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BIOS Dumps from IBM 5150

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  by Bill Degnan - 06/14/2008 15:50
Using Debug commands, I have extracted three IBM PC 5150 BIOS versions.

http://www.vintagecomput...et/ibm/5150/BIOS_dumps/

The numbers associated with these files correspond to their IBM 5150 serial numbers. The silkscreen markings on the ROM chips are listed below (slashes separate each line).

0192562.BIN
S/N 0192562 (16/64K "A" Model)
U28 EMPTY
U29 5700019 / IBM 1981 / XE / 8220E NM
U30 5700027 / IBM 1981 / XE 8223B NM
U31 MK36905N-4 / 5700035 / 2A / IBM 1981 / D MALAYSIA / 8225
U32 5700043 / IBM 1981 / XE 8220E NM
U33 5700671 / IBM 1981 / XE8223B N M


0239462.BIN
S/N 0239462 (16/64K "A" Model)
U28 EMPTY
U29 5700019 / IBM 1981 / XE / 8231B NM
U30 5700027 / IBM 1981 / XE 8231A NM
U31 MK36905N-4 / 5700035 / IBM 1981 / MALAYSIA / 8231
U32 MK367284-4 / 5700043/ IBM 1981 / MALAYSIA / 8230
U33 AMI 8609 MAH / S68B364 / 1501476 / IBM CORP / 1981, 1983 / PHILIPPINES


1004872.BIN
S/N 10048725150 (64/256K "B" Model)
U28 EMPTY
U29 5000019 / AM92640PC / 34148 8347ZAP
U30 AM9264DPC34149 / 5000021 / 8413FPM / IBM 1981, 1983
U31 AM9264DPL34150 / 5000022 / 8411DPM / IBM 1981, 1983
U32 AM9264DPC34180 / 5000023 / 8406YPM / IBM 1981, 1982
U33 1501476 / AM9264DPC / 34146 8340ZPP

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