| Pin | Name | Description | Note |
|---|---|---|---|
| 1 | PWM3H | 29kHz 75% 3.3V Feedback | |
| 2 | PWM4L | FAN Drive 25kHz 10% | FAN CON 4 |
| 3 | PWM4H | TYPE III Compensator Vref | |
| 4 | RG6 | FAN Power | ??, 0V |
| 5 | RG7 | LS/SD | |
| 6 | RG8 | Optoisolator Viper17 | BR L217 TOP, 0V |
| 7 | ~MCLR | 47R | |
| 8 | RG9 | LED | HIGH: ON, LOW: OFF |
| 9 | VSS | GND | |
| 10 | VDD | VCC | 3.3V |
| 11 | AN5/CMP3B/AQEB1/CN7/RB5 | NC | |
| 12 | AN4 | 12VSB | 2.446V |
| 13 | AN3 | IS_FB Primary | 100mV, OUTPUT SEC 20A |
| 14 | AN2 | OVP | |
| 15 | AN1 | High-Side Shunt Current Secondary | |
| 16 | AN0 | Output Voltage Feedback | |
| 17 | AN6 | PSU_ON Detect | |
| 18 | AN7 | PSU_ON Detect | |
| 19 | AVDD | VCC | |
| 20 | AVSS | GND | |
| 21 | AN8 | Standby Voltage | |
| 22 | AN9 | Standby Output Current Sense | |
| 23 | AN10 | Secondary Ambient Temperature | |
| 24 | AN11 | Secondary Semiconductor Temperature | |
| 25 | VSS | GND | |
| 26 | VDD | VCC | 3.3V |
| 27 | AN12 | Transformer Center Tap | Np/Ns = Vp/Vct |
| 28 | AN13 | ||
| 29 | AN14/CMP3D/SS1/U2RTS/RB14 | NC | |
| 30 | AN15/CMP4D/CN12/RB15 | NC | |
| 31 | SDA2 | I2C Bus | EEPROM M24256-BW |
| 32 | SCL2 | I2C Bus | EEPROM M24256-BW |
| 33 | U1TX | ADUM2201 | ¡ú Primary BaudRate = 92593 |
| 34 | U1RX | ADUM2201 | ¡ú Primary |
| 35 | U1RTS/SCK1/INT0/RF6 | NC | |
| 36 | SDA1 | I2C1 External Communication | |
| 37 | SCL1 | I2C1 External Communication | |
| 38 | VDD | VCC | 3.3V |
| 39 | RC12 | dsPIC33FJ16GS502 | RB11 L357T |
| 40 | RC15 | L217 Optoisolator Bottom | |
| 41 | VSS | GND | |
| 42 | IC1/FLT1/SYNCI1/INT1/RD8 | FAN CON PIN 3 | |
| 43 | IC2/FLT2/U1CTS/INT2/RD9 | 24-2 | TO P200 1 |
| 44 | IC3/INDX1/FLT3/INT3/RD10 | 24-4 | TO P200 3 |
| 45 | IC4/QEA1/FLT4/INT4/RD11 | 24-6 | TO P200 5 |
| 46 | RD0 | TS391 12VSB OCP | |
| 47 | PGED2 | ||
| 48 | PGEC2 | ||
| 49 | OC2/SYNCO2/FLT6/RD1 | UNKNOWN OUTPUT | |
| 50 | RD2 | Main Transformer | 3.3V Control |
| 51 | OC4/SYNCO1/RD3 | NC | |
| 52 | RD4 | Input Standby | 16V Output to 3.3V DCT |
| 53 | PWM6H | UCC27424 PIN2 | MOSFET SR, 3.3V |
| 54 | PWM5L/CN15/RD6 | NC | |
| 55 | PWM5H/UPDN1/CN16/RD7 | NC | |
| 56 | VCAP | A low-ESR (< 0.5 Ohms) capacitor | |
| 57 | VDD | VCC | 3.3V |
| 58 | RF0 | SDA | AT24C01D IC EEPROM 1KBIT I2C 1MHZ SOT23-5 |
| 59 | RF1 | SCL | AT24C01D IC EEPROM 1KBIT I2C 1MHZ SOT23-5 |
| 60 | PWM1L | Q1 | |
| 61 | PWM1H | Q2 | |
| 62 | PWM2L | Q3 | |
| 63 | PWM2H | Q4 | |
| 64 | PWM3L/RE4 | NC |