Asus P5B Premium Vista P5B Premium Quick Installation Guide - Page 42
P5B Premium Series Motherboard Qualified Vendors Lists QVL
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• If you install four 1 GB memory modules, the system may detect less than 3 GB of total memory because of address space allocation for other critical functions. This limitation applies to Windows XP 32-bit version operating system since it does not support PAE (Physical Address Extention) mode. • If you install Windows XP 32-bit version operating system, we recommend that you install less than 3GB of total memory. Notes on memory limitations • Due to chipset limitation, this motherboard can only support up to 8 GB on the operating systems listed below. You may install a maximum of 2 GB DIMMs on each slot, but only DDR2-533 and DDR2-667 2 GB density modules are available for this configuration. 32-bit Windows 2000 Advanced Server 64-bit Windows XP Professional x64 Edition Windows Vista x64 Edition • Some old-version DDR2-800/667 DIMMs may not match Intel®'s On‑Die‑Termination (ODT) requirement and will automatically downgrade to run at DDR2-533. If this happens, contact your memory vendor to check the ODT value. • Due to chipset limitation, DDR2-800 with CL=4 will be downgraded to run at DDR2-667 by default setting. If you want to operate with lower latency, adjust the memory timing manually. • Due to chipset limitation, DDR2-667 with CL=3 will be downgraded to run at DDR2-533 by default setting. If you want to operate with lower latency, adjust the memory timing manually. P5B Premium Series Motherboard Qualified Vendors Lists (QVL) DDR2-800MHz capability Size Vendor Chip No. 512MB 1024MB 1024MB 1024MB 2048MB 512MB 256MB 512MB 1024MB 512MB 256MB 512MB 1024MB 512MB KINGSTON KINGSTON KINGSTON KINGSTON KINGSTON Qimonda Qimonda Qimonda Qimonda SAMSUNG SAMSUNG SAMSUNG SAMSUNG Hynix K4T51083QC K4T51083QC Heat-Sink Package Heat-Sink Package Heat-Sink Package HYB18T256800AF25F HYB18T512160BF25F HYB18T512800BF25F HYB18T512800BF25F EDD339XX K4T51163QC-ZCE7 ZCE7K4T51083QC ZCE7K4T51083QC HY5PS12821BFP-S5 SS/ DS Part No. SS KVR800D2N5/512 DS KVR800D2N5/1G DS KHX6400D2LL/1G SS KHX6400D2LLK2/1GN DS KHX6400D2K2/2G DS HYS64T64020HU-25F-A SS HYS64T32000HU-25F-B SS HYS64T64000HU-25F-B DS HYS64T128020HU-25F-B SS M378T6553CZ3-CE7 SS M378T3354CZ3-CE7 SS M378T6553CZ3-CE7 DS M378T2953CZ3-CE7 SS HYMP564U64BP8-S5 DIMM support A* B* C* vvv vvv vvv vvv vvv vvv vvv vvv vvv vvv vvv vvv vvv vvv 2-14 Chapter 2: Hardware information