My Vintage Computer Virtual Museum and blog page.

Generic 486 (Workbench PC)

My Generic 486 (built in its current form in 2017)

  • AMD 5×86-133 (in PCChips M919 motherboard)
  • 64MB RAM
  • 256k Cache module (not standard COAST, unique to M919)
  • AHA-1522A SCSI Card
  • 2GB Sandisk Extreme III Compact Flash
  • PD/CD-Rom drive (kind of a precursor to CD-R and DVD-RAM)
  • 5.25″ 360K floppy (used for disk imaging)
  • 3.5″ 1.44MB floppy
  • iomega Zip 100
  • Sound Blaster 16 (CT4170)
  • 3C509 10Base-T NIC
  • 1MB VLB Video card
  • Windows 95

PCChips may be infamous for cheating people on cache memory, and general cheapness, but the M919 is probably one of the most overclockable 486 boards out there.  I will be testing a few different CPUs in this, an AMD 5×86 133, a Cyrix 5×86 100GP, and a Pentium Overdrive 83, I plan to see which one runs the fastest, I am betting the Cyrix with it’s cache and branch prediction might edge out the win, at stock speeds, but I bet the AMD wins on overclocking, not really sure how the POD will perform.

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