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2.10.1 I/O Shield
The back panel I/O shield for the Desktop Board D845GVFN must meet specific dimension and
material requirements. Systems based on this desktop board need the back panel I/O shield to pass
emissions (EMI) certification testing. Figure 12 shows the critical dimensions of the I/O shield.
Dimensions are given in inches [millimeters], to a tolerance of ±0.020 inches [0.508 millimeters].
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. See Section 1.5 for
information about the ATX specification.
INTEGRATOR'S NOTE
An I/O shield compliant with the ATX chassis specification 2.03 is available from Intel.
3x Dia 0.039 [1.000]
0.884
[22.450]
0.276
[7.012]
0.000
[0.000]
0.465
[11.811]
0.567
[14.400]
6.390
REF
[162.300]
0.787
0.010 TYP [20
0.254]
Figure 12. I/O Shield Dimensions
Technical Reference
3x Dia 0.330 [8.380]
8X R0.5 MIN
A
0.519
[13.190]
0.027
[0.690]
0.465
[11.810]
0.472
[12.000]
Pictorial
View
0.063
0.005
[1.600
0.120]
OM11487
59
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