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HP CD-ROM Server - Front Panel Indicators

Check front-panel indicators
The indicator lights (LEDs) on the front of the tower show the status of the tower, server, and CD/DVD-ROM drives.
Figure : Front-panel indicators
On the tower nearest the top (when floor-mounted):
  • Power is green (on) when the power is connected to the tower and the power switch is on.
On the server module, from left to right:
  • Status is green or off during startup. When the server is ready for use, Status remains green (on). For an error condition, it is red or flashing yellow.
  • SCSI is green or yellow during startup. When the server is ready for use, the SCSI is off, blinking green when a disc is being read, or blinking green when writing to HP J4150A’s hard disk. For an error condition, it is red.
  • The network is blinking green whenever a packet is received on a 100-Mbit/s network, and blinking yellow on a 10-Mbit/s network. If the link is lost, it is red.
  • The power is on when the power is connected from the tower to the server.
On the HP disc drives, from left to right:
  • (Only on J3278B and J4150A CD-ROM drives) DISC is on (green) when power is connected from the tower to the drive and a CD is inserted. It is off when no CD is inserted.
  • (Only on J3278B and J4150A CD-ROM drives) ON/BUSY or (only on J4152A DVD-ROM drives) BUSY is on when power is connected from the tower to the drive. It blinks in synchrony with access to an inserted disc. It is off when an inserted disc is not being accessed.
Normal conditions
The power LEDs on the tower and server module are controlled by hardware and are always on when power is connected. The following tables describe the state of the other LEDs.
On the server module
Event
Status
SCSI
Network
Initial power to unit
Solid Green
Solid Green
Solid Green
During power-up and self-test (approx. 30 seconds to 5 minutes)
1. Solid Green;
2. Off
1. Off;
2. Blink Yellow
Off
After power-up and self-test
Solid Green
Off
Blink Green for each 100-Mb/s packet; Blink Yellow for each 10-Mb/s packet
Disc accessed
Solid Green
Blink Green for read; Blink Yellow for write (on hard drive); Off for no activity
No disc, and No hard drive archive
Solid Green
Off
Flash loading
Fast Flash Yellow
Off
Off
On the CD-ROM or DVD-ROM drive
Event
Disc, on J3278B, J4150A
ON/BUSY, on J3278B, J4150A
BUSY, on J4152A
Initial power to unit
Solid Green
Solid Yellow, with no CD
Off
During power-up and self-test (approx. 30 seconds to 5 minutes)
Solid Green
Solid Yellow, with no CD
Blinking Green when drive accessed for testing
After power-up and self-test
Off, with no CD
Solid Yellow, with no CD
Off
Disc accessed
Solid Green
Blink Yellow for read; Off for no activity
Blinking Green for read; Off for no activity
No disc, and No hard drive archive
Off
Solid Yellow
Off
Error conditions
The following tables show how the front-panel LEDs display various problems.
On the server module
Status
SCSI
Network
Problem
Off
--
Solid Red
Network connection failure.
Off
Solid Red
Off
No access. SCSI problem.
Off
Flash Red
Off
One or components failed; SCSI problem.
Slow Flash Yellow
Off
Off
Try restarting the server. If the indicator persists, the server module failed.
Flash Yellow and Red
Off
Off
Startup memory error. Server module failed.
Flash Red
Off
Off
Flash load failed or DRAM error. Server module failed.
Solid Red
Off
Off
Flash BIOS failure. Server module failed.
On the CD-ROM or DVD-ROM drive
Disc, on J3278B, J4150A
ON/BUSY, on J3278B, J4150A
BUSY, on J4152A
Problem
Off with CD in
Off with CD in
Off with disc in
If the disc is inaccessible: the power is disconnected, there is a defective drive, or there is a SCSI disconnection.
Off
Flash Yellow in series of 5
Solid green for about a minute, then Off
Disc read problem, unsupported disc format, or drive problem
--
Continuously On
--
If disc inaccessible: possible SCSI ID conflict

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