Did the error happen to start during a power up or while it was running normally? If it did it on power up then we can try the following procedure to clear the issue.
1. Power off the system if it is not already powered off
2. Remove AC cord, wait for standby voltage to dissipate (10-20 secs or no LEDs visible and no LCD illumination)
3. Remove the G memory riser identified by the E1234
4. Check the memory riser for any damaged components. Also, make sure the heat sink clip is installed correctly. Then leave the riser out of the system until step 10)
5. Install a jumper on pins 5-6 of the jumper block labeled “J_DBGCPLD1” which is located near the iSCSI key connector (which looks like a phone jack) as seen below. There isn’t a jumper installed on this block from the factory, so you will need to borrow one from the NVRAM_CLR/PASS_EN block or get it externally.
7. Apply AC. Wait ~45 seconds to a minute for the iDRAC to be initialized. The front LCD will flicker momentarily and you can see the LCD interactive when it is initialized. The power fault message will be cleared from the LCD message queue.
8. Remove AC, wait for standby voltage to dissipate (10-20 secs or no LEDs visible and no LCD illumination)
9. Remove the jumper (if you borrowed from the NVRAM_CLR/PASS_EN block, make sure it is replaced in the proper position)
Yes, the error happens to start during power up. Thank you very much for the assistance as this procedure fixed our server. We were able to boot up as normal!
I would start with reseating the riser B and the dimms installed on it, as advised. If that doesn't resolve it then try taking the server to MInimum to Post configuration, which is removing everything but the following;
Two Processors to POST and boot to DOS or OS (can use one installed, but system emits an error message for improper CPU configuration and will not hand off to boot)
Two DDR3 RDIMMs in Slots 1 and 2 of Memory Riser_A
I/O riser installed
One power supply
2.5" SAS backplane (4-drive or 16-drive) installed and connected to system board
Control panel connected to system board
Power Distribution Board connected to the power supply and system board
If the server powers like that then restore the hardware individually and see what retriggers the error.
To troubleshoot the dimms, you can swap all the dimms from one riser to the other, and see if error then jumps to other riser.
If the error doesn't clear, even when riser is removed, then it may be the slot the riser connects to.
I suggest being very careful with the notion of putting a jumper on J_DBGCPLD1. I tried this, and have bricked my entire system. Doing this has caused my front panel display to stop working. Now, I get no status messages, or anything. When I plug in the server, the panel display remains blank and completely dark.
Based on some of the positive responses from others, this may seem to work. However, I just wanted to give this warning since, for me, jumping J_DBGCPLD1 has caused my system to provide no information whatsoever. It has turned my server into a paperweight.
DELL-Chris H
Moderator
•
9.7K Posts
3
March 14th, 2016 11:00
Paw0702,
Did the error happen to start during a power up or while it was running normally? If it did it on power up then we can try the following procedure to clear the issue.
1. Power off the system if it is not already powered off
2. Remove AC cord, wait for standby voltage to dissipate (10-20 secs or no LEDs visible and no LCD illumination)
3. Remove the G memory riser identified by the E1234
4. Check the memory riser for any damaged components. Also, make sure the heat sink clip is installed correctly. Then leave the riser out of the system until step 10)
5. Install a jumper on pins 5-6 of the jumper block labeled “J_DBGCPLD1” which is located near the iSCSI key connector (which looks like a phone jack) as seen below. There isn’t a jumper installed on this block from the factory, so you will need to borrow one from the NVRAM_CLR/PASS_EN block or get it externally.
7. Apply AC. Wait ~45 seconds to a minute for the iDRAC to be initialized. The front LCD will flicker momentarily and you can see the LCD interactive when it is initialized. The power fault message will be cleared from the LCD message queue.
8. Remove AC, wait for standby voltage to dissipate (10-20 secs or no LEDs visible and no LCD illumination)
9. Remove the jumper (if you borrowed from the NVRAM_CLR/PASS_EN block, make sure it is replaced in the proper position)
10 . Reinstall memory riser
11. Apply AC
12. Power up the system
Let me know if that resolves the issue.
Paw0702
1 Rookie
•
2 Posts
0
March 15th, 2016 06:00
Hi Chris,
Yes, the error happens to start during power up. Thank you very much for the assistance as this procedure fixed our server. We were able to boot up as normal!
Regards,
Paolo
imd.dlh
1 Message
0
October 25th, 2016 05:00
Hi Chrish,
Thanks for the solution.
Could you please explain what we did by connecting the jumpers to the pin 5-6.
Thanks
imd.dlh
DELL-Chris H
Moderator
•
9.7K Posts
0
October 26th, 2016 09:00
It clears the NVRam (Non-Volatile Memory) on the motherboard. Essentially almost like a hard reset.
Caleb Meadows
1 Message
0
March 4th, 2017 16:00
Thank you Chris! I ran into this issue tonight during an upgrade and your fix saved my maintenance window.
Caleb Meadows
Jarbson Santana
1 Message
0
November 4th, 2020 07:00
I had a similar case in Raiser A, it was solved without problems with this solution.
Thanks
DELL-Joey C
Moderator
•
4.1K Posts
0
March 23rd, 2021 20:00
Hi,
The R910 J_DBGCPLD1 jumper block location would be here:
This is only available for PowerEdge R910.
lexneri
1 Message
0
March 23rd, 2021 20:00
Hello, I cant locate the J_DBGCPLD1 on my moho and i also cant view the picture given. Can anyone please help me?
YJjoe
4 Posts
0
March 6th, 2022 12:00
You solve what appears to me unsolvable, thanks! (I meant this reply for Dell's dev)
terrencechew
1 Message
0
April 25th, 2022 08:00
Hi Chris,
I am having the similar issue , with the server cannot turn on. My issue is Riser B instead.
What should i do to reset this issue.
the error message is : E1234 Memory Riser B power failure. Reseat riser and DIMMs
Appreciate your your advise
Terrence Chew
DELL-Chris H
Moderator
•
9.7K Posts
0
April 25th, 2022 08:00
Terrencechew,
I would start with reseating the riser B and the dimms installed on it, as advised. If that doesn't resolve it then try taking the server to MInimum to Post configuration, which is removing everything but the following;
If the server powers like that then restore the hardware individually and see what retriggers the error.
To troubleshoot the dimms, you can swap all the dimms from one riser to the other, and see if error then jumps to other riser.
If the error doesn't clear, even when riser is removed, then it may be the slot the riser connects to.
Let me know what you see.
evansste
1 Rookie
•
37 Posts
0
February 5th, 2025 16:05
I suggest being very careful with the notion of putting a jumper on J_DBGCPLD1. I tried this, and have bricked my entire system. Doing this has caused my front panel display to stop working. Now, I get no status messages, or anything. When I plug in the server, the panel display remains blank and completely dark.
Based on some of the positive responses from others, this may seem to work. However, I just wanted to give this warning since, for me, jumping J_DBGCPLD1 has caused my system to provide no information whatsoever. It has turned my server into a paperweight.