Intel 820E manuals
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239 pages 2.87 Mb
Intel 820E Chipset 3 Contents 12 Revision History 13 1. Introduction 27 2. Layout/Routing Guidelines 139 3. Advanced System Bus Design 163 4. Clocking 4.1. Clock Generation 168 4.2. Component Placement and Interconnection Layout Requirements 4.2.1. 14.318 MHz Crystal to CK133 4.2.2. CK133 to DRCG Intel 820E Chipset 0"-6" 0"-3.50" 0.4"-0.45" 0"-3" A B C MCH Design Guide 169 169 4.2.3. MCH to DRCG PclkM PclkN VddIPD Figure 89. MCH-to-DRCG Routing Diagram Figure 90. Direct RDRAM* Clock Routing Dimensions 170 4.2.4. DRCG-to-RDRAM Channel 4.2.5. Trace Length Intel 820E Chipset Design Guide 171 171 CFM/CFM# signal trace (sections A+B) is 2 mils. (Exact length matching is recommended.) Figure 91. Differential Clock Routing Diagram (Sections A, C & D) Figure 92. Non-Differential Clock Routing Diagram (Section B) Figure 93. Termination for Direct RDRAM* Clocking Signals CFM/CFM# Intel 820E Chipset 172 Design Guide 172 4.3. DRCG Impedance Matching Circuit Figure 94. DRCG Impedance Matching Network Table 59. External DRCG Component Values1,2 Component Nominal Value Notes NOTES: Intel 820E Chipset Design Guide 173 4.3.1. DRCG Layout Example Figure 95. DRCG Layout Example 173 4.4. AGP Clock Routing Guidelines 4.5. Clock Routing Guidelines for Intel PGA370 Designs For the Intel 820E chipset/FC-PGA clock routing guidelines, refer to th e Guide Addendum for the Intel Pentium III Processor for the PGA370 Socket. These guidelines can be 4.6. Series Termination Resistors for CK133 Clock Outputs 174 4.7. Unused Outputs 4.8. Decoupling Recommendation for CK133 and DRCG 175 4.9. DRCG Frequency Selection and the DRCG+ 177 5. System Manufacturing 5.1. Stack-Up Requirement 183 6. System Design Considerations 195 Appendix A: Reference Design Schematics (Uniprocessor) Reference Design Feature Set 197 REVISION 0.5FCPGA 2 RIMM ICH2 REFERENCE SCHEMATICSNote that these schematics are preliminary and are subject to change. INTEL(R) 820E CHIPSET 198 Block DiagramDevice Table 199 370-PIN SOCKETSKT1VID3 GND;F36,A37,AC33,Y37 GND;AM22,AJ23,D22,F24,B24,AM26,AJ27,D26,F28,B28,AM30,D30,AF32,AB32,X32,T32 GND;AM6,AJ7,E7,B8,AM10,AJ11,E11,B12,AM14,AJ15,E15,B16,AM18,AJ19,E19,F20,B20 GND;AM34,AH2,AD2,Z2,V2,M2,D18,H2,D2,AL3,AK4,AG5,AC5,Y5,U5,Q5,L5,G5,D4,B4 VTT1_5;AH20,AK16,AL21,AN11,AN15,G35,AL13 VCCVID;AD32,AH24,F14,K32,AA37,Y35 VCCVID;M32,H32,AF34,AB34,X34,T34,P34,K34,F34,B34,AH36,B22,V36,R36,H36,D36,D32 VCCVID;AM24,AJ25,D24,F26,AM28,AJ29,D28,AK34,F30,B30,AM32,AH32,Z32,V32,R32 VCCVID;AM8,AJ9,E9,B10,AM12,AJ13,E13,B14,AM16,AJ5,AJ17,E17,B18,AM20,AJ21,D20,F22 VCCVID;B26,C3,AK2,AF2,AB2,T2,P2,K2,F4,E5,AM4,AE5,AA5,W5,S5,N5,J5,F2,D6,B6 HA#31 HA#30 HA#29 HA#28 HA#27 HA#26 HA#25 HA#24 HA#23 HA#22 HA#21 HA#20 HA#19 HA#18 HA#17 HA#16 HA#15 HA#14 HA#13 HA#12 HA#11 HA#8 HA#7 HA#6 HA#5 HA#4 HA#3 HREQ#4 HREQ#3 HREQ#2 HREQ#1 HREQ#0 RS#2 RS#1 RS#0 VID2 VID1 VID[3:0] Fan HeaderRS#[2:0] HREQ#[4:0] HA#9 HA#10 HA#[31:3] GND;P32,F32,B32,AH34,AD34,Z34,V34,R34,M34,H34,D34,AK36,AF36,X36,T36,P36,K36 PART 1 200 370-PIN SOCKET4.7UH ITP Test Port Option1% 110 R521 R518 R511 22 C428 10PF C429 0.1UF C436 4.7UF R516 1K R514 R51547 