System Overview - American Megatrends Super Voyager PCI-II User Manual

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System Overview

The American Megatrends Super Voyager PCI-II 486 ISA motherboard has:
• 486 or upgrade CPU operating at up to 100 Mhz internally and 25 or 33 Mhz externally,
• Four ISA expansion slots, and
• three PCI expansion slots.
The motherboard conforms to the PCI Version 2.0 specification and uses the PCI local bus. IDE modes 0,
1, 2, 3 and 4 are supported on the PCI local bus. Up to four IDE drives can be connected to the
motherboard. The PCI slots operate synchronously with the CPU clock. The PCI bus frequency assignments
are:
The PCI bus frequency depends on the frequency of the CPU that is installed.
The PCI expansion slots are automatically configured by the onboard American Megatrends WINBIOS
system BIOS.
Motherboard Dimensions
The Super Voyager PCI-II 486 ISA motherboard is approximately 8½ inches wide by 10.3 inches long (the
mini Baby AT® motherboard size with similar mounting holes).
External CPU Speed
The Super Voyager PCI-II 486 ISA motherboard supports external CPU speeds of 25 MHz and 33 MHz.
The PCI bus is synchronous and runs at the same speed as the CPU external clock.
Super Voyager PCI-II 486 ISA Motherboard User's Guide
CPU Internal Clock Frequency
100, 66, or 33 MHz
75, 50, or 25 MHz
PCI Expansion Slots
Frequency
33 MHz
25 MHz
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