Ecc Rimm
Ecc Rimm

Windows 2000 doesn't recognize RAM upgrade in Compaq Deskpro AP250?
I am running a Compaq Deskpro AP250 866MHz Pentium III with Windows 2000. Recently, I upgraded the RAM from 128MB RIMM + CRIMM (blank) to two 256MB RIMM 800MHz ECC Unbuffered RAM. Immediately when booting up, BIOS recognizes the memory both in a "quickboot" setting and a "fullboot" setting. After Windows loads up, checking the memory in the System setting shows to have 126,512kB RAM available. I ran the Belarc diagnostic tool and it shows that memory is not being recognized by Windows.
Is there any way to make Windows accept the memory change?
Unfortunately, the Compaq has a bad rep for proprietary upgrades only. Mean to say, you may need to buy RAM from Compaq, exclusively, for it to work.
Of course, the microsoft website may have a fix you can download.
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MR18R1628DF0 Samsung 256MB RDRAM PC800 ECC Rambus RIMM Memory x 4 $4.00 |
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512MB Samsung PC800-40 non-ECC RIMM RAMBUS RDRAM TESTED $31.43 |
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256MB Kit (2x128MB) Rambus RIMM 1066-32P NON-ECC Samsung MR16R1624DF0-CT9 $10.00 |
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MR16R1628DF0-CM8 512MB RAMBUS RIMM 800-40 NON-ECC $33.99 |
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MR16R162GAF0-CM8 1GB RAMBUS RIMM 800-40 NON-ECC $63.99 |
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512MB HP 20-1E17B-01 1066-32P / PC1066 RIMM RAMBUS RDRAM ECC Memory Module $51.85 |
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512MB Samsung PC800-40 non-ECC RDRAM Rambus RIMM Memory $31.43 |
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MR18R162GAF0-CK8 1GB RAMBUS RIMM 800-45 ECC $69.99 |
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256MB KINGSTON PC1066 non-ECC RIMM RAMBUS RDRAM, TESTED $23.57 |
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MR18R0828BN1-CK8 256MB RAMBUS RIMM 800-45 ECC $15.99 |
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MR16R1624EG0-CM8 256MB RAMBUS RIMM 800-40 NON-ECC $23.99 |
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MR16R1624DFO-CM8RF 256MB RAMBUS RIMM 800-40 NON-ECC $15.99 |
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128MB 2 X 64MB 184 Pin RDRAM RIMM Non ECC RD0128C08004004-OF0 PNY $3.98 |
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MC-4R128CPE6C-653 256MB RAMBUS RIMM 600-53 NON-ECC $13.99 |
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23x 256MB Samsung Rambus 800-45 ECC Memory RDRAM RIMM $63.69 |
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12x 256MB Samsung Rambus 711-45 ECC Memory RDRAM RIMM $52.99 |
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256MB SAMSUNG PC1066 -32P RIMM RAMBUS RDRAM non-ECC $29.07 |
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512MB KINGSTON PC1066 non-ECC RIMM RAMBUS RDRAM, TESTED $47.15 |
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Elpida PC800-45 ECC RDRAM RIMM RAMBUS 2 x 512MB 1GB $29.99 |
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Samsung PC800-45 ECC RDRAM RIMM RAMBUS 2 x 512MB 1GB $29.99 |
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256MB (2x128MB) Rambus RIMM 600-53 NON-ECC Samsung MR16R0828AN1-CG6 $4.00 |
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Kingston 512MB PC800-45 RIMM RAMBUS RDRAM ECC, TESTED $23.57 |
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1GB SAMSUNG PC800-45 RIMM RAMBUS RDRAM ECC, TESTED $62.86 |
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MR16R082GBN1-CK8 512MB RAMBUS RIMM 800-45 NON-ECC $29.99 |
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MR18R082GBN1-CK8 512MB=2x256 RIMM RAMBUS 800-45 ECC $29.99 |
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RDRAM RIMM 512MB Samsung PC800-40 RAMBUS non-ECC $28.29 |
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Lot (6) 256MB /8 IBM RIMM PC800-45 ECC FRU: 33L3352 $85.00 |
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256MB MR18R082GAN1-CK8 Rambus RIMM 800-45 ECC Samsung DELL Dimension 8100 8200 $7.75 |
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33L3353 IBM Lenovo Memory 256Mb Rimm Pc800 Ecc $53.95 |
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2164P Dell Memory Rimm Ecc Pc400 $53.95 |
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20L0287 IBM Lenovo Memory 256Mb Rimm Pc800-45 Ecc $53.95 |
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31P8434 IBM Lenovo Memory 256Mb Rimm Pc800-40 Ecc $53.95 |
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33L3351 IBM Lenovo Memory Rimm Pc800-45 Ecc $53.95 |
