3.2.2Cable-select option
Computers that use cable select determine the master and slave drives by selecting or deselecting pin 28, CSEL, on the interface bus. Master and slave drives are determined by their physical position on the cable. To enable cable select, set a jumper as shown in Figure 3. Refer to your computer manual to determine whether your computer supports this option.
3.3Drive mounting
You can mount the drive using four screws in the
•Allow a minimum clearance of 0.030 inches (0.76 mm) around the entire perimeter of the drive for cooling.
•Use only M3 UNC mounting screws.
•Do not overtighten the mounting screws (maximum torque: 4.0
•Four (4) threads (0.080 inches) minimum screw engagement recommended.
| 3.945 |
.157 | (100.2 |
(3.9878) | (12.446 |
.399 | 0.680 |
(10.135) | |
| (17.27 |
Breather Hole
Do not cover
2.750
(69.85
inches |
|
| Recommended case | ||||||
(mm) |
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| |||||||
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|
|
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|
|
| temp. measurement location |
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| 3.567 |
|
|
|
|
| .551 |
|
| (90.602) |
| 2X M3 X | |
|
|
|
|
|
|
| Mounting holes | ||
|
|
|
| ||||||
(13.99) |
|
|
|
| Both sides | ||||
|
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|
|
|
|
|
|
| .12 min. full thread |
.374
(9.5
2X .118 |
|
|
Both sides | 3.567 |
|
|
| |
.551 | (90.60) | 4X M3 X |
| Mounting holes | |
(13.99) |
| .10 min. full thread |
|
| 2.430 |
|
| (61.722) |
|
| .160 |
|
| (4.06) |
Figure 4. Mounting dimensions—top, side and end view
18 | Momentus 42 Product Manual, Rev. A |