Schematic Diagrams
Socket 478 & ITP 2 of 2
B.Schematic Diagrams
Sheet 3 of 41
Socket 478 & ITP
2 of 2
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| VCC_CORE |
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| CPUGTLVREFA |
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| R275 |
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| 49.9_1% |
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| CPUGTLVREFB |
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| R63 |
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| 49.9_1% |
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| C316 |
| C313 | C330 | R276 |
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| C346 | C349 |
| C112 |
| R64 |
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| 220P |
| 220P | 1UF | 100_1% |
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| 220P | 220P |
| 1UF |
| 100_1% |
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| CPU SIGNAL TERMINALION | ||
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| L69 |
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| JCPU1B | C25 C5 C7 C9 D10 D12 D14 D16 D18 D20 D21 D24 D3 D6 D8 E1 C22 | AA21 AA6 F20 F6 |
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| VCC_CORE |
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| CLOSE TO CPU | VCC_CORE | |||||
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| 4.7uH_SMD_30% |
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| AD20 | VCCA | VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS | GTLREF0 GTLREF1 GTLREF2 GTLREF3 | FERR | B6 | FERR# |
| FERR# | 15 |
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| FERR# | R274 | 62_1% | |
| 1 | 2 |
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| R293 |
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| 1 | 2 |
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| AE23 | VCCIOPLL |
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| IERR | AC3 | IERR |
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| BREQ0# | R56 | 51_1% |
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| V6 |
| T |
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| MCERR |
| STPCLK# |
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| PROCHOT# |
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| L71 |
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| STPCLK | Y4 |
| STPCLK# | 15 |
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| VCC_CORE |
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| 62_1% | ||||
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| C318 |
| C317 | AD22 |
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| AA3 | INIT# |
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| CPUPWRGD | R270 |
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| 4.7uH_SMD_30% |
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| VSSA |
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| BINIT | W5 | T | INIT# | 15 |
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| 51_1% | ||||
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| 47U/16V | 47U/16V |
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| INIT | AB2 |
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| R302 |
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| RSP | DBSY# | T |
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| THERMTRIP# | 62_1% | |||||
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| H5 | DBSY# | 5 |
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| 4 |
| 1 | AC26 |
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| DBSY | H2 | DRDY# |
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| ITP_CLK0 |
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| DRDY |
| DRDY# | 5 |
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| A20M# | R273 |
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| 3 |
| 2 | AD26 |
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| J6 | HTRDY# |
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| C323 |
| C376 |
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| 56_1% | ||||||||
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| RP40 |
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| ITP_CLK1 |
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| TRDY | G1 | ADS# |
| HTRDY# | 5 |
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| DBI#3 | V21 |
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| ADS | G4 | HLOCK# |
| ADS# | 5 |
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| 0.1UF |
| 0.1UF |
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| STPCLK# | R327 | 56_1% | |
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| DB#3 |
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| LOCK |
| HLOCK# | 5 |
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| DBI#2 | P26 |
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| H6 | BREQ0# |
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| DB#2 |
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| BR0 |
| BREQ0# | 5 |
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| CPUSLP# | R256 |
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| DBI#1 | G25 |
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| G2 | BNR# |
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| 56_1% | |||||||
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| DBI#0 | E21 | DB#1 |
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| BNR | F3 | HIT# |
| BNR# | 5 |
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| DBI#[0..3] |
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| DB#0 |
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| HIT | E3 | HITM# |
| HIT# | 5 |
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| SMI# | R292 | 56_1% |
5 | DBI#[0..3] |
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| HITM |
| HITM# | 5 |
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| HASTB#1 | R5 |
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| D2 | BPRI# |
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| 5 | HASTB#1 |
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| ADSTB1 |
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| BPRI |
| BPRI# | 5 |
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| INIT# |
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| HASTB#0 | L5 |
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| E2 | DEFER# |
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| R328 | 56_1% | |||||||
| 5 | HASTB#0 |
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| ADSTB0 |
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| DEFER |
| DEFER# | 5 |
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| DBRESET | AE25 |
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| D4 | HTCK |
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| DBRESET |
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| TCK |
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| VCC_CORE |
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| IGNNE# |
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| C1 | HTDI |
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| R303 | 56_1% | ||||||
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| NMI |
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| TDI | F7 | HTMS |
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| INTR |
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| 15 | NMI |
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| E5 | LINT1 |
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| TMS | E6 | HTRST# |
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| R57 | 56_1% | ||
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| INTR | D1 |
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| TRST | D5 | HTDO |
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| 15 | INTR |
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| LINT0 |
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| TDO |
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| C3 | PROCHOT# |
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| NMI | R58 | 56_1% | |||||
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| PROCHOT | B2 | IGNNE# |
| IGNNE# | 15 |
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| C113 |
| C302 | C387 |
| C301 |
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| AF22 |
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| IGNNE | B5 | SMI# |
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| CPURST# | R258 | 51_1% | |||
| 4 |
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| BCLK0 |
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| SMI |
| SMI# | 15 |
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| 0.1UF |
| 0.1UF | 0.1UF | 0.1UF |
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| AF23 |
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| C6 | A20M# |
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| 4 |
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| BCLK1 |
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| A20M |
| A20M# | 15 |
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| HTDO |
| 75 | |||||||
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| AB26 | CPUSLP# |
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| R280 | ||||||||
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| SLP |
| CPUSLP# | 15 |
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| AB23 | CPUPWRGD |
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| 51.1_1% |
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| PWRGOOD | CPUPWRGD | 5 |
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| IERR |
