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Windows Server 2008 R2 Enterprise On PowerEdge R900
I recently installed Windows Server 2008 R2 Enterprise on my PowerEdge R900. Although Windows shows the system has 32GB of RAM, it reports only 1.99GB as usable. I've tried reseating and swapping positions of the four memory riser cards. I've moved what I presume to be the original four DIMMS to slots A8, B8, C8 and D8. The only thing that has made any change in the usable RAM is when I changed the memory redundancy from 'disabled' to 'mirrored'. That resulted in the usable memory being reported as 2.99GB.
I have verified that the "maximum memory" checkbox in msconfig.msc is unchecked per Technet. My Windows was already activated but, I followed the instructions to delete the licensing and relicense and activate it again, which was another recommendation. I have run Memtest86 and no errors were reported. I have provided system info from OSA below. Does anyone know why most of my memory is hardware reserved and is there a fix?
Thanxx,
Tom
System
System
| Host Name | Monster |
| System Location | Please set the value |
| Lifecycle Controller | [N/A] |
Main System Chassis
Chassis Information
| Chassis Model | PowerEdge R900 |
| Chassis Service Tag | |
| Express Service Code | |
| Chassis Lock | Present |
| Chassis Asset Tag | |
Processor 1
| Processor Brand | Intel(R) Xeon(R) CPU E7450 @ 2.40GHz |
| Processor Version | Model 29 Stepping 1 |
| Voltage | 1400 mV |
Processor 2
| Processor Brand | Intel(R) Xeon(R) CPU E7450 @ 2.40GHz |
| Processor Version | Model 29 Stepping 1 |
| Voltage | 1400 mV |
Processor 3
| Processor Brand | Intel(R) Xeon(R) CPU E7450 @ 2.40GHz |
| Processor Version | Model 29 Stepping 1 |
| Voltage | 1400 mV |
Processor 4
| Processor Brand | Intel(R) Xeon(R) CPU E7450 @ 2.40GHz |
| Processor Version | Model 29 Stepping 1 |
| Voltage | 1400 mV |
Memory
| Total Installed Capacity | 32768 MB |
| Memory Available to the OS | 32768 MB |
| Total Maximum Capacity | 262144 MB |
| Memory Array Count | 1 |
Memory Array 1
| Location | Proprietary Add-on Card |
| Use | System Memory |
| Installed Capacity | 32768 MB |
| Maximum Capacity | 262144 MB |
| Slots Available | 32 |
| Slots Used | 32 |
| ECC Type | Multibit ECC |
Slot SLOT_1
| Adapter | [Not Occupied] |
| Type | PCI E |
| Data Bus Width | 8x or x8 |
| Speed | [Not Obtained, see card documentation] |
| Slot Length | Long |
| Voltage Supply | 3.3 Volts |
Slot SLOT_2
| Adapter | [Not Occupied] |
| Type | PCI E |
| Data Bus Width | 8x or x8 |
| Speed | [Not Obtained, see card documentation] |
| Slot Length | Long |
| Voltage Supply | 3.3 Volts |
Slot SLOT_3
| Adapter | [Not Occupied] |
| Type | PCI E |
| Data Bus Width | 8x or x8 |
| Speed | [Not Obtained, see card documentation] |
| Slot Length | Long |
| Voltage Supply | 3.3 Volts |
Slot SLOT_4
| Adapter | [Not Occupied] |
| Type | PCI E |
| Data Bus Width | 8x or x8 |
| Speed | [Not Obtained, see card documentation] |
| Slot Length | Short |
| Voltage Supply | 3.3 Volts |
Slot SLOT_5
| Adapter | [Not Occupied] |
| Type | PCI E |
| Data Bus Width | 4x or x4 |
| Speed | [Not Obtained, see card documentation] |
| Slot Length | Short |
| Voltage Supply | 3.3 Volts |
Slot SLOT_6
| Adapter | [Not Occupied] |
| Type | PCI E |
| Data Bus Width | 4x or x4 |
| Speed | [Not Obtained, see card documentation] |
| Slot Length | Long |
| Voltage Supply | 3.3 Volts |
Slot SLOT_7
| Adapter | [Not Occupied] |
| Type | PCI E |
| Data Bus Width | 4x or x4 |
| Speed | [Not Obtained, see card documentation] |
| Slot Length | Long |
| Voltage Supply | 3.3 Volts |
BIOS Information
| Manufacturer | Dell Inc. |
| Version | 1.2.0 |
| Release Date | 11/11/2010 |
Firmware Information
| Name | Baseboard Management Controller |
| Version | 2.50.00 |
Firmware Information
| Name | Remote Access Controller firmware |
| Version | 1.65.00 (Build 17) |
Software Profile
Operating System
| Name | Microsoft Windows Server 2008 R2, Enterprise x64 Edition |
| Version | Version 6.1 (Build 7601 : Service Pack 1) (x64) Server Full Installation |
| System Time | Wed May 01 17:15:31 2013 |
| System Bootup Time | Wed May 01 16:41:36 2013 |
Systems Management
| Name | Dell OpenManage Systems Management Software |
| Version | 7.2.0 |
| Description | Systems Management Software |
| Contains | Apache Tomcat Webserver 7.0.23 |
| Common Storage Module | |
| Data Engine 7.2.0 | |
| Hardware Application Programming Interface | |
| Instrumentation Service 7.2.0 | |
| Instrumentation Service Integration Layer | |
