Firmware

Since writing the PBI BIOS for the Ultimate 1MB and Incognito in 2012, I found myself increasingly focused on developing original and re-implemented firmware for hard disk host adapters, culminating in a ground-up re-write of the entire U1MB ROM firmware in 2015.

Ultimate_1MBUltimate 1MB BIOS, PBI BIOS and SIDE Loader

Alternative, completely rewritten firmware for the Ultimate 1MB. Includes configuration profiles, date/time settings, high-speed SIO driver, advanced hard disk control, and a high-speed XEX loader supporting multiple FAT partitions and recursive searching.

Incognito BIOS, PBI BIOS and SIDE Loader

Alternative, completely rewritten firmware for the Incognito. Includes configuration profiles, date/time settings, high-speed SIO driver, advanced hard disk control, and a high-speed XEX loader supporting multiple FAT partitions and recursive searching.

1088XEL Ultimate 1MB Firmware

Ultimate 1MB firmware at the heart of the exciting 1088XEL project. All the features of the U1MB firmware plus V-Gate control, support for dual XEL-CF adapters, and much more.

SIDE2_thmSIDE/SIDE2 XEX Loader

The alternative XEX loader found in the U1MB and Incognito firmware, in stand-alone SIDE/SIDE2 cartridge format. Boasts multiple FAT support, high-speed loading, and a powerful recursive search facility.

IDEa3_thmKMK/JZ IDEa APT BIOS

Bring your KMK/JZ IDEa hard disk host adapter into the APT age with this updated BIOS. Provides 100 per cent media compatibility with SIDE and Incognito.