82845G Datasheet, PDF (22/193 Pages) Intel Corporation – Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)

Signal Description
Figure 2-1. Intel^® 82845G GMCH 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#
SCS_[7:0]#
SMAA_[12:0]
SBA_[1:0]
SRAS#
SCAS#
SWE#
SDQ_[63:0]
SDM_[7:0]
SCKE_[3:0]
SCK_[7:0]
SRDCLK_OUT
SRDCLK_IN
HI_[10:0]
HI_STBS
HI_STBF
HCLKP, HCLKN
GCLKIN
DREFCLK
RSTIN#
PWROK
TESTIN#
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
System
Memory
SDR
SDRAM
Interface
Hub
Interface
Clocks,
Reset, &
Test
Voltage
Refernce,
RCOMP,
VSWING,
and Power
Analog
Display
GSBA_[7:0]
GPIPE#
GST_[2:0]
GRBF#
GWBF#
GADSTB_[1:0], GADSTB_[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
VCC
VCCAGP
VCCA_FSB
VTTFSB
VTTDECAP
VCCA_HI
VCCHL
VCCA_DPLL
VCCA_DAC
VSS
VSSA_DAC
VCCGPIO
VCCSM
VCCA_SM
VCCQSM
Multiplexed
Signals
22
Intel^® 82845G/82845GL/82845GV GMCH Datasheet