Lo-tech 1MB Memory Board for 8-Bit XT PCs / Clones

The top 384k is typically reserved for BIOS, leaving the lower 640k available for applications. It is possible it may work in later systems to a degree, but it would cripple performance as the data bus is limited to 8 bits.

Lo-tech 1MB Memory Board for 8-Bit XT PCs / Clones

The top 384k is typically reserved for BIOS, leaving the lower 640k available for applications. It is possible it may work in later systems to a degree, but it would cripple performance as the data bus is limited to 8 bits.

Lo-tech 1MB Memory Board for 8-Bit XT PCs / Clones

The top 384k is typically reserved for BIOS, leaving the lower 640k available for applications. It is possible it may work in later systems to a degree, but it would cripple performance as the data bus is limited to 8 bits.

Lo-tech 1MB Memory Board for 8-Bit XT PCs / Clones

The top 384k is typically reserved for BIOS, leaving the lower 640k available for applications. It is possible it may work in later systems to a degree, but it would cripple performance as the data bus is limited to 8 bits.

Lo-tech 1MB Memory Board for 8-Bit XT PCs / Clones

The top 384k is typically reserved for BIOS, leaving the lower 640k available for applications. It is possible it may work in later systems to a degree, but it would cripple performance as the data bus is limited to 8 bits.