| Inventory Collector 7.2.0 | |
| OMACS 7.2.0 | |
| Operating System Logging 7.2.0 | |
| Oracle Java Runtime Environment 1.7.0_07 | |
| Remote Access Controller Managed Node | |
| Server Administrator Common Framework 7.2.0 | |
| Server Administrator Core files 7.2.0 | |
| Server Administrator Instrumentation files | |
| Server Instrumentation SNMP Module 7.2.0 | |
| Server Instrumentation WMI Module 7.2.0 | |
| Storage Management 4.2.0 | |
Network Data
Network Interface 0
| IP Address | 192.168.166.246 |
| Subnet Mask | 255.255.255.0 |
| Default Gateway | 192.168.166.1 |
| MAC Address | 00-24-E8-61-7B-6E |
Network Interface 3
| IP Address | 10.99.99.1 |
| Subnet Mask | 255.0.0.0 |
| Default Gateway | 0.0.0.0 |
| MAC Address | 00-24-E8-61-7B-74 |
Network Interface 2
| IP Address | 192.168.166.245 |
| Subnet Mask | 255.255.255.0 |
| Default Gateway | 192.168.166.1 |
| MAC Address | 00-24-E8-61-7B-72 |
Network Interface 1
| IP Address | 192.168.166.95 |
| Subnet Mask | 255.255.255.0 |
| Default Gateway | 192.168.166.1 |
| MAC Address | 00-24-E8-61-7B-70 |
Storage Enclosures
Storage Enclosures
| Name | Backplane |
| Service Tag | <Admin Note: Service tag removed as per Privacy policy> |
| Express Service Code | 17748502280 |
Storage Enclosures
| Name | Backplane |
| Service Tag | <Admin Note: Service tag removed as per Privacy policy> |
| Express Service Code | 17748502280 |
Jump to:
Device
| Device | Serial No. | Part No. | Revision | Manufacturer | Manufacture Date | ||
| System Planar (BMC) | CN13740873009C | 0C764H | A00 | DELL | Thu Jul 03 07:00:00 2008 | ||
| Remote Access Controller (DRAC 5) | WW04PS | 12696G | A04 | DELL | Thu Jun 18 02:00:00 2009 | ||
| SAS Controller Daughter Card (Storage) | CN1374095V003I | 0JT167 | A02 | DELL | Sun May 31 07:00:00 2009 | ||
| Power Supply 1 (PS 1) | CN1797285S13UU | 0G631G | A00 | DELL | Thu Jun 05 16:01:00 2008 | ||
| Power Supply 2 (PS 2) | CN1797285S13US | 0G631G | A00 | DELL | Thu Jun 05 16:00:00 2008 | ||
| Primary Backplane (Storage) | CN1374085J0008 | 0TT235 | A01 | DELL | Mon May 19 07:00:00 2008 | ||
| DIMM A1 | 49070711 | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon Aug 04 07:00:00 2008 | ||
| DIMM B1 | 45421202 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Aug 04 07:00:00 2008 | ||
| DIMM C1 | 66482212 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Oct 20 07:00:00 2008 | ||
| DIMM D1 | 8218011E | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon May 18 07:00:00 2009 | ||
| DIMM A2 | 68172124 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Nov 24 06:00:00 2008 | ||
| DIMM B2 | 6648280C | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Oct 20 07:00:00 2008 | ||
| DIMM C2 | 68172308 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Nov 24 06:00:00 2008 | ||
| DIMM D2 | 74052524 | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon May 11 07:00:00 2009 | ||
| DIMM A3 | 48735113 | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon Aug 04 07:00:00 2008 | ||
| DIMM B3 | 54661616 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Mar 09 07:00:00 2009 | ||
| DIMM C3 | 84320609 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Jun 23 07:00:00 2008 | ||
| DIMM D3 | 74040601 | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon May 11 07:00:00 2009 | ||
| DIMM A4 | 44193705 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Jun 02 07:00:00 2008 | ||
| DIMM B4 | 0EC00338 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Mar 09 07:00:00 2009 | ||
| DIMM C4 | 8218041E | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon May 18 07:00:00 2009 | ||
| DIMM D4 | 74052123 | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon May 11 07:00:00 2009 | ||
| DIMM A5 | 55021707 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Mar 09 07:00:00 2009 | ||
| DIMM B5 | 54661713 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Mar 09 07:00:00 2009 | ||
| DIMM C5 | 77090209 | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon May 18 07:00:00 2009 | ||
| DIMM D5 | 49070300 | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon Aug 04 07:00:00 2008 | ||
| DIMM A6 | 45422115 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Aug 04 07:00:00 2008 | ||
| DIMM B6 | 54661113 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Mar 09 07:00:00 2009 | ||
| DIMM C6 | 66482113 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Oct 20 07:00:00 2008 | ||
| DIMM D6 | 68090216 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Nov 24 06:00:00 2008 | ||
