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36 ASUS TUSL2 User’s Manual
Connectors
3. H/W SETUP
3. HARDWARE SETUP
10) Primary (Blue) / Secondary (Black) IDE Connectors
(40-1 pin PRIMARY IDE and SECONDARY IDE)
(40-1 pin PRIMARY ATAIDE and SECONDARY ATAIDE)
These connectors support the IDE hard disk ribbon cables supplied with
the motherboard. Connect the cable’s blue connector to the motherboard’s
primary IDE connector (recommended) or the secondary IDE connector. Then
connect the opposite end of the cable to your UltraDMA/100/66 device (hard
disk drive). A second slave hard disk may be attached to the intermediate
connector on the cable. If a second hard disk drive is connected, you may reset
its jumper to Slave mode. Refer to your hard disk documentation for the jumper
settings. It is recommended that non-UltraDMA/100/66 devices be connected
to the secondary IDE connector. BIOS now supports specific device bootup
(see 4.6 Boot Menu.) If you have more than two UltraDMA100/66 devices, you
will need to purchase another UltraDMA100/66 cable. (Pin 20 is removed to
prevent inserting in the wrong orientation when using ribbon cables.)
The TUSL2 motherboard is supplied with two extra onboard IDE connectors:
one Primary ATAIDE1 and one Secondary ATAIDE2. You can use them to
setup the RAID 0 or 1 arrays and to support extra IDE devices. A total of eight
hard-disks, two on each IDE connector, can be connected to the TUSL2, but
only two can function in a RAID array. See 5.4 Software Setup for more
information about setting up a RAID array.
TIP: For high-performance and RAID 0 or 1 set ups, always setup two hard
disks with two separate ribbon cables, one for the primary IDE connector and
another for the secondary IDE connector. Usually, both disks may be set to the
Master settings. Also, you may install one operating system on an IDE drive
and another on a SCSI drive and select the boot disk through BIOS. (See 4.6
Boot Menu.)
NOTE: UltraDMA/100 is backward compatible with DMA/66 and DMA/33
and with all with existing DMA devices and systems, so there is no need to
upgrade current EIDE/IDE drives and host systems.
IMPORTANT: UltraDMA66 and UltraDMA100 IDE devices require a 40-pin
80-conductor cable and RAID arrays only operate with such cables.
TUSL2
®
COM1
TUSL2 IDE Connectors
NOTE: Orient the red markings
on the IDE ribbon cable to PIN 1.
Secondary IDE Con.
PIN 1
Primary IDE Con.
1 2
1
2
Secondary ATAIDE Con.
PIN 1
Primary ATAIDE Con.