1 / 10

第 13 课： T40 主板启动工作流程与接口电路 分析

第 13 课： T40 主板启动工作流程与接口电路 分析. 主要内容： IBM 主板维修工厂内部资料 各主要接口电路的关键引脚定义 教学目的： 了 解 T40 主板的复位、 PG 信号故障的分析检修 掌握各常规接口的引脚定义. Rome2/Apollo. DC/DC PWM. -ICH_SLP_S3. DC INT 16V. -PM_SLP_S3. ICH4. -ICH_SLP_S4. 13. 1. -PM_SLP_S5. VCC3M VCC5M VCC1R8M VCC1R5M VCC3AUX

eyal
Download Presentation

第 13 课： T40 主板启动工作流程与接口电路 分析

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 第13课：T40主板启动工作流程与接口电路分析 主要内容：IBM 主板维修工厂内部资料 各主要接口电路的关键引脚定义 教学目的：了解T40主板的复位、PG信号故障的分析检修 掌握各常规接口的引脚定义

  2. Rome2/Apollo DC/DC PWM -ICH_SLP_S3 DC INT 16V -PM_SLP_S3 ICH4 -ICH_SLP_S4 13 1 -PM_SLP_S5 VCC3M VCC5M VCC1R8M VCC1R5M VCC3AUX VCC1R5AUX -PCIRST 5 4 6 -PWRSWITCH MCH 7 VCC5M,VCC3M -PWRSW_H8 13 VCC2R5A VCCCPUIO VCC1R25B VCC1R2B VCCVIDEOCORE 2 14 3 10 3 -CPURST CPUPWRG -MAINOFF H8S BPWRG MPWRG 9 CPU PMH4 TSURUMAI 7 10 VCCCPUCORE A_ON ,B_ON 9 Boot up VR_PWRGD VCC3A VCC3B VCC5B VCC1R8B VCC1R5B VCC2.5_V VCC1.5_V VCC1.8_V VCC3_V 7 VCORE_ON 8 AD3205 CPUCLK_CLK 100M -CPUCLK_CLK_100M 9 10 VTT_PWRG 12 DC/DC Switch CLK Generator 11 -CLK_ENABLE VCC3P VBL16

  3. Rome2/Apollo DC INT 16V VINT16 VREGIN16 U61 VCC3SW TSURUMAI M-BAT S-BAT PMH4 +16VSRC -EXTPWR -EXTPWR_PMH4 U28 MAX1631 -EXTPWR_H8 U41 VL5 VCC5M_ON VCC1R8M_ON U41 U51 TB62501 U61 U29 VCC1R8M VCC3M VCC5M MPWRG U76 U23 VCC1R2M H8 VCC3AUX VCC1R5M ICH-4 -MAINOFF U5 VCC1R5AUX_ON -ICH_SLP_S3 U28 AUX_ON VCC1R5AUX

  4. Rome2/Apollo

  5. Rome2/Apollo VCC5M,VCC3M ON U28 U23 U5 -PWRSWITCH NO MPWRG? YES PMH4 -PM_SLP_S5 -PM_SLP_S3 B_ON VCC2R5A_ON VCORE_ON U61 U29 U30 Q70 U19 U30 U61 VCC2R5A VCC3A VCC3B VCC5B VCC1R8B VCCCPUIO VCC1R25B VCC1R2B Video_ON U47 U51 U61 VTT_PWRG VCCCPUCORE VCC1R5B_DRV Q99 Q31 PANEL_POWER_ON VIDEO_DRV VCCVIDEOCORE VCC2.5V -CLK_ENABLE VCC1R5B VBL_DRV U61 VCC3P_DRV Q42 Q12 Q88 Q45 Q22 Power shutdown Thermal shutdown VBL16 VCC3P VCC1.5_V VCC1.8_V VCC3_V

  6. Rome2/Apollo ICH4 -PCIRST VCC3B VCC1R5B VCC1R8B VCCCPUIO PWROK <--- BPWRG VGATE <--- VR_PWRGD VCC3B VCC5B power on VCC3AUX VCC1R5AUX VCC3M VCC1R5M VCC3M VCC5M RSMRST <-- MPWRG VCC3M, Battery

  7. Rome2/Apollo U19 VR_PWRGD VGATE/VRMPWRG CPU CPUPWRG VCC3M VCC5M VCC1R5M VCC3AUX VCC1R5AUX VCC3B VCC5B VCC1R8B VCCCPUIO VCC1R5B ICH4 O.K MCH PWROK -PCIRST -CPURST U61 BPWRG CPURST ACTIVE

  8. Components Mostly involved CPU, GMCH, ICH3, FWH GMCH, SDRAM GMCH, ICH3 IBM POST CODE CPU, GMCH ICH3, PCI CPU, GMCH, ICH3 ICH3 GMCH, VGA ICH3,SuperIO ICH3 SMBUS ICH3, H8 ICH3, PMH2 From S4 START C8,C9 24,04, 06 18 08 DF C1,11, 0A 17, 28, 3A,2A, 2C,2E 0A, 3A Shadowed To Ram, 38 2A, 2F 0A, CE, 3A,0B, D1 14 Check Wrap-Plug E0 20 29,33,09 2B C1,3B,09 0F 1A, 1C 22, C8 32,67, 9C, 6B, 34 3C, 3D 42, 45, 47, 49, C6 WOL C5 48, 4A, 4C 24 *C1, 88, 8A, 81, 87, 85, 82, 84, 86, 83, CE 59, CC 55, 22, 52, 54, 76, 58 3F,C4, 7C C6, C9 5B, 5C, 60, 62,64 66, 68, 6A, 6C, 6E 7C, *C6, 7E IBM LOGO B6, (IBM security check),BA, 98, BE 10, C7, 9E, A0, 7A, CE, A4, C2,BA, C3 8C, CB, CD, 90, 8B, 95, 92 96, AE, 9E 93, A8,AA,AC AE, B0, B2, B4, B5,C5 Beep Initial, crypt,EEPROM,Boot Bios Setup E3

  9. PCIRST# & CC_CPUPWRGD

  10. power part • RUN Power ( output power after push power button) POWER SWITCH PWRSW_H8 U23 pin19 -PM_SLP_S3# U28 pin71 ( output Suspend to RAM) -PM_SLP_S4# ( Suspend to disk) -PM_SLP_S5# U28 pin72 ( system Soft off) A2_ON_PMH4 U28 pin63 PMH4 power control VCC2R5A_ON MAX 1845 Output for KBC VCC2R5A L10 pin1 output for DDR DIMM by MAX 1845 TSURUMA B_ON_PMH4 U28 pin70 VCC3B VCC5B VCCIR5B APWRG BPWRG ( output for ICH4) VCORE_ON_PMH4 B_ON D1 pin1 CPUIO_ON U29 pin11 VCORE-ON U19 pin18 Video_on-pmh4 MAX1845 MAX1845 ADP3205 MAX1845 VCCCPUIO L11 pin2 (output for CPU by MAX1845) VTT_PWRG R474 pin2 ( output for CPU power control by CPU I/O ok VCCVIDEOCORE L9 For ATI power VCCCPUCORE L2 pin2 (output for CPU by ADP3205) 1R25B POWER L15 pin2 (output for RAM by MAX1845)

More Related