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For those who would like to replace a broken FD in the 8753ES, here is some information I found in my files. I have replaced several of the Teac floppy drives over the years. I found my notes, no guarantee that the information is entirely correct. It appears to me that all Teac FD-05HF drives are pretty much the same thing except for things like bezels and doors. Variants can be black with a blue eject button, or various shades of gray and beige. On the 8753ES and E, there is also a plastic filler part which is not part of the FD. The 8753D may be different. There are also versions which are configured differently at the Teac factory, but that may be something anyone can do. So, I think those numbers and letters after FD-05HF refer to plastic parts and possibly some configuration setting, perhaps a jumper - I don't recall if there is one.
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There is also a family of drives called FD-05HG. As far as I could determine, the HG version is a superset of the FD-05HF. One difference is that the HG can be configured for 300 or 360 RPM. This is done with a jumper, pin 13.
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For those who are replacing the FD with an emulator, make sure that the emulator can be used to back up the EEPROM and also for loading the firmware.
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I also found a list of HP products which used the Teac FD. It looks like I got this off the HP/A/K parts finder page.
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Vladan
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Products using part 0950-2782 (8753ES)
? ? 1660E
? ? 1660EP
? ? 1660ES
? ? 1661E
? ? 1661EP
? ? 1661ES
? ? 1662E
? ? 1662EP
? ? 1662ES
? ? 1663E
? ? 1663EP
? ? 1663ES
? ? 16700B
? ? 16701B
? ? 16702B
? ? 1670E
? ? 1670G
? ? 1671E
? ? 1671G
? ? 1672E
? ? 1672G
? ? 1673G
? ? 1680A
? ? 1680AD
? ? 4156B
? ? 4287A
? ? 54621A
? ? 54621A-003
? ? 54621D
? ? 54621D-003
? ? 54622A
? ? 54622A-003
? ? 54622D
? ? 54622D-003
? ? 54624A
? ? 54624A-003
? ? 54835A
? ? 54853A
? ? 54854A
? ? 54855A
? ? 8164A
? ? 8164B
? ? 84105EM
? ? 85070M
? ? 8510C
? ? 85301B
? ? 86037A
? ? 86037B
? ? 86037C
? ? 86082A
? ? 86121A
? ? 86140A
? ? 86140B
? ? 86141B
? ? 86142A
? ? 86143A
? ? 86143B
? ? 86144B
? ? 86145A
? ? 86145B
? ? 8702D
? ? 8702E
? ? 8719D
? ? 8719ES
? ? 8719ET
? ? 8720D
? ? 8720ES
? ? 8720ET
? ? 8722D
? ? 8722ES
? ? 8722ET
? ? 8753D
? ? 8753E
? ? 8753ES
? ? 8753ET
? ? E4401B
? ? E4402B
? ? E4403B
? ? E4404B
? ? E4405B
? ? E4406A
? ? E4407B
? ? E4407S
? ? E4408B
? ? E4411B
? ? E4440A
? ? E4991A
? ? E5100A
? ? E5100B
? ? E5501A
? ? E5501B
? ? E5502B
? ? E5503A
? ? E5503B
? ? E5504A
? ? E5504B
? ? E6000C
? ? E6001A
? ? E6002A
? ? E6004A
? ? E6020A
? ? E7401A
? ? E7402A
? ? E7403A
? ? E7404A
? ? E7405A
? ? E8356A
? ? E8357A
? ? E8358A
? ? E8361A
? ? E8361AH17
? ? E8362A
? ? E8362B
? ? E8363A
? ? E8363B
? ? E8364A
? ? E8364B
? ? E8801A
? ? E8802A
? ? E8803A
? ? N1881A-E22
? ? N1881A-E23
? ? N1881A-E29
? ? N3381A
? ? N3382A
? ? N3383A
? ? N4901B
? ? N4902B
? ? N4903A
? ? N4906B
? ? N5230A
? ? N8972A
? ? N8973A
? ? N8974A
? ? N8975A
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