Lenovo PC 300PL Installing Options in your PC300PL - 6592 - Page 61

Power and Signal Cables

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Power and Signal Cables Your computer uses cables to connect the power supply to the riser card and to integrated drive electronics (IDE) drives. The diskette drive is powered through a cable attached to the riser card. The following cables are provided: Four-wire power cables connect most drives to the power supply. At the ends of these cables are plastic connectors that attach to different drives; these connectors vary in size. Also, certain power cables attach to the riser card. The diskette-drive power cable is attached to the riser card. Flat signal cables connect IDE drives to the riser card; signal cables are sometimes called ribbon cables. There are two sizes of signal cables that come with your computer: - The wider signal cable has three connectors. Two of these connectors attach to installed drives and the third attaches to the primary IDE connector on the back of the riser card. - The narrower signal cable has two connectors. They connect to the diskette drive and the diskette drive connector on the riser card. The following illustration shows the connectors on the riser card. ISA ISA ISA PCI PCI PCI Front Panel Audio Diskette Drive (Back) 3.5 V Select (Back) Fan Modem Wakeup SCSI Hard Disk LED Wake on LAN Speaker CD-ROM Audio 340-Pin Connector Power (Back) Primary IDE (Back) Secondary LED IDE Panel (Back) (Back) The following are some important points to remember when connecting power and signal cables to internal drives: The diskette drive and hard disk drive that are preinstalled in your computer come with power and signal cables attached. If your computer comes with a Chapter 5. Working with Internal Drives 47

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Power and Signal Cables
Your computer uses cables to connect the power supply to the riser card and to
integrated drive electronics (IDE) drives.
The diskette drive is powered through a
cable attached to the riser card.
The following cables are provided:
±
Four-wire
power cables
connect most drives to the power supply.
At the ends of
these cables are plastic connectors that attach to different drives; these
connectors vary in size.
Also, certain power cables attach to the riser card.
The
diskette-drive power cable is attached to the riser card.
±
Flat
signal cables
connect IDE drives to the riser card; signal cables are sometimes
called
ribbon cables
.
There are two sizes of signal cables that come with your
computer:
–
The wider signal cable has three connectors.
Two of these connectors attach
to installed drives and the third attaches to the primary IDE connector on
the back of the riser card.
–
The narrower signal cable has two connectors.
They connect to the diskette
drive and the diskette drive connector on the riser card.
The following illustration shows the connectors on the riser card.
Diskette Drive (Back)
3.5 V Select (Back)
Fan
Modem Wakeup
LED
Panel
(Back)
Speaker
PCI
PCI
PCI
ISA
Power
(Back)
ISA
ISA
CD-ROM
Audio
Front
Panel
Audio
Primary
IDE
(Back)
Secondary
IDE
(Back)
340-Pin
Connector
SCSI Hard Disk LED
Wake on LAN
The following are some important points to remember when connecting power and
signal cables to internal drives:
±
The diskette drive and hard disk drive that are preinstalled in your computer
come with power and signal cables attached.
If your computer comes with a
Chapter
5.
Working with Internal Drives
47