Also known as:

• Unknown 386IS-B-6-2
• Escom bigtower model

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:

Some settings are known: J14 J15 J16 8 MHz: On On On 20 MHz: On On Off 25 MHz: On Off On 40 MHz: On Off Off 33 MHz: Off On On 50 MHz: Off On Off 4 MHz: Off Off On 2 MHz: Off Off Off