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Originally posted by Jelc
Windows XP SP1/SP2 ima problema jer ne "vidi" više od 3.1 GB.
Barem kaj se tiče NF4 i XP kombinacije.
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Samo za info vlasnicima NF4.
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To nije direktno vezano s NF4 niti sa Windowsima nego sa svim PCI-E chipsetima. Te stvari su lijepo opisane i dokumentirane u Intelovim datasheetovima, sto za chipset, sto za ploce.
ftp://download.intel.com/design/moth...l/C6859901.pdf
The board utilizes 4 GB of addressable system memory. Typically the address space that is allocated for PCI Conventional bus add-in cards, PCI Express configuration space, BIOS (firmware hub), and chipset overhead resides above the top of DRAM (total system memory). On a system that has 4 GB of system memory installed, it is not possible to use all of the installed memory due to system address space being allocated for other system critical functions.
These functions include the following:
BIOS/firmware hub (2 MB)
Local APIC (19 MB)
Digital Media Interface (40 MB)
Front side bus interrupts (17 MB)
PCI Express configuration space (256 MB)
MCH base address registers, internal graphics ranges, PCI Express ports (up to 512 MB)
Memory-mapped I/O that is dynamically allocated for PCI Conventional and
PCI Express add-in cards
The amount of installed memory that can be used will vary based on add-in cards and BIOS settings.
To je breme PCI-E-a. No problem nastaje i na hardverskoj razini, gdje ti low end chipsetici jednostavno nisu u stanju na hardverskoj razini remapirati memoriju kolicine vece od 4GB, cak i ako je "podrzavaju" (tu onda uskacu te famozne ekstenzije, koje su u pravilu niskoristi). Tu je i faktor Windblowsi, no oni su najmanji problem.