Digital Multi-Meter Comparison; Carrier Board Voltage Rails - Intel Atom E660 User Manual

Table 9.

Digital Multi-Meter Comparison

Sense Resistor Value
Voltage Difference Across Resistor
Calculated Power
Digital Multimeter
Specification
Min voltage displayed Calculated
power
Max voltage displayed Calculated
power
Error in power
Note: The precision achieved by using a high precision digital multi-meter versus a normal digital multi-
meter is ~33 times more accurate.
Table 10
board. All sense resistors are 0.01
Table 10. Carrier Board Voltage Rails (Sheet 1 of 3)
Schem
Target Component
Page
13 PCIe* Slot #2
13 PCIe* Slot #2
13 PCIe* Slot #2
13 PCIe* mini Card
13 PCIe* mini Card
14 PEG Slot #1 SDVO
14 PEG Slot #1 SDVO
15 PCIe* Slot #3
15 PCIe* Slot #3
15 PCIe* Slot #3
19 LVDS
19 LVDS
19 LVDS
19 LVDS
22 SATA_HDD
23 SD Slot 1(X5)
23 SD Slot 2(X6)
Hiside SW for
26
D50V_D50VS_USB_Port2,3
®
Intel Atom™ Processor E660 with Intel
User Manual
32
Example System
0.01 Ohm
1.492 mV (149.2 mA)
0.223 mW
(+/- 0.0030% of reading) + (+/-
0.0030% of range)
1.49193 mV
0.22258 mW
1.49206 mV
0.22624 mW
+/- 0.009%
summarizes all the power measurement sense resistors located on the carrier
Voltage
12V
3.3V
3.3V
1.5V
3.3V
12V
3.3V
12V
3.3V
3.3V
12V
5.0V
3.3V
3.3V
5.0V
3.3V
3.3V
5.0V
®
Platform Controller Hub EG20T Development Kit
Agilent 34401A
1/2
(6 digit display)
unless otherwise noted.
Supply
Rail
Power Rail
D120Vslot D120VSlot_PCIE_SLOT2
D33VSlot D33VSlot_PCIE_SLOT2
D33V D33V_PCIE_SLOT2
D15VS D15VS_EXCD_MINI
D33V D33V_EXCD_MINI
D120VSlot D120VSlot_SDVO
D33VSlot D33VSlot_SDVO
D120VSlot D120VSlot_PCIE_SLOT3
D33VSlot D33VSlot_PCIE_SLOT3
D33V D33V_PCIE_SLOT3
D120VS D12VS(1pin: VDD_BLI)
D50VS D50VS(4pin: VDD_DBC)
D33VS D33VS(18pin: VDD_VCL)
D33VS_LVDS_VDDVDL
D33VS
(16,17pin: VDD_VDL1,2)
D50VS_HDD D50VS for HDD_POW
D33VS D33VS_SD_SLOT0
D33VS D33_VS_SD_SLOT1
Hiside SW Pow for
D50V_D50VS
D50V_D50VS_USB_Port2,
_USB2_5
3
Power Management
Fluke 79
(3 digit display)
0.09% +/- 2 digits
1.47 mV
0.216 m
1.51 mV
0.228 mW
+/- 0.3%
Resistor
Ref Des
Spec
R35 Resistor-2
R37 Resistor-2
R38 Resistor-1
R40 Resistor-1
R42 Resistor-1
R48 Resistor-2
R49 Resistor-2
R391 Resistor-2
R392 Resistor-2
R390 Resistor-1
R269 Resistor-1
R270 Resistor-1
R274 Resistor-1
R275 Resistor-1
R405 Resistor-2
R299 Resistor-1
R395 Resistor-1
R151 Resistor-1
January 2012
Document Number: 324213-002