Version 0.8.8 Update - 2025-07-07
Changelog:
- Add support for MSM58321, Epson/Seiko RTC-58321/58323 (Boca IO/XT22)
- Set day of week counter for AT, NS and RP
- Remove workaround for 86Box (>= 4.2.1 no longer needed)
ROM images
| Supported RTCs |
Ports / Addresses |
Used by |
| MM58167, RP5C15 |
2C0H, 240H, 340H |
SixPakPlus, many clone _8167-based I/O boards |
| MSM-5832, MSM-6242 |
2C0H, 313H, 213H |
Intel Above Board, Quadram, DTK PII-125, clone MSM-6242 boards |
| DS12x85, MC146818 |
70H, 240H, 2C0H |
RTC 8088, micro_8088/NuXT, AT/CMOS compatibles |
| DS12x85, MC146818 |
240H, 2C0H |
RTC 8088 or systems where port 70h is unavailable |
| Tecmar MM58167 |
2C0H, 37DH, 27DH, 240H, 340H |
Tecmar Captain |
| DS1216, DS1315 |
F600H-FE00H |
SmartWatch "No slot" ROM socket clock |
| DS1216, DS1315 |
C000H-FE00H |
SmartWatch "No slot" ROM socket clock |
| MSM58321 |
02C0H |
Boca IO/XT22 |
| MSM58321 |
02C0H |
Boca IO/XT22 (12 hour AM/PM display) |
86Box ROM images
Compatible with 86Box's ISA RTC Time synchronization.
