American Megatrends Super Voyager LPX, Руководство пользователя

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Super Voyager LPX ISA Motherboard User's Guide
Description,
Continued
CPU Sockets
There are two CPU sockets: a PQFP and a ZIF socket. The ZIF socket is the
upgrade socket. If both the PQFP and ZIF sockets contain CPUs, the CPU in
the ZIF socket will be the active CPU. 486DX, 486SX, and SL Enhanced
486DX and 486SX CPUs can be used in the PQFP socket.
The Super Voyager LPX motherboard also will support future Intel processors with
internal write-back cache.
Programmable Crystal Oscillator
The Super Voyager LPX motherboard has a programmable crystal oscillator that
supports all possible motherboard frequencies.
Heat Sink
A heat sink is provided if the following CPUs are installed:
CPU Frequency
80486DX 50 MHz
80486DX2 50 MHz
80486DX2 66 MHz
80486DX4 66 MHz
75 MHz
100 MHz
Processor Speed
The Super Voyager LPX motherboard has two clock speeds: high and low. High
clock speed is factory-set to 25, 33, or 50 MHz. Low clock speed is achieved
by adding the appropriate number of software delays, depending on the speed
of the processor, and emulates an IBM® AT running at approximately 8
MHz. Speed selection is through the turbo switch or the keyboard. Press
<Ctrl> <Alt> <+> for high speed and <Ctrl> <Alt> <-> for low speed.