Schematic Diagrams
CPU FAN, LPC ROM
B.Schematic Diagrams
Sheet 25 of 40
CPU FAN,
LPC ROM
FAN_DC_VOLR12
R57
23 CPU_FAN 
R50
FAN CONTROLVDD5 |
| VDD5 |
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| FW ROM |
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| 20mil |
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| L8 |
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| 1 2 | 40MIL |
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| C10 |
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| C632 | C633 |
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| C24 |
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| Z2503 |
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| 1 32 25 27 |
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| .1U_50V_04 |
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| 8 | U1A | 10U_10V_08 | C |
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| PLT_RST# R503 | 100_04 | Z2505 | 2 | U31 | VPP VCC VCC VCCA |
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| .1U_50V_04 |
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| + |
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| 2 PCLK_F WH |
| CLK |
| 29 | Z2507 | R506 | 8.2K_04 | ||||||||||||
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| 1 | G | S |
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| LPC_AD0 |
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| .1U_50V_04 | 3 |
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| D6 |
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| 11,15,26 | PLT_RST# |
| PCLK_FWH |
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| 31 | RST# |
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| 2 | - |
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| Q3 |
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| 17,23 LPC_AD0 |
| LPC_AD1 |
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| 14 | FWH0 |
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| IC | 6 | Z2508 | R499 | 8.2K_04 | ||
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| 17,23 | LPC_AD1 |
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| FWH1 |
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| U1B |
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| SCS551V |
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| LPC_AD2 |
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| 5 | Z2509 | R500 | 8.2K_04 | |||||||
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| LM358 |
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| NDS352 |
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| 17,23 LPC_AD2 |
| LPC_AD3 |
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| 17 | FWH2 |
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| FGPI1 | 4 | Z2510 | R501 | 8.2K_04 | ||
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| 17,23 LPC_AD3 |
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4.99K_1%_06 Z2501 5 | + |
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| D | A |
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| LPC_FRAME# |
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| 3 | Z2511 | R502 | 8.2K_04 | |||||||
7 |
| Z2504 | J_FAN1 |
| JFAN | 17,23 LPC_FRAME# |
| 10K_06 | Z2506 | FWH4 |
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| R507 | 24 | INIT# |
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| FGPI4 | 30 | Z2512 | R504 | 8.2K_04 | ||||||
10K_04 | 6 | - |
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| FAN_DC_VOL | 1 | 3 |
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| 3.3VS |
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| RF U |
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| LM358 |
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| Normal Low |
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| 19 | RF U |
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| ID2 | 10 |
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| + | 100U_6.3V_B | 3 |
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| 7 | RF U |
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| GND | 28 |
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120K_04 | Z2502 |
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| 3.3VS |
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| 8 | WP# |
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| GNDA | 26 |
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| R51 | C23 |
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| TBL# |
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| 951011 |
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| SST49LF008A | SOCKET PLCC32 |
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| *2.2M_04 | .1U_16V_04 |
| 23 | CPU_FANSEN |
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| VDD3 | R5 | 4.7K_04 |
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| 2 |
| 4 | Z2513 |
| 2.2K_04 |
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| 15 FLASH# |
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| C | A |
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| D1 | SCS551V |
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| U32 |
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| 3 1 | MC74VHC1G14 |
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FWH_TBL# | FWH_WP# | Flash Mode | |
Low | Low | Protected | |
Low | High | Block 1~7 | |
High | Low | Block | 0 |
High | High | Block | 0~7 |
B - 26 CPU FAN, LPC ROM