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-   -   Problem with adding extra memory (https://www.linuxquestions.org/questions/linux-newbie-8/problem-with-adding-extra-memory-4175554098/)

zillur 09-21-2015 12:31 PM
Problem with adding extra memory
 
Hi there,
I am a new user of a linux workstation: Intel® Xeon(R) CPU E5-2630 v3 @ 2.40GHz × 16
62.7 GiB

64-bit

I wanted to add some memory in the memory(16gm ddr4-2133 1.2v dr*4rdim) slot. But after adding them my machine doesn't start up. What should I do now?

MensaWater 09-21-2015 02:17 PM
What you should do is remove the new memory and reinstall the old memory to get your system back online.

The memory you add and where you add it is dependent on who made the system. You must use memory that is compatible with the system. Often you must install memory in pairs or other physically interleaved layouts before the system will recognize it. Again you'd have to find out who made your system (or mother board) to determines the specifications and memory layout scheme required.

Of course it could be that you simply got a bad DIMM if you have the right specifications. If so and you bought more than one DIMM you could try installing less than all the DIMMs to see if it works trading out one DIMM at a time (or in pairs if required) until you figure out which one was bad.

That last time I saw this the new DIMMs fit perfectly into the system (a Dell PowerEdge R410) but were not actually compatible with the system so it wouldn't boot until we returned them for the correct DIMMs for that system. That is to say the DIMMs weren't defective, they simply didn't match the specifications of the system we'd installed them in.

zillur 09-22-2015 08:09 AM
Thank you very much for your kind suggestions. How can I reinstall old memory?

pan64 09-22-2015 08:38 AM
how did you add the new memory?

rokytnji 09-22-2015 08:53 AM
Quote:
extra memory,I wanted to add some memory ,
As far as I can tell. Just remove the added/new memory sticks. You should reboot just fine.
My free Dell servers are picky on whether Full Buffered or Non Buffered memory sticks are inserted in the slots. Some like Full Buffered. Some Like Non Buffered.

If I wish to make them non bootable. I just need to put a Non Buffered stick in a Full Buffered stick box.

Ram is complicated that way.

zillur 09-22-2015 09:14 AM
I just added those memory in the blank slots.

pradeepsixer 09-22-2015 09:42 AM
Quote:
Originally Posted by zillur (Post 5423951)
I just added those memory in the blank slots.
Could you give us some details regarding your workstation:
  1. What is your motherboard model?
  2. How many memory sticks are currently installed?
  3. Specifications of all the memory sticks (Including Memory Size, Clock Speed, etc.)

Did you try booting with just the new memory stick?

pan64 09-22-2015 09:43 AM
so you can just remove them again, or remove the old ones...

zillur 09-22-2015 09:47 AM
I removed the new memory and the computer is running.

pradeepsixer 09-22-2015 09:49 AM
Quote:
Originally Posted by zillur (Post 5423964)
I removed the new memory and the computer is running.
What about booting the computer with only the new memory in the slot?

zillur 09-22-2015 09:50 AM
How can I boot if the computer doesn't start.

pradeepsixer 09-22-2015 09:51 AM
Quote:
Originally Posted by zillur (Post 5423971)
How can I boot if the computer doesn't start.
I thought you started the computer with both Old and New Memory Sticks.

zillur 09-22-2015 10:04 AM
With new memory sticks my computer doesn't turn on. When I remove them it works fine.

rokytnji 09-22-2015 10:36 AM
Quote:
Originally Posted by zillur (Post 5423979)
With new memory sticks my computer doesn't turn on. When I remove them it works fine.
Looks like you bought the wrong sticks then?

Even my Chromebook tells me what is compatible

Code:
dimm                | 0
dram                | DDR3
module              | SO-DIMM
dimm                | 1
dram                | DDR3
module              | SO-DIMM
dimm                | 0
module_mfg          | 3-126: Elpida
serial_number        | 4f005378
part_number          | EBJ11UE6BASA-AE-E
dimm                | 1
module_mfg          | 4-11: Nanya Technology
serial_number        | 466c0ee8
part_number          | NT2GC64B88G0NS-CG
dimm                | 0
size_mb              | 1024
ranks                | 2
width                | 64
dimm                | 1
size_mb              | 2048
ranks                | 1
width                | 64
dimm                | 0
speeds              | DDR3-800, DDR3-1066
dimm                | 1
speeds              | DDR3-800, DDR3-1066, DDR3-1333
Google should tell you what ram is comaptible as well as a little help from

Code:
sudo lshw
Code:
sudo dmidecode --type memory
Code:
sudo dmidecode --type 17

zillur 09-22-2015 11:38 AM
new memory is DDR4-2133 1.2v DR*4 RDIM
 
Handle 0x0081, DMI type 7, 19 bytes
Cache Information
Socket Designation: CPU Internal L3
Configuration: Enabled, Not Socketed, Level 3
Operational Mode: Write Back
Location: Internal
Installed Size: 20480 kB
Maximum Size: 20480 kB
Supported SRAM Types:
Unknown
Installed SRAM Type: Unknown
Speed: Unknown
Error Correction Type: Single-bit ECC
System Type: Unified
Associativity: 20-way Set-associative

Handle 0x0082, DMI type 4, 42 bytes
Processor Information
Socket Designation: SOCKET 2
Type: Central Processor
Family: Xeon
Manufacturer: Intel
ID: F2 06 03 00 FF FB EB BF
Signature: Type 0, Family 6, Model 63, Stepping 2
Flags:
FPU (Floating-point unit on-chip)
VME (Virtual mode extension)
DE (Debugging extension)
PSE (Page size extension)
TSC (Time stamp counter)
MSR (Model specific registers)
PAE (Physical address extension)
MCE (Machine check exception)
CX8 (CMPXCHG8 instruction supported)
APIC (On-chip APIC hardware supported)
SEP (Fast system call)
MTRR (Memory type range registers)
PGE (Page global enable)
MCA (Machine check architecture)
CMOV (Conditional move instruction supported)
PAT (Page attribute table)
PSE-36 (36-bit page size extension)
CLFSH (CLFLUSH instruction supported)
DS (Debug store)
ACPI (ACPI supported)
MMX (MMX technology supported)
FXSR (FXSAVE and FXSTOR instructions supported)
SSE (Streaming SIMD extensions)
SSE2 (Streaming SIMD extensions 2)
SS (Self-snoop)
HTT (Multi-threading)
TM (Thermal monitor supported)
PBE (Pending break enabled)
Version: Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz
Voltage: 1.8 V
External Clock: 100 MHz
Max Speed: 4000 MHz
Current Speed: 2400 MHz
Status: Populated, Enabled
Upgrade: Socket LGA2011-3
L1 Cache Handle: 0x007F
L2 Cache Handle: 0x0080
L3 Cache Handle: 0x0081
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Core Count: 8
Core Enabled: 8
Thread Count: 16
Characteristics:
64-bit capable
Multi-Core
Hardware Thread
Execute Protection
Enhanced Virtualization
Power/Performance Control

Handle 0x0083, DMI type 38, 18 bytes
IPMI Device Information
Interface Type: KCS (Keyboard Control Style)
Specification Version: 2.0
I2C Slave Address: 0x10
NV Storage Device: Not Present
Base Address: 0x0000000000000CA2 (I/O)
Register Spacing: Successive Byte Boundaries

Handle 0x0084, DMI type 13, 22 bytes
BIOS Language Information
Language Description Format: Long
Installable Languages: 1
en|US|iso8859-1
Currently Installed Language: en|US|iso8859-1

Handle 0x0085, DMI type 127, 4 bytes
End Of Table


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