Salim Badakhshan
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Lenovo YOGAAIO7-27ACH6 YOGA27-ACH (UMA) Rev 1.0 FP6SV2 Schematic
Technical Specifications
Technical Summary
The Lenovo Yoga27-ACH2 all-in-one motherboard, built by Asia Vital Components Co., Ltd. under project code Yoga27-ACH2 AMD FP6, is based on the AMD FP6 Cezanne platform supporting Ryzen 5 5600H (UMA) and Ryzen 7 5800H (DIS) processors. The board revision X1.0, dated April 29, 2021, features dual DDR4 SO-DIMM slots running at 3200 MT/s with 64-bit memory channels. System management is handled by an IT8638E/BX Super I/O and EC, while the BIOS is stored on a single 16MB SPI flash ROM operating at 1.8V. Audio is provided by a Realtek ALC274 codec paired with a TAS5825MRHB amplifier, and networking includes a Realtek RTL8111H LAN controller alongside an M.2 2230 WiFi slot. Power delivery incorporates a BUCK BOOST PD charging IC and multiple regulators including TPS512
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Lenovo |
| Model | Yoga27-ACH2 |
| Motherboard Manufacturer | Asia Vital Components Co., Ltd. |
| Project Code | Yoga27-ACH2 AMD FP6 |
| Board Number | X1.0 |
| Revision | X1.0 |
| Date | Thursday, April 29, 2021 |
| CPU Platform | AMD FP6 Cezanne Family 19h Models 50h-5Fh |
| GPU Type | AMD GPU |
| Graphics Architecture | AMD Ryzen 5 5600H (UMA) / AMD Ryzen 7 5800H (DIS) |
| EC / KBC | IT8638E/BX |
| Audio Codec | Realtek ALC274 |
| BIOS / SPI Flash | SPI Flash ROM 16MB*1 @1.8V |
| BIOS Flash Capacity | 16MB |
| Charging IC | BUCK BOOST PD |
| Power IC(s) | TPS51275B-1RUKR, RT8296A, QZ554LN, UP1727P, LV3667BY, GS7166, APL3526, LV8231A, LV7298A |
| RAM Type | DDR4-3200 |
| RAM Architecture | DDR4 SO-DIMM x2, 64 bit per channel |
| RAM Quantity / Slots | 2 |
| LAN IC | Realtek RTL8111H |
| WiFi / WLAN IC | M.2 2230 WIFI |
| HDMI Level Shifter | HDMI REDRIVER + MUX |
| Card Reader IC | USB2.0 HUB1 |
| USB Hub IC | USB2.0 HUB1, USB2.0 HUB2 |
| Thermal Sensor | FAN control |
| Super I/O | IT8638E/BX |
| TPM | TPM 2.0 SLB 9670VQ2.0 FW7.85 |
| Scalar | RTD2797UPM-CG |
| Audio Amplifier | TAS5825MRHB |
| DP Redriver | DP REDRIVER |
| HDMI Redriver | HDMI REDRIVER + MUX |
| Backlight Driver | VLED Backlight |
| Document Number | X1.0 |
Technical Summary
The Lenovo Yoga27-ACH2 all-in-one motherboard, built by Asia Vital Components Co., Ltd. under project code Yoga27-ACH2 AMD FP6, is based on the AMD FP6 Cezanne platform supporting Ryzen 5 5600H (UMA) and Ryzen 7 5800H (DIS) processors. The board revision X1.0, dated April 29, 2021, features dual DDR4 SO-DIMM slots running at 3200 MT/s with 64-bit memory channels. System management is handled by an IT8638E/BX Super I/O and EC, while the BIOS is stored on a single 16MB SPI flash ROM operating at 1.8V. Audio is provided by a Realtek ALC274 codec paired with a TAS5825MRHB amplifier, and networking includes a Realtek RTL8111H LAN controller alongside an M.2 2230 WiFi slot. Power delivery incorporates a BUCK BOOST PD charging IC and multiple regulators including TPS512
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