IBM 8646 Hardware Maintenance Manual - Page 15

Server controls and indicators, CD-ROM eject button, CD-ROM drive activity light

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v Vital product data (VPD) on memory, system board, and hot-swap drive backplane Server controls and indicators This section identifies the controls and indicators on the front of the server. Ethernet speed 100 Mbps Cover-release latch Key lock CD-ROM eject button CD-ROM drive activity light Diskette-eject button Diskette drive activity light SCSI activity light Power-on light Power-control button System error light Ethernet transmit/receive activity CD-ROM eject button: Press this button to release a CD from the drive. CD-ROM drive activity light: When this light is on, it indicates that the CD-ROM drive is in use. Diskette-eject button: Press this button to release a diskette from the drive. Diskette-drive activity light: When this light is on, it indicates that the diskette drive is in use. SCSI activity light: When this green light is flashing, the controller is accessing a SCSI device, for example, a hard disk drive. Note: Hot-swap hard disk drives also have an activity light. This light is also known as the SCSI hard disk drive activity light. If the server has a ServeRAID™ controller installed and this light flashes slowly (one flash per second), the drive is being rebuilt. When the light flashes rapidly (three flashes per second), the controller is identifying the drive. Power-on light: When this green light is on, system power is present in the server. General information 7

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v
Vital product data (VPD) on memory, system board, and hot-swap drive
backplane
Server controls and indicators
This section identifies the controls and indicators on the front of the server.
CD-ROM
eject button
CD-ROM drive
activity light
Diskette-eject
button
SCSI
activity light
Power-on
light
Power-control
button
System error
light
Diskette drive
activity light
Ethernet speed 100 Mbps
Ethernet transmit/receive activity
Cover-release latch
Key lock
CD-ROM eject button:
Press this button to release a CD from the drive.
CD-ROM drive activity light:
When this light is on, it indicates that the CD-ROM
drive is in use.
Diskette-eject button:
Press this button to release a diskette from the drive.
Diskette-drive activity light:
When this light is on, it indicates that the diskette
drive is in use.
SCSI activity light:
When this green light is flashing, the controller is accessing a
SCSI device, for example, a hard disk drive.
Note:
Hot-swap hard disk drives also have an activity light. This light is also
known as the SCSI hard disk drive activity light.
If the server has a ServeRAID
™
controller installed and this light flashes slowly
(one flash per second), the drive is being rebuilt. When the light flashes rapidly
(three flashes per second), the controller is identifying the drive.
Power-on light:
When this green light is on, system power is present in the server.
General information
7