Also known as:

• ABit AB-PW4T

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:

To disable the charging circuit when installing a coin cell holder, remove R36.

The pluggable resistor networks are 0 ohms and are in isolated configuration (e.g. 1-2 3-4 5-6 7-8)