IBM MK36904N-4 5700027
IBM PC MK36905N-4 5700035
IBM 5700043
IBM MK36C35N-4 IBM PC ROM BIOS Kit?, upgrades the original IBM PC to an XT?
IBM XE 5000023
IBM MK36887N-4 5700671
IBM MK36748N 5700019
5000021 AM9264DPC 34149 8350VPP
AM9264DPC34150 5000022 8407ZPM
IBM AM9264DPC34148 5000019 8427JMM