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Technical Reference
2.10.3 I/O Shield
The back panel I/O shield for the Desktop Boards D925XCV and D925XBC must meet specific
dimension and material requirements. Systems based on these Desktop Boards need the back panel
I/O shield to pass certification testing. Figure 29 shows the I/O shield for boards with the
8-channel (7.1) audio subsystem. Figure 30 shows the I/O shield for boards with the 6-channel
(5.1) audio subsystem. Dimensions are given in inches to a tolerance of ±0.02 inches. The figures
also indicate the position of each cutout. Additional design considerations for I/O shields relative
to chassis requirements are described in the ATX specification.
✏
NOTE
The I/O shield drawings in this document are for reference only. I/O shields compliant with the
ATX chassis specification 2.03 are available from Intel.
OM17164
Pictorial
View
20. ± 0.254 TYP
[0.787 ± 0.10]
162.3 REF
[6.390]
159.2 ± 0.12
[6.268 ± 0.005]
1.6 ± 0.12
[0.063 ± 0.005]
1.55 REF
[0.061]
12.00
[0.472]
7.012
[0.276]
Ø 1.00
[0.039]
0.00
[0.00]
11.811
[0.465]
12.81
[0.504]
22.45
[0.884]
9.44
[0.372]
20.914
[0.832]
0.00
[0.00]
27.876
[1.097]
120.81
[4.756]
102.84
[4.049]
69.21
[2.725]
79.47
[3.129]
62.45
[2.459]
142.12
[5.595]
8x R 0.5 MIN
11.81
[0.465]
6.02
[0.237]
14.4
[0.567]
16.84
[0.663]
A
A
Figure 29. I/O Shield Dimensions for Boards with the 8-Channel (7.1) Audio Subsystem
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