diagnosing and recovering from problems v65xahb book chap 9 fm Page 24 Friday January 16 1998 4 27 PM...
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Страница 158: ...B 16 Appendix B Modem information v65xahb book app b fm Page 16 Friday January 16 1998 4 27 PM...
Страница 160: ...C 2 Appendix C Monitor terminology v65xahb book app c fm Page 2 Friday January 16 1998 4 27 PM...
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