Antonio Perez

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======NBX-S2 LED ON AND SYSTEM WILL NOT BOOT======

**Symptoms:**
  * Need to get the NBX System to boot up  
  * S2 LED illuminated  
  * System will not boot  
  * Hard drive not booting   
    * System stops booting at NBoss> prompt   
    * System stops booting at BNCP> prompt  
  * Error: "Drive #0 does not exist" 
  * Message: "Drive #1 does not exist"  
  * NBoss  
  * BNCP  
  * Getting error "FSCheck failed Error code 39, Bad Super Block, magic number wrong"  
 

 
**Facts:** SuperStack 3 NBX  
  * BX 100  
  * NBX 25  
  * NBX Chassis  
  * NBX Call Processor  
  * Hard Drive   



**Causes:** NBX Hard Disk Drive (HDD) is not installed properly  
The software and the hardware do not match. For instance, NBX 100 software was loaded on the the hard disk with an NBX 25 NCP.  
Thumb screws on card are not snugged down  
 

 
Fixes: Install the HDD correctly:


**1.** Verify there is no power to the chassis

**2.** Remove chassis cover or remove the SS 3 NBX Disk Tray

**3.** Seat the IDE ribbon cable properly, verifying Pin 1 on controller and HDD is same

**4.** Connect the HDD power to the power supply

**5.** On SS 3 NBX only reinstall Disk Tray

**6.** Apply power to the chassis and verify a system boot

**7.** If system boots properly, replace the chassis cover on the NBX 100 or NBX 25

**8.** If not, replace the following in this order until system boots:

  * IDE ribbon cable
  * Different power source for power supply
  * NBX HDD
  * NBX chassis, or SS3 NBX disk tray
  * NBX Call Processor -- Make sure NBX 100/25 thumb screws are snug, but not over tightened  



If verified that the HDD is installed correctly, run command //from NBoss> or BNCP> prompt://


**1.** On the NBX 100 or NBX25, command is: run 0,bootnbx.sys

**2.** On the SS3 NBX, command is: run 0,bootgin.sys

**3.** If these commands fail, file is not found, the hard disk is either hard failed or does not have proper software.

**4.** Replace the HDD.  

If this does not fix the issue, see the following solution: NBX - Will not boot, or cannot connect to NCP  
Typing reset from the NBoss prompt will most of the time reboot the system; otherwise reset the power.  
 



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  * Product(s):  NBX  
  * Sub Product(s): NBX 25, NBX 100, NBX Call Processor, SuperStack 3 NBX  
 



 --- //[[nce@itclatam.com|David Gonzalez]] 2021/04/12 14:49//