Also known as:

• TANDON CORPORATION IPU4005-1024
• TANDON CORPORATION PEGASUS MAIN PROCESSOR BOARD
• TANDON CORPORATION PCBA 199140-002

Known issues:

• Leaky Ni-Cd clock battery

The Ni-Cd battery may be leaking, risking damage to PCB layers & nearby components. Promptly remove the battery & clean corrosion/alkaline salts from the board. Use white vinegar to dissolve salts, but exercise caution as vinegar can corrode exposed metals. A thorough examination & repair may be needed. Replace battery with guide: https://github.com/wiretap-retro/Not-A-Varta

Notes:

This board looks AT but will not fit. The Keyboard port has the wrong offset.
The PSU pinout is non-standard. It does not require -5V, it is generated onboard. -mR_Slug
The slots are on a seperate riser board that is mounted horizontally.
The floppy connector is on the edge of the board is appears to be Tandon-specific as well.