X-Nico

unusual facts about IBM XT



Intel 8237

It was used as the DMA controller in the original IBM PC and IBM XT.

Seagate Technology

The hard disk, which used a Modified Frequency Modulation (MFM) encoding, was a hit, and was later released in a 10-megabyte version, the ST-412, with which Seagate secured a contract as a major OEM supplier for the IBM XT, IBM's first personal computer to contain a hard disk.


see also