Motherboard
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The Wii U had 3 motherboard revisions after the launch WUP-01 board.
| WUP-01 | |
|---|---|
| Top view (SIDE-B) | 
|
| Bottom view (SIDE-A) | 
|
| WUP-30 | |
|---|---|
| Top view (SIDE-B) | 
|
| Bottom view (SIDE-A) | 
|
| WUP-40 | |
|---|---|
| Top view (SIDE-B) | 
|
| Bottom view (SIDE-A) | 
|
| WUP-50 | |
|---|---|
| Top view (SIDE-B) | 
|
| Bottom view (SIDE-A) | 
|
Chip listing
| Label | Chip Name | Datasheet | Notes |
|---|---|---|---|
| U1 | "(c)'12 NINTENDO" "AMD" "IBM" "RENESAS" C10234F5-852-UAA-A (WUP-01/WUP-30/WUP-40) or C10283F5-222-NNL-A (WUP-50) | Contains the Latte, Espresso and SEEPROM. WUP-50 contains the revised B1X SoC. | |
| U2-U5 | Micron MT41K256M16HA-125:E or SK Hynix H5TQ4G63MFR-12C | Datasheet | RAM (4 BGA chips) (some models use drop-in replacement Hynix RAM). |
| U6 | Macronix MX25L6406E | Datasheet | DRH-WUP serial flash. |
| U7 | DRH-WUP 811309G31 (WUP-01/WUP-30/WUP-40) or DRH-WUP-1 812310D11 (WUP-50) | Overview | Connects the Gamepad to the SoC via 5GHz Wi-Fi and USB. |
| U8 | SMC | SMC. | |
| U9 | |||
| U13 | Mitsumi MM13486 | Audio amplifier. | |
| U14 | Panasonic MN864718 | HDMI controller. | |
| U17 | Macronix MX23L0002 | RTC. | |
| U18 | SAMSUNG K9K8G08U1D-SCB00 or SK Hynix H27U8G8G5DTR-BC | Datasheet | Wii U OS/vWii NAND Flash (dual 4Gb banks). Toshiba, Hynix, and Spansion NANDs were also used. |
| U19 | ABLIC S-6450 | RTC (alternative to U17). | |
| U20 | SAMSUNG KLMBG4GE4A-A001 or SK Hynix H26M64002BNR or Toshiba THGBM4G8D4GBAIE | General info | 32GB eMMC (in 8 32Gb banks). Toshiba and Hynix eMMCs were also used. |
| U23/U26-U29 | USB interface ESD protection IC. | ||
| U56 | Rohm BD8878FV-E2 | Audio amplifier (alternative to U13). | |
| U1020 | Sanyo/Onsemi LV5066V | Step-down switching regulator controller. | |
| U1024-U1026/U1033 | Sanyo/Onsemi LV5065VB/LV5064VB or Rohm BD9171FUT-GE2 | DC/DC converter controller. | |
| U1037 | |||
| U1039 | |||
| U1041 | ABLIC S-6451AC-TCT1U | Power management IC. | |
| U1042 | Texas Instruments TPS54225 | Step-down converter (WUP-30/WUP-40 only). | |
| U1043 | Texas Instruments TPS54325 | Step-down converter (WUP-30/WUP-40 only). | |
| U1044 | Rohm BD00IC0WEFJ-E2 | LDO regulator (WUP-50 only). | |
| Q1019/Q1024/Q1037 | Fairchild DC4AY | PFETs for 1v/1.15v switching regulators. |