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v The drives that are preinstalled in the computer come with power and signal
v When you install a drive, make sure that one of the drive connectors of the signal
v If you have only one IDE device on a cable, it must be set as a primary device.
v If two IDE devices are used on a single cable, one must be designated as the
v When the SAS adapter is installed, use the four-drop cable to connect the drives
The following cables are provided:
v Power cables: Four-wire power cables connect the drives to the power supply.
v Signal cables: Signal cables are typically flat cables, also called ribbon cables,
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IBM IntelliStation M Pro Type 9229: User's Guide
cables attached. If you replace any drives, remember which cable is attached to
which drive.
cable is connected to the drive and that the connector at the other end of the
signal cable is connected to the system board.
primary device and the other as the secondary device; otherwise, the computer
might not recognize some of the IDE devices. The primary and secondary
designation is determined by switch or jumper settings on each IDE device.
to the SAS adapter.
At the ends of these cables are plastic connectors that can be attached to
different drives; these connectors vary in size. You can use either a four-wire
power cable or Serial ATA power cable with Serial ATA drives, but do not use
both at the same time (use one or the other).
that connect parallel IDE, SATA, SAS and diskette drives to the system board.
Two or three types of signal cables come with the computer:
– IDE: The wider IDE signal cable has three connectors. One of these
connectors is attached to the drive, one is a spare, and the third is attached to
the primary IDE connector on the system board.
The optical drive is attached to an ATA 100 signal cable. ATA 100 signal
cables are color-coded. The blue connector is attached to the system board.
The black connector is attached to the primary IDE device. The gray middle
connector is attached to the secondary IDE device.
– Diskette drive (optional): The narrower signal cable has two connectors.
One is attached to the diskette drive, and the other is attached to the diskette
drive connector on the system board.
– Serial ATA: The narrower, black signal cable has two connectors. One is
attached to the SATA drive, and the other is attached to the connector on the
system board. Each SATA drive comes with a cable. If you install an additional
SATA drive, you will need an additional cable. Connect SATA signal cables to
the system board connectors (SATA 1 through SATA 4) in numerical order,
starting with SATA 1.
– SAS: The SAS flat three-drop cable connects the internal SAS hard disk drive
to the SAS adapter connector. This cable has three connectors for attaching
three internal SAS devices.
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