Changes
The [[Vortex Disc Drives|Vortex disc interface]] uses other ports. See its dedicated wiki page.
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== FDD Block Diagram ==
[[File:Floppy Disk Drive - Block Diagram.png|700px]]
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== IC Models used in CPC ==
More than one manufacturer made 765 compatible ICs. These are the ones known to be used in the CPC by looking at pictures of CPC mainboards.
All should operate almost identically.
* NEC D765AC [https://www.cpcwiki.eu/imgs/3/3c/CPC664_Z70205_MC0005B_PCB_Top.jpg Source]
* NEC D765AC-2 [https://www.cpcwiki.eu/imgs/4/45/CPC6128_PCB_Top_%28Z70210_MC0009A%29.jpg Source]
* UMC UM8272A [[Media:Amstrad cpc 6128 azerty (f) placa2.jpg|Source]]
* Zilog Z765APS [https://www.cpcwiki.eu/imgs/f/fb/CPC6128_Z70290_MC0020C_PCB_Top.jpg Source]
* [[Zilog]] Z0765A08PSC [https://www.cpcwiki.eu/imgs/6/67/CPC6128_PCB_Top_%28Z70290_MC0020F%29.jpg Source]
The following data seperators are used:
* FDC9216 [https://www.cpcwiki.eu/imgs/4/45/CPC6128_PCB_Top_%28Z70210_MC0009A%29.jpg Source]
* SED9420C [https://www.cpcwiki.eu/imgs/3/3c/CPC6128_PCB_Top_%28Z70290_MC0020A%29.jpg Source]
The CPC464, CPC472, 464 Plus and GX4000 are not equipped with a FDC chip.
All the floppy disk drive models used by Amstrad are referenced here: [https://www.cpcwiki.eu/index.php/Amstrad_FDD_part Amstrad FDD part]
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