Vintage Soyo 5TF2 i430HX AT Motherboard, PCI/ISA, up to P233MMX/256MB — TESTED For Sale

Rare Soyo 5TF2 Baby-AT c.1996
Socket-7 ISA/PCI, 256K WB cache, Intel-HX chipset and multi-I/O.
Sold without CPU and RAM so you can configure as you wish.
Supports up to Pentium 233MMX (tests performed with Pentium 233MMX).
• FSB = 50, 55, 60, 66 MHz.
• Multiplier = 1.5, 2.0, 2.5, 3.0, 3.5x.
• Voltage = 3.52, 3.3V single, and 2.9, 2.8 and 2.5V dual.
• Memory support: 2 or 4 sticks 72-pin EDO or FPM SIMM up to 256MB.
Includes printed copy of original manual + pclegacy cheatsheet.
Professionally tested with diagnostics and equipment specifically designed to test motherboards of this era.
sn. 694550

• Provenance: We purchased directly from Soyo for our computer production. Removed during a routine upgrade decades ago and has remained unused, packed in protected storage ever since.
• NO CORROSION.
• 430HX chipset — Intel's 'Big Daddy' chipset targeted for servers and high-end users.
• This was one of the most popular and reliable motherboards we ever sold.
• 256K write-back SDRAM cache with 64MB cacheable range.
  • The long brown slot is for optional cache expansion to 512K using a 256K Pipelined Burst SRAM COASt module.
• Latest Award BIOS TF-1114+ UNLOCKED (hidden options revealed and modifiable).
  
• Dallas RTC chip modified with easily replaceable CR2032 coin cell in enclosure.
  • Velcro dot allows enclosure to be attached anywhere convenient.
  • Fresh new CR2032 lithium cell installed.
  • Spare CR2032 included.
• Four 32-bit bus-master PCI slots, plus four 16-bit ISA slots give you the best of both worlds.
• 4-layer PCB 220 x 280mm.
• More info available here:
• A very clean and functional vintage motherboard great for anyone wanting to play around with vintage technologies or play retro DOS games.

You will receive exactly the item you see in the photos.

Shipped via USPS with full tracking.
(Shipping usually costs a good bit more than I am charging — I'm paying the rest)