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7D110 Dell Memory M Pc800 Non-Ecc Rimm 400M 288Mb $24.95 |
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P2274A HP Compaq Memory Pc800 Non-Ecc Rdram Rimm Module $24.95 |
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P2277A HP Compaq Memory M Pc800 Non-Ecc Rambus Rdram Rimm Modules - $24.95 |
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1164P Dell Memory M Pc800 Non-Ecc Rimm 400M 64X16 8C $24.95 |
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214544-001 HP Compaq Memory Cpq M Pc800 7Rp Rimm Non-Ecc $24.95 |
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HYR1612840G-840 512MB RAMBUS RIMM 800-40 NON-ECC $29.99 |
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MR18R1628AFO-CK8Q0 512MB RAMBUS RIMM 800-45 ECC $39.99 |
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256MB Samsung MR18R082GBN1-CK8 Rambus Server RAM PC800-45 ECC RDRAM Memory RIMM $8.79 |
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Kingston 128MB Dell Dimension PC600 RAMBUS non-ECC Memory RDRAM RIMM Kit of 2 $12.56 |
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1GB Kingston (2x 512MB) PC800-45 RIMM RAMBUS RDRAM ECC $62.86 |
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512MB Elpida PC1066-32P RIMM RAMBUS RDRAM non-ECC $47.15 |
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512MB SAMSUNG PC800-40 RIMM RAMBUS RDRAM non-ECC TESTED $31.43 |
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MR18R1628AF0-CM8 512MB RAMBUS RIMM 800-45 ECC $39.99 |
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MR16R1628AF0-CK8 512MB RAMBUS RIMM 800-45 NON-ECC $39.99 |
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MR18RO828AN1-CK8 RAM Samsung 128MB / 8 ECC RDRAM RIMM $10.99 |
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256MB Rambus RIMM 711-45 ECC Samsung KMMR18R8GAC1-RK7 $2.01 |
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Elpida PC-800 RDRAM RIMM 128 MB MC-4R128FKE8D-845 ECC $14.99 |
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512MB (2 x 256MB) PC600 184-PIN ECC RAMBUS RDRAM RIMM WORKSTATION MEMORY RAM KIT $78.58 |
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MR10R162GAF-CK8 / Samsung PC-800 ECC RDRAM RIMM Rambus 512MB 184-pin / Used $14.90 |
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SAMSUNG PC1066-32P 512MB RIMM RAMBUS RDRAM ECC, TESTED $47.15 |
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1GB 2 x 512MB RDRAM Rambus Rimm 800-40 Samsung non ecc $64.95 |
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MR16R1624AFO-CM8 256MB RAMBUS RIMM 800-40 NON-ECC $15.99 |
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MR16R0828BN1-CK8 256MB RAMBUS RIMM 800-45 NON-ECC $15.99 |
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MR16R1624DF0-CM8 256MB RAMBUS RIMM 800-40 NON-ECC $15.99 |
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MR16R1624AF0-CK8 256MB RIMM RAMBUS 800-45 NON-ECC $15.99 |
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256MB Rambus RIMM 800-45 ECC Samsung MR18R082GBN1-CK8 DELL Dimension 8100 8200 $2.50 |
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256MB Rambus RIMM Smart P/N: PF254415-10 ECC-800 $2.55 |
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512MB SAMSUNG PC800-45 Non-ECC RDRAM RAMBUS RIMM TESTED $23.57 |
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Elpida 2 x 512MB (1GB TOTAL) RAMBUS PC800-45 ECC RIMM MC-4R512FKE8D-845 $49.99 |
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1GB Elpida PC800-45 RAMBUS RDRAM RIMM ECC, Tested $62.86 |
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Samsung MR18R1624DF0-CM8 128MB ECC RDRAM RIMM PC800-40 $12.16 |
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Samsung MR18R1624DF0-CM8 128MB ECC RDRAM RIMM PC800-40 (2 PCS) - NEW $14.39 |
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512MB 800-40 PC800 SAMSUNG MR18R162GEG0-CM8 RAMBUS RDRAM RIMM ECC Memory $39.27 |
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256MB Rambus RDRAM 800-45 Toshiba THMR2E8Z-8 RIMM ECC $12.99 |
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512MB 800-40 PC800 SAMSUNG MR18R162GEG0-CM8 RAMBUS RDRAM RIMM ECC Memory $39.27 |
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52x 128MB Samsung Rambus 800-45 ECC Memory RDRAM RIMM $142.99 |
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Elpida 512MB 2x 256MB RDRAM Rambus RIMM Memory RAM PC800 45NS ECC $19.99 |
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IBM 256MB PC800 8D ECC RIMM Memory 31P8434 $74.00 |
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