American Megatrends MegaPlex II, Системное руководство

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Megaplex Quad Pentium II Xeon PCI ISA System Guide 2
Features,
Continued
Cache Memory The Megaplex system provides 1 MB of cache memory internal to each Pentium
II Xeon CPU.
ISA Expansion The Megaplex motherboard includes two ISA expansion slots. Both expansion
slots can handle full-length ISA adapter cards.
PCI Local Bus The Megaplex motherboard has twelve PCI expansion slots, eight 32-bit and
four 64-bit. The 32-bit slots are on two peer PCI buses provided by the first PXB
(PCI Expander Bridge), while the 64-bit slots are on another independent PCI
bus provided by the second PXB. All PCI slots are bus master slots. All PCI
expansion slots can handle full-length PCI adapter cards.
Integrated I/O The Megaplex motherboard provides the following integrated I/O:
•
one bidirectional parallel port that operates in Normal, EPP, or ECP mode,
•
a VGA connector,
•
two serial port connectors with 16550A UARTs,
•
one floppy drive controller with support for 360 KB, 720 KB, 1.2 MB, 1.44
MB, and 2.88 MB floppy drives,
•
dual channel Ultra DMA IDE ATA/33 support,
•
two USB port connectors, and
•
a standard 2-in-1 connector assembly for PS/2 keyboard and PS/2 mouse.
Cont’d