Macintosh Floppy Drive Maintenance: Difference between revisions
cite Apple's external floppy drive Service Source volumes inline (P4 orphan fix) |
P4 verification: cite the hosted HDI-20 volume, Apple's DuoDisk/UniDisk procedures and Pina's drive chapter |
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== Apple's own drive manuals on this wiki == | == Apple's own drive manuals on this wiki == | ||
* '''[[Macintosh HDI-20 1.4 MB Drive Service Source]]''' — the HDI-20 external drive, 18 pages, | |||
'''Troubleshooting and Take Apart only'''. Apple printed no specifications chapter for it at all, | |||
so there is no capacity, data rate or current figure in it; what it does carry is the removal of | |||
the '''cable interface board''' and the HDI-20 external cable. | |||
* '''[[Service Support Tranning Programs Laserwriter Technical Procedures Jan 1985]]''' — contains | |||
Apple's DuoDisk and UniDisk technical procedures, with the '''DuoDisk chip-swapping chart''' and | |||
both illustrated parts lists.<ref name="lwtp85">Apple Computer, ''Apple LaserWriter Printer Technical Procedures'', preliminary version for internal use only, sections stamped rev. Jan 85 and rev. Feb 85. Held on this wiki inside the Service Support Training Programs binder scan, described at [[Service Support Tranning Programs Laserwriter Technical Procedures Jan 1985]] ([[:File:Service_Support_Tranning_Programs_Laserwriter_Technical_Procedures_Jan_1985.pdf]]).</ref> | |||
* '''[[Macintosh II Repair and Upgrade Secrets]]''' — Larry Pina's chapter 8 covers 400K, 800K and | |||
1.4 MB drives, formatting rules, building an external drive adapter, fitting a second internal | |||
drive, the FDHD/ROM upgrade and 800K drive troubleshooting. Secondary source. | |||
* [[Apple 3.5 Drive Service Source]] - the only Apple external floppy volume with a full Specifications chapter, and therefore the source for the 800K mechanism's seek, settle, startup and current figures. | * [[Apple 3.5 Drive Service Source]] - the only Apple external floppy volume with a full Specifications chapter, and therefore the source for the 800K mechanism's seek, settle, startup and current figures. | ||
* [[Apple SuperDrive/HDI-20 Service Source]] - the symptom chart for the external 1.4 MB drive.<ref name="sssuperfdm">''Apple SuperDrive'', Apple ''Service Source'', 21 pages - hosted on this wiki as [[Apple SuperDrive/HDI-20 Service Source]]. Its symptom chart is the only one Apple published for an external Apple floppy drive, and it records two normal behaviours that get misdiagnosed: an MS-DOS machine will not read a disk formatted on a 1.4 MB SuperDrive unless the disk was formatted on the MS-DOS drive first, and a drive that handles 800K media but refuses high-density disks is usually an 800K drive rather than a faulty SuperDrive.</ref> | * [[Apple SuperDrive/HDI-20 Service Source]] - the symptom chart for the external 1.4 MB drive.<ref name="sssuperfdm">''Apple SuperDrive'', Apple ''Service Source'', 21 pages - hosted on this wiki as [[Apple SuperDrive/HDI-20 Service Source]]. Its symptom chart is the only one Apple published for an external Apple floppy drive, and it records two normal behaviours that get misdiagnosed: an MS-DOS machine will not read a disk formatted on a 1.4 MB SuperDrive unless the disk was formatted on the MS-DOS drive first, and a drive that handles 800K media but refuses high-density disks is usually an 800K drive rather than a faulty SuperDrive.</ref> | ||