Installing Memory Modules - IBM IntelliStation A Pro 6224 User Manual

The following cables are provided:
v Power cables: Four-wire power cables connect the drives to the power supply.
v Signal cables: Signal cables typically are flat cables, also called ribbon cables,

Installing memory modules

The following notes describe the types of dual inline memory modules (DIMMs) that
your computer supports and other information that you must consider when
installing DIMMs:
v The computer must have at least one pair of DIMMs installed in the DIMM
v The system board contains four DIMM connectors for microprocessor 1. Your
v If you install a second microprocessor, the board that comes with the
v You can add a second pair of DIMMs for either microprocessor at any time. It is
v The DIMM options that are available for your computer are 512 MB, 1 GB, and 2
At the end of these cables are plastic connectors that can be attached to
different drives; these connectors vary in size. With Serial ATA drives, you can
use either a four-wire power cable or a five-wire Serial ATA power cable, but do
not use both at the same time (use one or the other).
that connect IDE, SATA, SCSI, and diskette drives to the system board. Two or
three types of signal cable come with your 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 or secondary IDE connector on the system board. The spare
connector can be used to connect additional IDE drives to your computer.
Note: The optical drive is attached to an ATA 100 signal cable. ATA 100
signal cables are color-coded. The blue connector is connected to the system
board. The black connector is connected to the master IDE device. The gray
middle connector is connected to the subordinate IDE device.
– Serial ATA: The narrower, black signal cable has two connectors. One is
connected to the SATA drive, and the other is connected 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.
– SCSI: The following cables can be used to attach SCSI devices to the
integrated SCSI controller on the system board:
- An Ultra320 twisted ribbon cable connects the internal Ultra320 SCSI hard
disk drive to the SCSI connector on the system board. This cable has four
additional connectors for attaching more internal SCSI devices.
- A round SCSI cable connects external SCSI devices to the integrated SCSI
controller (SCSI B) on the system board. For more information about
connecting SCSI devices, see the SCSI documentation.
connectors for each microprocessor installed.
computer comes with one pair of DIMMs installed in the DIMM connectors on the
system board.
microprocessor option (microprocessor board) contains four DIMM connectors for
microprocessor 2. You must install at least one pair of DIMMs in the DIMM
connectors on the microprocessor board.
not necessary to add a second pair of DIMMs for microprocessor 1 before adding
a second pair of DIMMs for microprocessor 2.
GB. Your computer supports a minimum of 1 GB and a maximum of 16 GB of
system memory.
Chapter 4. Installing options
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