Pentium MMX VXPro+ ISA/PCI
The diagrams below show the layout and Jumper configuration of the
VX Pro+ Motherboard, if you intend making any changes to your motherboard
please read and check the voltage settings are correct and that you are
not running your system at above the recommended clock speed as this can
result in system instability.
Features
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VXPro+ Pentium Chipset.
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Supports 75 - 233 MHz Pentium CPUs with 321 Pin ZIF Socket.
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Supports Pentium P54C and P55C, IBM/Cyrix 6x86, 6x86 MX(M2), and AMD
K5/K6, IDT C6.
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Supports 64M-bit (16Mx4, 8Mx8, 4Mx16) Technology DRAM/SDRAM.
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Switching power to provide CPU core voltage from 2.5V to 3.5V.
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Uses 4 x 72 Pin EDO/Page Mode SIMM modules autobanking in multiple configuration
up to 256Mb.
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Provides 2 x 168 Pin DIMM to support SDRAM/EDO DRAM/Page Mode DRAM-supports
"Table Free" configuration so tha DIMM and SIMM can be installed in any
combination up to 384Mb, except that SIMM 1, 2 and DIMM 2 can not be installed
at the same time.
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Supports 512KB onboard Pipelined Burst Synchronous cache.
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Three 16 bit ISA Bus slots and four PCI Local Bus slots - all four
PCI slots support master mode.
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System BIOS supports four IDE hard drives - without driver for S/W
application and the capacity tof each hard drive can be larger than 528Mb
(up to 8.4Gb).
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Onboard PCI Bus Master IDE interface with two connectors - supports
four IDE devices in 2 channels the PCI IDE Controller also supports
PIO Mode 0 and Mode 4 at maximum transfer rate of 16.67Mb/s and Bus Master
IDE DMA Mode 2.
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Onboard Super Multi I/O supports 2 x serial ports (with 16550 Uart),
one parallel port with EPP and ECP capabilities and one floppy drive interface.
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Supports PS/2 mouse and the Universal Serial Bus (USB).
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System BIOS supports NCR810 SCSI BIOS firmware, green feature function,
"Plug & Play" and Flash ROM.
