• BABY 286 AT motherboard Suntac-62 chipset circa 1989.
• MINT Condition!
• Works flawlessly!
• We purchased this motherboard in May 1990 for our own production.
• Removed during a routine upgrade decades ago and has remained unused, packed in protected storage ever since.
• Our vintage stock# 31219.
• ZERO CORROSION.
• Socketed Dallas RTC has been modified with a modern CR2032 lithium battery — easy to replace, widely available and inexpensive.
• AMI BIOS dated 4/9/90:
  • Specially licensed and customized by AMI for this board.
  • Drive type 47 entry for user defined HDD parameters.
  • Built in diagnostics.
• AMD 286/12MHz CPU and original 1MB RAM with parity (expandable to 4MB).
• Memory above 640K can be set as either extended or EMS via switch.
• Turbo and slow processing modes selectable via jumper or switch.
  • The turbo mode is full speed, while the slow mode is closer to the speed of the original IBM-AT.
  • Some games need the slower speed to perform as expected.
• FULL PRINTED COPY OF ORIGINAL 34-PAGE MANUAL INCLUDED!
  • All jumper and DIP switch settings.
  • Complete board layout and designation of all chips
  • Block diagrams of system, chipsets and configurations
  • I/O channel signal descriptions and pin assignments
  • Pin-outs and signal descriptions of all headers
  • If you're a techie, you will love having all this information
• DIMENSIONS — 330mm x 220mm.
• 30 DAY WARRANTY.

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

Shipped via fast USPS Priority 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).

RETURNS:
• 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 of any issue so we can resolve the problem or work out an appropriate solution.
• I will provide a reasonable amount of technical assistance if you have questions concerning the configuration or proper use of the item.
• Buyer's remorse returns must be in original condition, in original packaging, and may be subject to a deduction to cover the cost of retesting.
• Generally, the original shipping cost will not be refunded.