XT-IDE (rev 4.1) 8 Bit ISA IDE card-KIT
XT-IDE rev 4.1 disk controllers (part number BLS-XT-IDE-4.1-KIT). disk controller, used for interfacing newer IDE drives, industrial Flash modules, DOMs, and CompactFlash cards (with an adapter, not included) to 8-bit ISA computers. They can also be used with 16-bit ISA systems, and have been tested in machines ranging from the original IBM 5150 PC through 1 GHz Pentium 3 industrial machines.
This controller is built with new made, high quality PC board with the following features:
- Standard 0.062″ thickness FR4 substrate
- gold plated edge connector
- 45 degree edge chamfer for easier card insertion
- All components and settings described in silkscreen legend
- Jumper pads for easier installation of Slot 8 Support module
- Delay chains for improved ATA drive compatibility
- Fully open source — board schematics and layout available on GitHub
Boards are shipped with the following configuration:
- I/O Address: 0x300
- EEPROM Address: 0xD0000
- J1/J2 set for Compatibility Mode
- XT-IDE Universal BIOS v2.0.0 pre-programmed in EEPROM
- J4 Open for IDE pin 20 power
- AT28C64B 8K EEPROM
The above settings will work with the majority of systems in which the XT-IDE can be used.

