Electrical Characteristics
16-2
Intel
82801BA ICH2 Datasheet
16.3
D.C. Characteristics
Table 16-1. D.C. Current Characteristics (ICH2 Power Consumption Measurements)
Power Plane
Maximum Power Consumption
S0
S1
S3
S4/S5
1.8V Core
300 ma
100 ma
N/A
N/A
3.3V I/O
410 ma
5 ma
N/A
N/A
1.8V LAN
36 ma
28 ma
7 ma
7 ma
3.3V LAN (Integrated LAN +
82562ET)
230 ma
210 ma
210 ma; 60 ma when 82562ET is
placed in reduced power mode
(50 MHz clk
!
5 MHz)
1.8V SUS
45 ma
30 ma
30 ma
30 ma
3.3V SUS
25 ma
0.6 ma
0.6 ma
0.6 ma
Table 16-2. DC Characteristic Input Signal Association
Symbol
Associated Signals
V
IH1
/V
IL1
(5V Tolerant)
PCI Signals:
AD[31:0], C/BE[3:0]#, DEVSEL#, FRAME#, IRDY#, TRDY#, STOP#,
PAR, PERR#, PLOCK#, SERR#, REQ[4:0]#
PC/PCI Signals:
REQ[A]#/GPIO[0], REQB[#]/REQ[5]#/GPIO[1]
IDE Signals:
PDD[15:0], SDD[15:0], PDDREQ, PIORDY, SDDREQ, SIORDY
Interrupt Signals:
IRQ[15:14], SERIRQ, PIRQ[D:A]#, PIRQ[H]#,
PIRQ[G:F]#/GPIO[4:3], PIRQ[E]#
Legacy Signals:
RCIN#, A20GATE
USB Signals:
OC[3:0]#
GPIO Signals:
GPIO[7:6]
V
IH2
/V
IL2
Clock Signals:
CLK66, CLK48, CLK14, LAN_CLK, PCICLK
V
IH3
/V
IL3
LPC/FWH Signals:
LDRQ[1:0]#, LAD[3:0]/FWH[3:0]
Power Management Signals:
PME#, PWRBTN#, RI#, RSM_PWROK, RTCRST#,
THRM#, VRMPWRGD
System Management Signals:
SMBALERT#/GPIO[11]
EEPROM Signals:
EE_DIN
AC’97 Signals:
AC_BITCLK, AC_SDIN[1:0], AC_SYNC
GPIO Signals:
GPIO[25:24, 13:12, 8]
V
IH4
/V
IL4
Clock Signals:
APICCLK
V
IH5
/V
IL5
S
MBus Signals:
SMBCLK, SMBDATA
System Management Signals:
INTRUDER#, SMLINK[1:0]
Power Management Signals:
RSMRST#, PWROK,
GPIO Signals:
GPIO[28:27]
V
IL6
/V
IH6
LAN Signals:
LAN_RXD[2:0]
V
IL7
/V
IH7
Processor Signals:
FERR#, APICD[1:0]
V
IL8
/V
IH8
Hub Interface Signals:
HL[11:0], HL_STB#, HL_STB
V
DI
/ V
CM
/ V
SE
USB Signals:
USBP[1:0][P,N]
V
IL9
/V
IH9
RTCX1
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