Restore your 1581 to full working order or complete your replica build with an authentic Commodore 1581 BIOS ROM.
This professionally programmed ROM contains the official 1581 firmware (v10), sourced from original Commodore images and verified for accuracy and reliability. Whether you're repairing an original 1581 drive, building a replica using a modern PCB, or troubleshooting flaky drive behavior, this BIOS ensures your system runs with the same logic and performance as the classic hardware intended.
Ideal for:
Replacement in aging or damaged 1581 drives
Use in replica builds (e.g., COREi64 PCB or other homebrew projects)
Technical troubleshooting and firmware comparison
Educational and preservation projects
Specifications:
Pre-programmed 27256 EPROM (or 28C256 EEPROM upon request)
Programmed with Commodore 1581 ROM v10 (latest official release)
Compatible with original and replica 1581 PCBs
Tested before shipping
Optional label included for authentic appearance
Shipping & Packaging:
Each ROM ships in an anti-static bag with protective padding. Boxed weight is negligible (under 4 oz). Shipped from the USA with tracking available.
Restore your 1581 to full working order or complete your replica build with an authentic Commodore 1581 BIOS ROM.
This professionally programmed ROM contains the official 1581 firmware (v10), sourced from original Commodore images and verified for accuracy and reliability. Whether you're repairing an original 1581 drive, building a replica using a modern PCB, or troubleshooting flaky drive behavior, this BIOS ensures your system runs with the same logic and performance as the classic hardware intended.
Ideal for:
Replacement in aging or damaged 1581 drives
Use in replica builds (e.g., COREi64 PCB or other homebrew projects)
Technical troubleshooting and firmware comparison
Educational and preservation projects
Specifications:
Pre-programmed 27256 EPROM (or 28C256 EEPROM upon request)
Programmed with Commodore 1581 ROM v10 (latest official release)
Compatible with original and replica 1581 PCBs
Tested before shipping
Optional label included for authentic appearance
Shipping & Packaging:
Each ROM ships in an anti-static bag with protective padding. Boxed weight is negligible (under 4 oz). Shipped from the USA with tracking available.