| DIMM A7 | 46083109 | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon Aug 04 07:00:00 2008 | ||
| DIMM B7 | 8218211C | HYMP112F72CP8N3-Y5 | N/A | Hynix Semiconductor (80AD808980AD) | Mon May 18 07:00:00 2009 | ||
| DIMM C7 | 66482411 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Oct 20 07:00:00 2008 | ||
| DIMM D7 | 68090102 | HYMP112F72CP8D3-Y5 | N/A | Hynix Semiconductor (80AD7FB380AD) | Mon Nov 24 06:00:00 2008 | ||
| DIMM A8 | E151E0D5 | 9HTF12872FY667G1D6 | N/A | Micron Technology (802C7FB3802C) | Mon Sep 28 07:00:00 2009 | ||
| DIMM B8 | D4556777 | 9HTF12872FY667G1D6 | N/A | Micron Technology (802C7FB3802C) | Mon Dec 21 06:00:00 2009 | ||
| DIMM C8 | E151E0D4 | 9HTF12872FY667G1D6 | N/A | Micron Technology (802C7FB3802C) | Mon Sep 28 07:00:00 2009 | ||
| DIMM D8 | D45565E9 | 9HTF12872FY667G1D6 | N/A | Micron Technology (802C7FB3802C) | Mon Dec 21 06:00:00 2009 |
DELL-Daniel My
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6.2K Posts
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May 1st, 2013 18:00
Hello Tom
In the OS open task manager and go to Resource Monitor>Memory Tab. In the bottom section where it lists Physical memory let us know where all the memory is assigned.
Thanks
tvs.mitchell
14 Posts
0
May 2nd, 2013 00:00
Hardware Reserved: 30726 MB
In Use: 1407 MB
Modified: 27 MB
Standby: 545 MB
Free: 72 MB
Available: 618 MB
Cached: 577 MB
Total: 2042 MB
Installed: 32768 MB
Anything that doesn't quite add up should be due to minor shifts in usage during the time I was copying down the numbers.
DELL-Daniel My
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6.2K Posts
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May 2nd, 2013 10:00
Boot into safe mode and see if the amount of hardware reserved memory changes. What was the previously installed operating system, and did you have any memory issues with that OS?
DELL-Rey G
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898 Posts
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May 3rd, 2013 11:00
My suggestion, go back into the max memory setting, enable it, then set it to 32768 (1024*32) and see if it changes the usable amount. You will have to reboot the box though.
tvs.mitchell
14 Posts
0
May 3rd, 2013 15:00
I tried this before with no change. I just tried it again with the same result. Each time I set the value, always to 32768, and reboot, when I go back into look at the setting it shows the box still checked with a "0" in the field for the amount. I can only assume that it does not use the 32768 since it is greater than the usable amount. Unchecking the box and rebooting similarly has no effect.
tvs.mitchell
14 Posts
0
May 3rd, 2013 15:00
Ok, I just set the max to 1536 and it booted with 1.50 GB usable. That might support Windows not liking 32768 due to it being greater than the reported usable amount. I unchecked the box and rebooted. It's back to 1.99 GB usable.
tvs.mitchell
14 Posts
0
May 3rd, 2013 15:00
Just to be sure none of my post-install tweaks, or the Norton End-Point junk I installed for AV, caused this, I am getting ready to reinstall Windows and see what happens.
tvs.mitchell
14 Posts
0
May 3rd, 2013 15:00
Memory reports the same [32.0 GB (1.99 GB usable)]. I don't know what OS was previously installed on this system but, Dell provides 2008 R2 drivers for it so it is apparently a supported OS. I really hate to install Linux on this thing but, since I can't use it as a workstation due to lack of video support, I'll do that if absolutely necessary.
DELL-Rey G
3 Apprentice
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898 Posts
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May 3rd, 2013 15:00
I have the same system here with 64gb ram, no issues here with the limitation. I did lower maximum to 4gb, and on reboot, it showed zero in there too.after I unchecked the box, usable went back up to normal.
tvs.mitchell
14 Posts
0
May 3rd, 2013 22:00
VERY fresh install of 2008 R2 Enterprise. Not activated. No drivers or other software installed. Installed memory: 32.0 GB...
tvs.mitchell
14 Posts
1
May 4th, 2013 15:00
Well, for the time being, with the fresh install it's working with all 32GB. I've got all the major items reinstalled: critical drivers, VirtualBox, VMware WS 6.5, Norton Endpoint and OMSA. Re-activated with no problem. Windows Update has installed SP1 and all updates since. My best guess is that the remote desktop role that I added previously, while trying to set this system up as a desktop replacement for my current PC, must have screwed with the licensing or something,