PC164SX

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File:164SX.jpg
AlphaPC164SX

The PC164SX is an ATX form factor motherboard released in 1997.

Hardware

  • 533 MHz PCA56 CPU
  • 1 MB external L2 cache
  • 21174-CA chipset
  • 4x 168-pin 100 MHz unbuffered SDRAM DIMM (see below)
  • 2x 33 MHz 64-bit PCI slots
  • 2x 33 MHz 32-bit PCI slots
  • 2x ISA slots
  • Cypress CY82C693U-NC EIDE controller and ISA bridge
  • SMSC FDC37C669 Super I/O controller
  • Floppy disk controller
  • PS/2 keyboard and mouse
  • 2x RS232
  • 1x Parallel port

Memory

Both 64-bit and 72-bit (ECC) 100 MHz SDRAM modules are supported and must be installed in pairs. Modules up to 128 MB are officially supported, but some 256 MB modules work in reality. The following table lists some RAM modules known to work or not work with the 164SX board.

Vendor Part # Size Chip # Works
Kingston KVR133X64C3Q/256 256MB D1608SV1R-75 Yes
Unknown 2910103282 256MB S80016LK7TW-75AD Yes
Unknown Unknown 128MB 48LC8M8B4-8E Yes
Kingston KVR133X72C3/256 256MB HYB39S256800DT-7 No
Acer 71.85325.111 256MB HYB39S256800CT-7.5 No

CPU Fan

File:PC164SX fan sensor.png
Fan sensor adaptor circuit

The PC164SX requires a CPU fan with rotation sensor. Most standard PC fans are not capable of driving the motherboard sensor input directly, so an adaptor must be used.


External Links