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drives:teac_fd55gfv [2022/03/22 21:32] – First draft. Not complete. flan | drives:teac_fd55gfv [2022/03/25 10:22] (current) – [Jumper Settings] Clarified that drive select doesn't matter much. flan | ||
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====== TEAC FD-55 GFV ====== | ====== TEAC FD-55 GFV ====== | ||
- | The TEAC FD-55 GFV has a notably different PCB from its other variants, and does not include the same cross shaped drive speed jumper as literally all of its other iterations. | + | The TEAC FD-55 GFV has a notably different PCB from its other variants, and does not include the same cross shaped drive speed jumper as literally all of its other iterations. It appears to be targeted as a drop-in replacement for 8" disk drives. |
===== Specifications ==== | ===== Specifications ==== | ||
- | TODO(flan): Verify | + | 8" disks typically had 77 tracks, while high-density 5.25" disks had 80 tracks. Because |
- | https:// | + | ^ Capacity |
- | + | ||
- | + | ||
- | ^ Capacity | + | |
^ ::: | Unformatted: | ^ ::: | Unformatted: | ||
- | ^ Height | ||
- | ^ Width | 5.75 in / 146 mm | | ||
- | ^ Depth | 7.99 in / 203 mm | | ||
- | ^ Weight | ||
^ Disk size | 5.25" | ^ Disk size | 5.25" | ||
^ Heads | 2 | | ^ Heads | 2 | | ||
^ Surfaces | ^ Surfaces | ||
- | ^ Tracks/ | + | ^ Tracks/ |
^ Track density | ^ Track density | ||
^ Bit density | ^ Bit density | ||
- | ^ Record method | + | ^ Record method |
- | ^ Rotation rate | HD: 360 rpm; DD: 300 rpm | | + | ^ Rotation rate | HD: 360 rpm; DD: 300/360 rpm |
- | ^ Shock rating | + | |
- | ^ Vibration | + | |
^ Seek time | Track to track: 3 ms | | ^ Seek time | Track to track: 3 ms | | ||
^ Settle time | 15 ms | | ^ Settle time | 15 ms | | ||
- | ^ Data transfer | + | ^ Data transfer |
^ Power | +5 V, +12 V | | ^ Power | +5 V, +12 V | | ||
- | ^ Power dissipation | 4.8 watts | + | ^ Power dissipation | 5.2 watts operating, 1.8 W at rest |
- | ^ MTBF | 12,000 POH | | + | |
- | ^ MTTR | < 15 minutes | + | Physical specs: |
+ | |||
+ | ^ Height | ||
+ | ^ Width | 5.75 in / 146 mm | | ||
+ | ^ Depth | 7.99 in / 203 mm | | ||
+ | ^ Weight | ||
+ | ^ Shock rating | ||
+ | ^ ::: | Non-operating: | ||
+ | ^ Vibration | ||
+ | ^ ::: | ||
(Specifications come from [[https:// | (Specifications come from [[https:// | ||
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==== Jumper Settings ==== | ==== Jumper Settings ==== | ||
+ | The following jumper settings are known to work with the Applesauce: | ||
+ | |||
+ | ^ DCRY | RY | Disk Change/ | ||
+ | ^ DS0 | Connected | ||
+ | ^ DS1 | Not connected | ::: | | ||
+ | ^ DS2 | Not connected | ::: | | ||
+ | ^ DS3 | Not connected | ::: | | ||
+ | ^ U1 | Not connected | Head load on motor on | | ||
+ | ^ U2 | Connected | ||
+ | ^ HL | Not connected | Pin 4 is Head Load | | ||
+ | ^ IU | Not connected | Pin 4 is In Use | | ||
+ | ^ LG-HG | HG (both!) | ||
+ | |||
+ | < | ||
+ | |||
+ | {{: | ||