Chapter 5: Advanced Serverboard Setup
Possible System Memory Allocation & Availability
System Device | Size | Physical Memory Available | |
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| (4 GB Total System |
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| Memory) |
Firmware Hub flash memory (System BIOS) | 1 MB | 3.99 GB | |
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Local APIC | 4 | KB | 3.99 GB |
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Area Reserved for the chipset | 2 | MB | 3.99 GB |
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I/O APIC (4 Kbytes) | 4 | KB | 3.99 GB |
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PCI Enumeration Area 1 | 256 MB | 3.76 GB | |
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PCI Express (256 MB) | 256 MB | 3.51 GB | |
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PCI Enumeration Area 2 (if needed) | 512 MB | 3.01 GB | |
boundary- |
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VGA Memory | 16 MB | 2.85 GB | |
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TSEG | 1 MB | 2.84 GB | |
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Memory available for the OS & other applications |
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| 2.84 GB |
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