Tuesday 17 March 2015

Intel E139761 Pentium Pro Motherboard Information

Intel lists three motherboards with the Pentium Pro processor.


According to both Intel and Underwriters Laboratories, E139761 is the UL File Number for Intel motherboards. This number does not designate a particular motherboard model.


Pentium Pro


The Pentium Pro or P6 was a processor that Intel introduced in the first quarter of 1995. The clock speed of the Pentium Pro processors ranged from 150MHz to 200MHz. The front side bus speed ranged from 60MHz to 66MHz. The level two cache size for these processors was either 256KB or 512KB. Pentium Pro processors are no longer available from Intel. Furthermore, Intel no longer provides support for these products.


Intel Pentium Pro Motherboards


Intel lists three motherboards with Pentium Pro Processors: VS440FX, AP440FX and PR440FX. These motherboards have been discontinued by Intel and Intel no longer provides support for them.


Form Factor


The VS440FX and PR440FX were standard ATX desktop form factor motherboards. The AP440FX was an LPX (low profile extension) form factor, measuring nine by thirteen inches.


Memory


The AP440FX had four sockets for SIMMs (single inline memory modules) and could support up to 128MB of EDO or FPM RAM. The VS440FX had four SIMM sockets and could support up to 256MB of FPM or EDO RAM. The PR440FX had four sockets for DIMMs (dual inline memory modules) and could support up to 512MB of EDO RAM.

Tags: could support, four sockets, inline memory, inline memory modules, Intel lists, Intel lists three