2950 server and components NV

Hello, newbe here

I have a Dell PowerEdge 2950 I need to erase the three areas of NV Ram, I downloaded the declaration of volatility, and these are the sections:

1. Server Firmware, built-in optional ROMB) memory

Check the pages of Dell, I see a NVRAM_CLR jumper, remove this jumper, boot and who should do it?

2 Server (Embedded) storage controller Cache, RAM memory volatile Battery Backed

Check pages Dell, to clear the cache of the storage controller, remove the RAM controller chip and battery. Starting the server, CTRL-M to SCSI (3 PERC, PERC 4) controllers or CTRL-R to SATA/SAS controllers (PERC 5, new controllers and PERC 6) according to the installed controller, wait five minutes in the CTRL menu to enable the content of the purge cache, restart the controller BIOS. Dell recommends re-flashing and BIOS / Firmware in the server.

3. memory video Server DDR SDRAM

Can't find anything on this

He is the current wording of the SOV web site, can someone confirm the steps to clear these 3 boxes of NV RAM?

Thank you, Bruce

1. the Firmware (built-in optional ROMB) memory server

Details

Size:

NVRAM 32KB, 4MB Flash

Type: [e.g. PROM Flash, EEPROM]:

NVRAM, Flash

Can programs user or operating system to write data on it during normal operation?

NVRAM data can be changed during the

normal operation

Goal? [e.g. code for startup]

The Firmware data & configuration of controller

How are data entry in this memory?

Loading flash memory requires a seller

Loader and the firmware file provided

program which is executed by starting at the top

the system from a diskette or a based OS

executable containing the

the firmware file and the loader. System

charge with arbitrary data in firmware

memory would not work.

How is this memory write protected?

The flash memory chip is software write protected

Remarks

2 Server (Embedded) storage controller Memory Cache (if not present/applicable, N/A will appear under details)

Details

Size:

256 MB

Type: [e.g. PROM Flash, EEPROM]:

Battery Backed volatile RAM

Can programs user or operating system to write data on it during normal operation?

Yes

Goal? [e.g. code for startup]

Caching of data

How are data entry in this memory?

Normal operation

How is this memory write protected?

NO.

Remarks

3. memory video server

Details

Size:

16 MB

Type: [e.g. PROM Flash, EEPROM]:

DDR SDRAM

Can programs user or operating system to write data on it during normal operation?

Yes

Goal? [e.g. code for startup]

Graphics buffer

How are data entry in this memory?

Normal operation

How is this memory write protected?

NO.

Remarks

Why you "have to" clear all these? This is totally useless or is a sign of other issues.

1. this I can see - it has valid uses. Set the jumper, CLR, and then start the system - you will see a message that the NVRAM jumper is installed. At this point, you can turn off the power, unplug and put the rider in its original location.

2. Yes, there may be rare cases where you will need to do this, but only if the system has no BONES and even in this case, it is more likely due to bad memory RAID or battery cache emptying the cache is not cleared on subsequent reboots. On the latest controllers, you can do it from the BIOS OF THE controller.

3. This is cleared on every reboot - there is NO valid reason for data to remain 'active' in the video RAM. If you're worried, put off the power, unplug, hold down the power button / stop for 10 seconds.

Tags: Dell Servers

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