Intel 925 - Pentium D 925 3.0GHz 800MHz 4MB-Cache Socket 775 CPU User Manual

Electrical Characteristics
R
188 Intel
®
82925X/82925XE MCH Datasheet
Signal
Group
Signal Type Signals Notes
DDR2 Interface Signal Groups
(k) SSTL – 1.8
DDR2 CMOS I/O
SDQ_A[63:0]#, SDQ_B[63:0]#, SDQS_A[7:0],
SDQS_A[7:0]#, SDQS_B[7:0]#, SDQS_B[7:0]#,
SDQS_A8
2
, SDQS_A8#
2
, SDQS_B8
2
, SDQS_B8#
2
,
SCB_A[7:0]
2
, SCB_B[7:0]
2
1
(l) SSTL – 1.8
DDR2 CMOS Output
SDM_A[7:0], SDM_B[7:0], SMA[13:0], SMA_B[13:0]
SBS_A[2:0], SBS_B[2:0] SRAS_A#, SRAS_B#,
SCAS_A#, SCAS_B#, SWE_A#, SWE_B#,
SODT_A[3:0], SODT_B[3:0], SCKE_A[3:0],
SCKE_B[3:0], SCS_A[3:0]#, SCS_B[3:0]#,
SCLK_A[5:0], SCLK_A[5:0]#, SCLK_B[5:0],
SCLK_B[5:0]#
1
(m) DDR2 Reference
Voltage
SMVREF[1:0] (DDR2)
Clocks, Reset, and Miscellaneous Signal Groups
(n) HVCMOS Input EXTTS#
(n1) Miscellaneous Inputs RSTIN#, PWROK
(0) Low Voltage Diff. Clock
Input
HCLKN, HCLKP, DREFCLKP, DREFCLKN, GCLKP,
GCLKN
(p) HVCMOS I/O DDC_CLK, DDC_DATA
I/O Buffer Supply Voltages
(q) 1.2 V System Bus Input
Supply Voltage
VTT
(r) 1.5 V PCI Express
Supply Voltages
VCC_EXP
(t) 1.8 V DDR2 Supply
Voltage
VCCSM (DDR2) 1
(v) 1.5 V DDR2 PLL Analog
Supply Voltage
VCCA_SMPLL (DDR2)
(w) 1.5 V MCH Core Supply
Voltage
VCC
(x) 2.5 V CMOS Supply
Voltage
VCC2
(z) PLL Analog Supply
Voltages
VCCA_HPLL, VCCA_EXPPLL
NOTES:
1. DDR2 533 with CAS timing of 3-3-3 operate at 1.9 V.
2. 82925X MCH signal only.

Intel 925 - Pentium D 925 3.0GHz 800MHz 4MB-Cache Socket 775 CPU Specifications

General

Brand	Intel
Model	925 - Pentium D 925 3.0GHz 800MHz 4MB-Cache Socket 775 CPU
Category	Computer Hardware
Language	English