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Theory of Operation—Mobile Intel
Table 6.
Mobile Intel
Voltage Groups
1.8
12.0 Switched
2.5 Switched
3.3
3.3 Always
3.3 Switched
April 2007
Order Number: 317230-001US
®
915GME Express Chipset
®
915GME Express Chipset Voltage Rails (Sheet 2 of 4)
Voltage Rail
+V1.5S_ICH_EV
+V1.5S_PCIE_L
+V1.5S_PCIE_ICH
+V1.5S_ICH
+V1.5S_GPLL_ICH
+V1.5S_APLL_ICH
+VCCA_PROC
+V1.8_DDR
+V1.8_DIMM
+V1.8_LAN
+VDDQ_VTTVR
DDR_6225_VOUT1 (0.005Ω)
+12S
+12S_PCI
+V12S_PCIESLOT0
V2.5S
V2.5_ALVDS
V2.5_TXLVDS
V2.5_HV
V2.5_3GBG
V2.5_CRTDAC
V2.5_SYNC
V2.5_PCI_IDE
+V3.3
+V3.3_VCCPAUX
+V3.3_LPCSLOT
+V3.3_LAN
+VLAN_18-33
+VLAN_33-33
+VLAN_10-33
+V3.3_PCISLT3
+V3.3_ACZ (0Ω)
+V3.3A (0.05Ω)
+V3.3A_ICH
+V3.3A_VCCPAUX
+V3.3A_R1_TPM
+V3.3A_VCCPSUS
+V3.3A_KBC
+V3.3S
+V3.3S_AVTBG
Reference
Designator
R6G10.1
R6G7.2
FB6G1.1
R7H13.2
R6V13.2
R7H8.2
R3C4.2
R5B11.2
R5B12.2
R5B1.2
R4N6.2
R5B2.2
Q5H2.5-8
R9B2.2
R8B11.2
Q2J3.1-3
R5U1.1
R5F6.1
R5U17.2
R6E2.2
C5U2.3
R5F7.2
R7W9.1
Q4G2.1-3
R7U2.2
R8F8.2
R9A1.2
R7A1.1
R8B12.1
R8N1.1
R9B3.2
R8E1.1
R2H4.2
R7F5.1
R7U2.2
R9A4.1
R8F10.2
R8H6.2
Q4G1.1-3
C5T14.1
®
Mobile Intel
915GME Express Chipset
Development Kit User's Manual
31
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