American Megatrends Atlas PCI-II, User Manual

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Appendix A Specifications 79
A Specifications
Item Description
CPU Intel Pentium 75, 90, 100, 120, 133 MHz, or higher
3.3V CPU
Expansion slots Four ISA expansion slots
Four PCI expansion slots
L1 internal
cache memory
The Intel Pentium has 8 KB data cache and 8 KB
instruction cache.
L2 Secondary
Cache memory
256 KB, 512 KB or 1 MB. 256 KB surface-mount
SRAM DIPs.
Cache Memory
/System memory
256 KB caches up to 64 MB of system memory
512 KB caches up to 128 MB of system memory
1 MB
caches up to 256 MB of system memory
Type of SRAM Secondary cache memory supported either
through surface-mount SRAM
DIPs or cache
memory module.
System memory Fast page mode or Extended Data Out (EDO)
SIMMs operating at 70 ns.
Memory Buffer One level posted write memory buffer
Max. system
memory
256 MB
Fast ATA Supports the Fast ATA specification using PIO
mode 4 and multiword DMA mode 2.
System BIOS This motherboard has a 128 KB AMIBIOS system
BIOS located on a Flash EEPROM with built-in
WINBIOS Setup.
BIOS
Shadowing
The system BIOS is always copied from ROM to
RAM for faster execution. The end user can
shadow 16 KB ROM segments from C000h –
DCFFFh.