The Acer Altos 1200/1200LP Series uses SDRAM DIMM ECC REG PC133 133MHz, ECC REG PC100 100MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

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Memory Type SDRAM DIMM ECC REG PC133 133MHz, ECC REG PC100 100MHz
Base Memory 128MB (Removable)
Upgrade Slots 4 Sockets
Maximum Memory 4GB
Maximum Module Size 1GB
CPU & Chipset Intel Pentium III 1 GHz ServerWorks ServerSet III Intel Pentium III 1.26 GHz ServerWorks ServerSet III
Bus Architecture AGP; PCI
Part Number 11.1ERC3
100MHz 144pin CL3 Registered ECC
In Stock
$30.99
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Part Number 12.1ERC3
133MHz 144pin CL3 Registered ECC
In Stock
$37.99
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Part Number 11.2ERC3
100MHz 144pin CL3 Registered ECC
In Stock
$41.99
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Part Number 11.1ERC3H
100MHz 144pin CL3 Registered ECC
In Stock
$48.99
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Part Number 11.5ERC3
100MHz 144pin CL3 Registered ECC
In Stock
$55.99
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Part Number 12.5ERC3
133MHz 144pin CL3 Registered ECC
In Stock
$55.99
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Part Number 12.2ERC3
133MHz 144pin CL3 Registered ECC
In Stock
$57.99
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Part Number 12.1ERC3H
133MHz 144pin CL3 Registered ECC
In Stock
$59.99
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Part Number 11.2ERC3H
100MHz 144pin CL3 Registered ECC
In Stock
$67.99
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Part Number 11.2ERC3-2
100MHz 144pin CL3 Registered ECC
In Stock
$83.99
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Part Number 11.5ERC3H
100MHz 144pin CL3 Registered ECC
In Stock
$89.99
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Part Number 12.5ERC3H
133MHz 144pin CL3 Registered ECC
In Stock
$89.99
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Part Number 12.2ERC3H
133MHz 144pin CL3 Registered ECC
In Stock
$92.99
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Part Number 11.5ERC3-2
100MHz 144pin CL3 Registered ECC
In Stock
$111.99
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Part Number 12.5ERC3-2
133MHz 144pin CL3 Registered ECC
In Stock
$111.99
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Part Number 12.2ERC3-2
133MHz 144pin CL3 Registered ECC
In Stock
$114.99
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Part Number 111ERC3
100MHz 144pin CL3 Registered ECC
In Stock
$117.99
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Part Number 121ERC3
133MHz 144pin CL3 Registered ECC
In Stock
$123.99
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Part Number 11.2ERC3-2H
100MHz 144pin CL3 Registered ECC
In Stock
$134.99
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Part Number 11.5ERC3-2H
100MHz 144pin CL3 Registered ECC
In Stock
$179.99
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Part Number 12.5ERC3-2H
133MHz 144pin CL3 Registered ECC
In Stock
$179.99
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Part Number 12.2ERC3-2H
133MHz 144pin CL3 Registered ECC
In Stock
$184.99
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Part Number 111ERC3H
100MHz 144pin CL3 Registered ECC
In Stock
$189.99
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Part Number 121ERC3H
133MHz 144pin CL3 Registered ECC
In Stock
$199.99
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Part Number 11.5ERC3-2
100MHz 144pin CL3 Registered ECC
In Stock
$111.99
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Part Number 12.5ERC3-2
133MHz 144pin CL3 Registered ECC
In Stock
$111.99
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Part Number 111ERC3
100MHz 144pin CL3 Registered ECC
In Stock
$117.99
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Part Number 121ERC3
133MHz 144pin CL3 Registered ECC
In Stock
$123.99
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Part Number 11.5ERC3-2H
100MHz 144pin CL3 Registered ECC
In Stock
$179.99
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Part Number 12.5ERC3-2H
133MHz 144pin CL3 Registered ECC
In Stock
$179.99
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Part Number 111ERC3H
100MHz 144pin CL3 Registered ECC
In Stock
$189.99
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Part Number 121ERC3H
133MHz 144pin CL3 Registered ECC
In Stock
$199.99
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Part Number 11.5ERC3
100MHz 144pin CL3 Registered ECC
In Stock
$55.99
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Part Number 12.5ERC3
133MHz 144pin CL3 Registered ECC
In Stock
$55.99
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Part Number 11.2ERC3-2
100MHz 144pin CL3 Registered ECC
In Stock
$83.99
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Part Number 11.5ERC3H
100MHz 144pin CL3 Registered ECC
In Stock
$89.99
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Part Number 12.5ERC3H
133MHz 144pin CL3 Registered ECC
In Stock
$89.99
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Part Number 12.2ERC3-2
133MHz 144pin CL3 Registered ECC
In Stock
$114.99
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Part Number 11.2ERC3-2H
100MHz 144pin CL3 Registered ECC
In Stock
$134.99
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Part Number 12.2ERC3-2H
133MHz 144pin CL3 Registered ECC
In Stock
$184.99
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Part Number 11.2ERC3
100MHz 144pin CL3 Registered ECC
In Stock
$41.99
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Part Number 12.2ERC3
133MHz 144pin CL3 Registered ECC
In Stock
$57.99
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Part Number 11.2ERC3H
100MHz 144pin CL3 Registered ECC
In Stock
$67.99
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Part Number 12.2ERC3H
133MHz 144pin CL3 Registered ECC
In Stock
$92.99
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Part Number 11.1ERC3
100MHz 144pin CL3 Registered ECC
In Stock
$30.99
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Part Number 12.1ERC3
133MHz 144pin CL3 Registered ECC
In Stock
$37.99
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Part Number 11.1ERC3H
100MHz 144pin CL3 Registered ECC
In Stock
$48.99
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Part Number 12.1ERC3H
133MHz 144pin CL3 Registered ECC
In Stock
$59.99
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Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
D6472A31 512MB SDRAM PC133 133MHz ECC REG SODIMM Kingston 12.5ERC3
D872A31L 64MB Low Profile Reg ECC Module Kingston
D1672A31L 128MB SDRAM PC133 133MHz ECC REG SODIMM Kingston 12.1ERC3
D3272A31L 256MB SDRAM PC100 100MHz ECC REG SODIMM Kingston 11.2ERC3
D12872A31L 1GB SDRAM PC133 133MHz ECC REG SODIMM Kingston 121ERC3