82845PE Datasheet, PDF (22/176 Pages) Intel Corporation – 82845GE Graphics and Memory Controller Hub (GMCH) and 82845PE Memory Controller Hub (MCH)

Signal Description
Figure 2-1. Intel^® 82845GE/82845PE Interface Block Diagram
HA_[31:3]#
HD_[63:0]#
ADS#
BNR#
BPRI#
DBSY#
DEFER#
DRDY#
HIT#
HITM#
HLOCK#
HREQ_[4:0]#
HTRDY#
RS_[2:0]#
CPURST#
BREQ0#
DINV_[3:0]#
HADSTB_[1:0]#
HDSTB_P[3:0]#, HDSTB_N[3:0]#
SCS_[3:0]#
SMAA_[12:0], SMAB_[5,4,2,1]
SBA_[1:0]
SRAS#
SCAS#
SWE#
SDQ_[63:0]
SDM_[7:0]
SDQS_[8:0]
SCKE_[3:0]
SCMDCLK_[5:0]
SCMDCLK_[5:0]#
SRCVEN_OUT#
SRCVEN_IN#
HI_[10:0]
HI_STBS
HI_STBF
HCLKP, HCLKN
GCLKIN
(82845GE only) DREFCLK
RSTIN#
PWROK
TESTIN#
PSB_SEL
HSYNC
VSYNC
RED, RED#
GREEN, GREEN#
BLUE, BLUE#
REFSET
DDCA_CLK
DDCA_DATA
Processor
System
Bus
Interface
AGP
Interface
System
Memory
DDR
SDRAM
Interface
DVO
Device
Interfaces
(82845GE
only)
Hub
Interface
Clocks,
Reset, Test,
and Misc.
Analog
Display
(82845GE
only)
Voltage
Refernce,
RCOMP,
VSWING,
and Power
GSBA_[7:0]
GPIPE#
GST_[2:0]
GRBF#
GWBF#
GADSTB_[1:0], ADSTB_[1:0]#
GSBSTB, GSBSTB#
GFRAME#
GIRDY#
GTRDY#
GSTOP#
GDEVSEL#
GREQ#
GGNT#
GAD_[31:0]
GC/BE_[3:0]#
GPAR/ADD_DETECT
DVOB_CLK, DVOB_CLK#
DVOB_D[11:0]
DVOB_HSYNC
DVOB_VSYNC
DVOB_BLANK#
DVOBC_CLKINT#
DVOB_FLDSTL
DVOC_CLK, DVOC_CLK#
DVOC_D[11:0]
DVOC_HSYNC
DVOC_VSYNC
DVOC_BLANK#
DVOBC_INTR#
DVOC_FLDSTL
MI2C_CLK
MI2C_DATA
MDVI_CLK
MDVI_DATA
MDDC_CLK
MDDC_DATA
ADDID[7:0]
HDVREF_[2:0]
HA_VREF
HCC_VREF
HX_RCOMP, HY_RCOMP
HX_SWING, HY_SWING
SM_VREF
SMX_RCOMP, SMY_RCOMP
AGP_VREF
AGP_RCOMP
HI_VREF
HI_RCOMP
HI_SWING
VCC
VCCAGP
VCCA_FSB
VTTFSB
VTTDECAP
VCCA_HI
VCCHL
VCCA_DPLL (82845GE only)
VCCA_DAC (82845GE only)
VSS
VSSA_DAC (82845GE only)
VCCGPIO
VCCSM
VCCA_SM
VCCQSM
Multiplexed
Signals
(82845GE
only)
22
Intel^® 82845GE/82845PE Datasheet