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| R42 |
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| P1 |
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| AB25 | CPURST# |
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| R297 | 10K | ||||||
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| COMP1 |
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| RESET |
| CPURST# | 5 |
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| R243 |
| 51.1_1% | L24 |
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| COMP0 |
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| B3 | THERMDA |
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| DBRESET | R257 | 150 | |||||
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| THERMDA |
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| C4 | THERMDC |
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| 5 | HDSTBP#3 |
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| HDSTBP#3 | W23 |
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| THERMDC | A2 | THERMTRIP# |
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| HTMS | R52 | 40.2_1% | |
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| STBP3 |
| THERMTRIP |
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| HDSTBP#2 | P23 |
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| 5 | HDSTBP#2 |
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| HDSTBP#1 | J23 |
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| AD6 |
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| R219 | 51_1% | ||||
| 5 | HDSTBP#1 |
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| BSEL0 |
| BSEL0 | 4 |
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| HDSTBP#0 | F21 |
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| 5 | HDSTBP#0 |
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| STBP0 |
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| BSEL1 |
| BSEL1 | 4 |
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| HDSTBN#3 | W22 |
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| R218 | 51_1% | |||||||
| 5 | HDSTBN#3 |
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| HDSTBN#2 | R22 |
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| 5 | HDSTBN#2 |
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| HDSTBN#1 | K22 |
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| 5 | HDSTBN#1 |
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| HDSTBN#0 | E22 | STBN1 |
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| ITP_STPWR | R244 | 1.5K |
| 5 | HDSTBN#0 |
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| STBN0 |
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| AF4 |
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| VCCVID |
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| HBPM0# |
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| T | A5 | VCC_SENSE |
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| AF3 | T |
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| 2 | HBPM0# |
| R284 | 51 | ||
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| A4 |
| VCCVIDPRG |
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| T | VSS_SENSE |
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| HBPM1# | R285 | 51 | |
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| E11 |
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| 2 | HBPM1# |
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| VSS |
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| HBPRM4# |
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| E13 |
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| 2 | HBPRM4# |
| R298 | 51 | ||
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| E15 | VSS |
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| E17 | VSS |
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| VSS | Y25 |
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| 2 | HBPRM5# |
| HBPRM5# | R299 | 51 |
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| E19 | VSS |
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| VSS | Y22 |
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| E23 |
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| E26 | VSS |
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| VSS | W6 |
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| HTCK | R50 | 27.4_1% |
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| E4 | VSS |
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| VSS | W3 |
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| ITP/TAP TERMINATION | ||||
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| E9 |
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| W21 |
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| E7 |
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| W24 |
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| F10 | VSS |
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| VSS | V4 |
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| CLOSE TO ITP PORT |
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| VSS |
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| VSS |
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| F12 | VSS |
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| VSS | V26 |
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| F14 |
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| V23 |
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| VSS |
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| F16 |
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| V1 |
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| VSS |
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| ITP/TAP TERMINATION | ||||
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| F2 | VSS |
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| VSS | U25 |
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| F18 |
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| U5 |
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| F22 | VSS |
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| VSS | U22 |
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| CLOSE TO CPU |
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| VSS |
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| VSS |
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| VCC_CORE | ||||
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| F25 | VSS |
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| VSS | U2 |
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| +3V |
| VDD3 |
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| F5 |
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| T6 |
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| F8 | VSS |
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| VSS | T3 |
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| G21 | VSS |
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| VSS | T24 |
| 1 | 2 |
| SENSE_VCC | R319 |
| 200 |
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| HTDI | R306 | 150 | |
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| G24 | VSS |
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| VSS | T21 |
| C385 | 0.1UF |
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| VSS |
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| VSS |
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| HTRST# | R51 | 680 | ||||
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| G3 |
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| R4 |
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| VSS |
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| VSS |
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| R316 | R318 | R156 | R157 |
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| VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS |
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| 20 mils |
| U27 |
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| G6 J2 J22 J25 | J5 K21 K24 K3 K6 L1 L23 L26 L4 M2 M22 M25 M5 N21 N24 N3 N6 P2 P22 P25 P5 R1 R23 R26 |
|
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| C80 |
| 2 | VCC | STBY# | 15 |
| 4.7K | 4.7K |
| 1K | 1K |
|
| NORTHWOOD478 |
| |||
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| |||||||||||
| 2200P |
| SMBDATA | 12 |
| TMP_SMDATA24 |
THERMDA |
|
| NEAR U18 | |||
3 | DXP | SMBCLK | 14 | TMP_SMCLK24 | ||
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| THERMDC |
| 4 | DXN |
| 6 |
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| ALERT# | 11 | ADD1 | ||
| 27 | ALERT# | ALERT# | 10 | ||||
+3V |
|
| ADD0 |
| ||||
|
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| +3V | R317 | 10K |
|
| 1 |
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| NC/CRIT1 | T | ||
R686 |
| Disable HT function |
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| 7 | GND | 5 | ||
|
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| NC/CRIT0 | T | |||||
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| 8 | 9 | |||
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| GND | NC/OS# | T | ||
Q36 | D | HA#31 | 2,5 |
|
| 13 | |||
|
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| NC | T | |||||
2N7002(R) |
|
|
| 16 | |||||
1K(R) |
| L< 0.1 inch |
|
|
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| NC |
| T |
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| EN1617 |
|
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G |
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| |
CPURST# | B | C | S |
| Q37 | ||
R687 | 4.7K(R) | E |
|
|
| MMBT3904(R) | |
B - 4 Socket 478 & ITP 2 of 2
