Please ask for combined shipping at checkout if buying multiple items.

This EPROM will come blank by default. If you want it to come programmed, you can send me a ROM image of your choice, or select from the following:

Please request via "Add Note" at checkout.

• HD Floppy BIOS (not recommended.You won't be able to change drive types. Ensure you specify what drive types for drive 1 and 2 you want programmed)
• XT-IDE Universal BIOS

If choosing to include a ROM programmed with XT-IDE BIOS, you must specify in the checkout notes, what configuration you'd like. If you do not specify, it will come configured for 16-bit ISA interface at port 1F0 (for 286 and up).
You cannot change the configuration without a UV eraser and EPROM programmer.

Some possible XT-IDE BIOS Controller Types:

• 16-bit IDE Interface (on a MultiIO or Sound card) (Primary (1F0), Secondary (170), Other)
• 32-bit VLB/PCI IDE Interface (Primary (1F0), Secondary (170), Other)
• 16-bit IDE interface in 8-bit mode (for CF card adapter only) (Primary (1F0), Secondary (170), Other)
• XT-IDE Interface in Compatibility mode (usually port 300)
• XT-IDE Interface in High-Speed mode (usually port 300)
  
• XT-CF Interface (usually port 300)
• Most of the above support higher speed at the expense of higher minimum CPU requirement, such as 186/V20, 286, 386.