Lenovo PC 300PL Installing Options in your PC300PL - 6592 - Page 62

SCSI Cable

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CD-ROM drive, cables are attached to it, also. If you replace any drives, it is important to remember which cables are attached to which drives. When you install a drive, ensure that the drive connector at the end of the signal cable is always connected to the drive; also, ensure that the drive connector at the other end is connected to the riser card. This reduces electronic noise from the computer. If more than one IDE device is used on a single cable, one must be designated as the primary or master device and all others as secondary or subordinate devices; otherwise, some of the IDE devices might not be recognized by the system. The primary or secondary designation is determined by switch or jumper settings on each IDE device. To optimize performance when installing more than two hard disk drives, be sure to attach hard disk drives with faster data transfer speeds (Mode 1 or higher) to the primary hard disk drive signal cable (hard disk drives 0 and 1). On some models, to install more than two IDE hard disk drives, you must purchase an additional signal cable. The cable must meet the following specifications: - Maximum length: 0.46 meters (18 inches) - Wire size: 28 AWG - Cable capacitive loading: 200 pF maximum You can install one diskette drive only. To attach an external drive, you must install an adapter in the computer. SCSI Cable If your computer is equipped with a SCSI adapter, a ribbon cable is provided to connect internal SCSI devices. This cable provides four connectors for attaching the SCSI adapter and up to three internal SCSI devices. For more information on connecting SCSI devices, see the Adaptec SCSI Documentation provided with your computer. 48 Installing Options in Your Personal Computer

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CD-ROM drive, cables are attached to it, also.
If you replace any drives, it is
important to remember which cables are attached to which drives.
±
When you install a drive, ensure that the drive connector at the end of the
signal cable is always connected to the drive; also, ensure that the drive
connector at the other end is connected to the riser card.
This reduces electronic
noise from the computer.
±
If more than one IDE device is used on a single cable, one must be designated
as the primary or master device and all others as secondary or subordinate
devices; otherwise, some of the IDE devices might not be recognized by the
system.
The primary or secondary designation is determined by switch or
jumper settings on each IDE device.
±
To optimize performance when installing more than two hard disk drives, be
sure to attach hard disk drives with faster data transfer speeds (Mode 1 or
higher) to the primary hard disk drive signal cable (hard disk drives 0 and 1).
±
On some models, to install more than two IDE hard disk drives, you must
purchase an additional signal cable.
The cable must meet the following
specifications:
–
Maximum length:
0.46 meters (18 inches)
–
Wire size:
28 AWG
–
Cable capacitive loading:
200 pF maximum
±
You can install one diskette drive only.
±
To attach an external drive, you must install an adapter in the computer.
SCSI Cable
If your computer is equipped with a SCSI adapter, a ribbon cable is provided to
connect internal SCSI devices.
This cable provides four connectors for attaching the
SCSI adapter and up to three internal SCSI devices.
For more information on connecting SCSI devices, see the
Adaptec SCSI
Documentation
provided with your computer.
48
Installing Options in Your Personal Computer