150 20% 33UF L26 47 R517 R520 680 R513 R512 240 1% 182 R519 SKT1 PART 2CLKTM_RD 201 Clock Synthesizer1 OUT IN Active 133MHz,48MHz PLL inactive Disabled OUT Enabled* IN Sprd Spect JP141 IN OUT Reserved 1ININTest Mode 0 OUT OUT Active 100MHz, 48MHz P LL ac tive 0 OUT IN Active 100MHz, 48MHz PLL inactive 0 IN OUT Reserved 0 IN IN All outputs Tri-State SEL133/100# JP15 JP17 Function 1 OUT OUT Active 133MHz,48MHz P LL ac tive* 202 MCHGTLREFB RAMREFA RAMREFB AGPREF HUBREF GTLREFA R229 203 MCH204 ICH 2205 ICH2CR8 VCCPU2 VCCPU1 VCCRTC V19 K2 M20 BAT17 CR4 BAT17 R167 8.2K ICH2V5REF2 V5REF1 V5REF_SUS R307 206 FWHTop Block LockR310 R304 0.1UF GND;B52,B60,B62,B64,B66,B68,B70,B72,B74,B76,B78,B80,B82,B84,B86,B88, B90,B92 207 RIMM SocketsVCC2_5SBY;A41,A42,A54,A58,B41,B42,B54,B58 RSV_EXP: RSV_SPARE: GND;A1,A3,A5,A7,A9,A11,A13,A15,A17,A29,A21,A23,A25,A27,A19,A31, A33,A39 VCC3_3;A43,A44,A45,A46,A47,A48,A49,A50,B43,B44,B45,B46,B47,B48,B49,B50 NC;A16,A77,B14,B79 NC;A38,A40,B40 GND;A52,A60,A62,A64,A66,A68,A70,A72,A74,A76,A78,A80,A82,A84,A86,A88, A90,A92 GND;B1,B3,B5,B7,B9,B11,B13,B15,B17,B29,B21,B23,B25,B27,B19,B31, B33,B39 VCMOS1_8SBY;A35,A37,B35,B37 RSV_SRIMM: 208 SIOSuper I/OCLOCKS INFRARED I/F LPC I/F FDC I/F SERIAL PORT 2 SERIAL PORT 1 LPC47B27X 209 AC97 Audio44 VREFOUT VREF RX3D NC40 AFILT1 CX3D_C 42 34 4 28 27 33 43 40 31 32 9 26 38 25 30 29 AC_VREF_C FILT_R_C AFLIT2 AVDD1 AVDD2 AVSS1 AVSS2 CX3D DVDD1 DVDD2 DVSS1 DVSS2 FILT_L FILT_R NC43 NC44 XTL_IN XTL_OUT AD1881 210 AC97 AudioMicrophone Input CD Analog Input Line_In Analog Input Stereo HP/Spkr out CNR 211 Communication And Network Riser (CNR)R60 EEPROMLAN R59 R75 R58 CNR OR LAN DOWN 212 ICH2 AC97 AND CNR LINK STUFFING OPTIONSStuffing Option forStuff for LAN Down Stuff for CNR Stuff for CNR Stuff for LAN Down Stuffing Option for CNR OR LAN DOWN 213 LAN (82562EH)27 29 36 40 56 58 9 VCC-9 VCC-27 VCC-29 VCC-36 VCC-40 VCC-54 VCC-56 VCC-58 VCCA VREF 214 LAN (82562ET/EM)215 LAN (RJ11 For 82562EH)216 LAN (RJ45 For 82562ET/EM)217 LANSTUFFING FOR EEPROM (U22) 82562EM A05723-001 82562ET A05441-001 STUFF FOR 82562EH ONLYXTAL Y5 Y2 XTAL LAN OPTION INTEL PART# 82562EH A05482-001 82562EM with AOL 218 LANSTUFF FOR 82562EH STUFF FOR GILAD ONLY NOTES: STUFF FOR 82562ET/EM ONLYAND 82562ET/EM PWM1 219 System14 R253 R358 R246 R234 R359 100K R354 R289 TACH2 PWM2 220 AGP Connector221 0 and 1PCI Connectors 222 2 and 3 PCI Connectors223 IDE Connectors224 USB ConnectorsC40 C41 C42 L6 R82 0K C39 47PF RP4 225 Parallel Port226 Serial Ports227 Keyboard/Mouse/FloppyJ1 9 14 PS/2 KybdPS/2 Mse 10 15 16 17 2 3 4 5 6 7 8 1312 11 1 Floppy Connector 228 Game Port229 VRMVRM requirements are based on VRM8.4 spec . 230 Voltage RegulatorsC268 + + C124 VTT 1.5 VOLTAGE REGULATOR VCC 5V DUAL VOLTAGE SWITCHER Route VR6 GND to VDDQ output caps and then via to ground.C35 C15 AGP VDDQ VOLTAGE REGULATOR VCC2_5 VOLTAGE REGULATOR VCC 1.8 VOLTAGE REGULATOR VCC2_5SBY VOLTAGE REGULATOR 231 Voltage RegulatorsC425 VCC 3.3 Standby Voltage RegulatorSENSE- C424 100PF 330UF VCC3_3SBY_L C426 SENSE+ VCC 1.8 STANDBY VOLTAGE REGULATOR 34 232 Power Connector98 13 12 6 5 21 ATX Connector Reset Button 233 AGTL Termination
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