Hardware Reference
In-Depth Information
Locate the optical drive mounting screws in the parts bag. These screws are
the most finely threaded in the bag. Use at least four screws (two per side) to
secure the optical drive to the chassis, as shown in Figure 3-12. Tighten the
screws finger-tight plus maybe a quarter turn. (It's difficult to overtorque these
screws because their heads are quite shallow. Your screwdriver will lose its grip
before you can overtighten them.)
Note the shorter screw slot at the top-front position in Figure 3-12. Using a
screw in that position prevents the drive from sliding back into the case more
than a tiny fraction of an inch. We actually used six screws—one at the rear
on each side and two at the front on each side—but if you use only one front
screw per side, install it in that shorter slot position.
Nearly every case we've ever used, including the Antec NSK-4482, comes with
a generic I/O shield. The generic shield never matches the motherboard I/O
panel, so you'll need to remove the stock I/O shield and replace it with the one
supplied with the motherboard.
To remove the I/O shield, use a tool handle to press from outside the case until
the I/O shield pops loose, as shown in Figure 3-13. Be careful with your fin-
gers: I/O shields are made of thin metal and may have edges sharp enough to
cut you. Don't worry about damaging the generic I/O shield supplied with the
case. You can discard or recycle it.
Figure 3-12. Use at least four screws (two per side) to secure the
optical drive to the chassis
Figure 3-13. Remove the I/O shield supplied with the case
Like all motherboards, the ASRock K10N78M-PRO comes with a custom I/O
shield that matches the motherboard I/O panel. Before you install the custom
I/O shield, compare it to the motherboard I/O panel to make sure the holes in
the I/O shield correspond to the connectors on the motherboard.
Avoid Brute Force
Be careful not to bend the I/O shield
while seating it. The template holes
need to line up with the external port
connectors on the motherboard I/O
panel. If the template is even slightly
bent, it may be difficult to seat the
motherboard properly.
Once you've done that, press the custom I/O shield into place. Working from
inside the case, align the bottom, right, and left edges of the I/O shield with the
matching case cutout. When the I/O shield is positioned properly, press gently
along the edges to seat it in the cutout, as shown in Figure 3-14. It should snap
into place, although getting it to seat properly sometimes requires several at-
tempts. It's often helpful to press gently against the edge of the template with
the handle of a screwdriver or nut driver.
 
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