Mobile Intel Pentium 4 Processor - M and Intel 845MP/MZ Chipset Platform Design Guide

Mobile Intel
®
Pentium
®
4 Processor-M and Intel
®
845MP/845MZ Chipset Platform
Design Guide 161
R
11.3. Voltage Supply
11.3.1. Power Management States
Table 58. Power Management States
SIGNAL STATE SLP_S1# SLP_S3# SLP_S5# +V*ALW +V* +V*S CLOCKS
FULL ON HIGH HIGH HIGH ON ON ON ON
S1 (Power on Suspend) LOW HIGH HIGH ON ON ON LOW
S3 (Suspend to RAM) LOW LOW HIGH ON ON OFF LOW
S4 (Suspend to Disk) LOW LOW LOW ON OFF OFF OFF
S5 (Soft Off) LOW LOW LOW ON OFF OFF OFF
11.3.2. Power Supply Rail Descriptions
Table 59. Power Supply Rail Descriptions (* Currents are Estimates Only)
Signal Names Voltage
(V)
Current
(A)*
Tolerance Enable Description
+V1_25 1.25 ± 2.0 + 2% DC SLP_S5# HIGH 845MP/845MZ MCH-M DDR
Reference & Termination. SLP_S5#
for VTT is “ON”, SLP_S3# for VTT
“OFF”
+V1_5S 1.5 3.5 + 5% SLP_S3# HIGH 845MP/845MZ MCH-M Core &
AGP, AGP VDDQ
+V1_8ALWAYS 1.8 0.21 + 5% +VDC ON ICH3-M
+V1_8 1.8 0.5 + 5% SLP_S5# HIGH ICH3-M
+V1_8S 1.8 0.8 + 5% SLP_S3# HIGH ICH3-M, 845MP/845MZ MCH-M
+V2_5 2.5 6.1 + 5% SLP_S5# HIGH 845MP/845MZ MCH-M DDR I/O,
DDR SO-DIMM
+V3ALWAYS 3.3 0.4 + 5% +VDC ON ICH3-M, SMC/KBC, AC97
+V3 3.3 0.9 + 5% SLP_S5# HIGH ICH3-M, Cardbus, AC97, RS232
+V3S 3.3 7.0 + 5% SLP_S3# HIGH ICH3-M, CK-408, AGP Core, DDR
SO-DIMM, FWH, SIO, AC97
+V5 5.0 9.0 + 5% SLP_S5# HIGH USB, AC97, HDD,+V2_5, AGP,
+V1_25, DVD/CDROM,
+V5S 5.0 1.0 + 5% SLP_S3# HIGH ICH3-M, AGP I/O, MSE/KBD, FDD,
HDD, DV/CDROM
+V12S 12.0 0.2 + 5% SLP_S3# HIGH AGP, Cardbus
+VCC_CORE IMVP-III 40.0 IMVP-III +VCC_VID HIGH See IMVP-III Mobile Processor Core
Voltage Regulator Specification
Design Guide for details.
+VCC_VID 1.2 0.300 + 5% DC VR_ON Reference voltage for processor
PLL d VID i it