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American seller member for over 20 years. RARE Soyo 5TF2 Socket-7 Baby-AT Motherboard Intel 430HX (Triton-II) chipset, Intel's most advanced Pentium chipset Multi-I/O — 1P/2S/FDD/IDE and PS/2 mouse Updated to latest Award BIOS (v1114) Manufactured July 1996 sn. 413520 Fully Tested with 30 day warranty against defects - We purchased Soyo motherboards directly from Soyo for our own PC production during this period.
- This board was removed during a routine upgrade decades ago and has remained unused, packed in protected storage ever since.
- This was one of the most popular and most reliable motherboards we ever sold.
- Fully tested using Ultra-X professional diagnostics (see test results attached).
- Sold without CPU and RAM so you can configure as you wish.
- Supports Pentium processors 75-200MHz, AMD-K4 PR75-PR200 and Cyrix 6x86 PR90-PR166.
- FSB - 50, 55, 60 and 66MHz
- Multipliers - 1.5, 2.0, 2.5 and 3.0x
- Core - 3.3v and 3.52v (this version supports single voltage processors only).
- Supports up to 256MB of 72-pin SIMMs, EDO or FPM, parity or non-parity.
- 256K write-back SDRAM cache with 64MB cacheable range.
- In case you're wondering, the long brown slot is for optional cache expansion to 512K using a 256K Pipelined Burst SRAM COASt module.
- Perpetual Dallas RTC — uses the highly reliable Dallas RTC with embedded lithium battery.
- This Dallas RTC chip has been modified to accept the easily replaceable modern CR2032 cell.
- (Note: this modified Dallas RTC chip by itself is worth $30)
- Option: A freshly manufactured Dallas RTC chip can be installed if you prefer. It has a guaranteed life of 10 years but the embedded battery is non-replaceable. Chip itself is socketed and easily replaceable. Request this on your order.
- NO CORROSION (Dallas RTC/batteries did not leak so there was no risk of corrosion).
- 4-layer PCB 220mm x 280mm.
- Four 32-bit bus-master PCI slots, plus four 16-bit ISA slots give you the best of both worlds.
- Headers: FDD, 2xIDE, Parallel, 2xSerial, and PS/2 mouse (cables not included).
- Printed copy of original manual included.
- Additional manuals, jumper settings, info available here:
not included - 30 day warranty.
You will receive exactly the item you see in the photos. Shipped via fast USPS Priority Mail with full tracking. Shipped from a USPS SCF (Sectional Center Facility) so delivery anywhere within the U.S. is only a few days away (excluding the occasional USPS misdirect). Photos are the of the exact item you will receive. NOTES ON TESTING : • All low-level core functions tested with Ultra-X professional diagnostic software specifically designed to test these early motherboards. • Tests included a burn-in loop of more than 10 minutes (see attached report for list of tests performed). • Memory slots fully populated to test all memory slots. • Serial and parallel ports tested using internal loop-back function. • For practical reasons I cannot test every slot, every memory combination, every processor, every header, every port, every configuration, etc. • Sold with 30 Day Warranty — If the board fails or a defect is found within 30 days of purchase, I will stand behind the product. Please contact me with details and we will resolve the problem or work out an appropriate solution. • Please contact me if you encounter any issues or have questions. ![Buy Now Buy Now](buy.gif)
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