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SUPER P4SCT/P4SCT+/P4SCT+II User's Manual
ATA Operate Mode
You can select from the following two modes: Combined Mode and En-
hanced Mode.
Combined Mode:
In this mode, system BIOS assigns the traditional IRQ 14 and IRQ 15 for the
use of HDD. Up to 4 ATA devices are supported by this mode.
Within the Combined Mode, the following three modes are supported:
*Non-Combined Mode: Parallel ATA only:with the maximum of 4 devices
supported;
*Non-Combined Mode: Serial ATA only:with the maximum of 2 devices
supported;
*Combined Mode: SATA devices and PATA: with the support of 2 devices
each (total: 4 devices maximum). (For IDE/SATA configurations, please refer
to the table below.)
Primary Master(=PM) Yes Yes No No No No
Primary Slave(=PS) Yes No Yes No No No
Secondary Master(=SM) Yes No No Yes No No
Secondary Slave(=SS) Yes No No No Yes No
SATA Port0 No SM SM PM PM PM
SATA Port1 No SS SS PS PS PS
*Note: (No=Not Present, Yes=Present) Also, if Logical Primary is
selected, the IDE channels are no longer available.
Enhanced Mode:
In this mode, system BIOS will automatically search for all available IRQs for
the use of HDD. For newer Operating Systems that support the Enhanced
Mode, such as Windows XP, Windows 2000, and Windows 2003, you can
set SATA and PATA to the Enhanced Mode. (*The newer Operating
Systems can accommodate both Enhanced Mode and Combined Mode and
support up to 6 ATA devices.)
(*Please refer to the "Advanced Chipset Control" under the "Advanced" Setup
in the BIOS for the selection of Combined Mode or Enhanced Mode,).