Wii Mainboard PCB, Top view

Wii Mainboard PCB, Bottom view

(I've disassembled 2 consoles now, and chips that are different on the second one are noted as (alternate)...I'm not including the pictures because the motherboard revisions are the same, and I'm not noting chips as different just because their serial numbers are different.)

Chip listing:
U1: "(E)" "HOLLYWOOD" "(C)(M)'06Nintendo" "(ATI logo)" "(BroadOn logo)" "(NEC logo) JAPAN" "C10046F5-211-PN2-A" "0633KK01X" (video/IO chip, BGA/unknown 31x31mm)
U2: "(IBM logo)" "BROADWAY" "39X6735" "IBM9316" "BWYC-72914" "06340706V 14" "CANADA" (CPU, BGA/unknown 21x21mm)
U3: Samsung K4J52324QC-BC14 "SAMSUNG 631" "K4J52324QC-BC14" "EFEA75DX" (Memory!, BGA/unknown 14x11mm)
U3 (alternate): Quimonda "0638" "A" "HYB18H512321AFL14B" "HVV52176" (Memory chip, likely the same pinout and same/similar specs to the samsung chip)
U4: Sharp PQ070XH02Z "070XH02" "SHARP" "12H U6" (LDO voltage regulator, set at 1.8V - TO-263 package, 5 pins 10x8mm)
U5: "H8DU" (*tiny* 5-pin tsop-6 3x1.5mm)
U6: "AVE-RVL" "BU9055EKV" "629 145" (Audio/Video encoder/DAC tqfp-64 10x10mm)
U6 (alternate): "AVE-RVL A" "C8391" "0635EMM" (same package as previous chip)
U7: Mitsumi "616" "AMPAM" (Audio Amp, tsop-8 5x4mm)
U7 (alternate): No logo, "AMPAM" "6943" (same package as previous chip)
U8: MX "E062674-MG" "MX23L4005-24C1" "RTC-RVL A" "2S08802" (RTC, TSOP28 18x8mm)
U9: "JK0U" (Power-on-reset generator *tiny* 5-pin tsop-6 3x1.5mm)
U10: "JK0U" (Power-on-reset generator *tiny* 5-pin tsop-6 3x1.5mm)
U11:
U12:
U13:
U14: Samsung K9F4G08U0A "SAMSUNG 631" "K9F4G08U0A" "PCG1" "FHFL82GAU" (flash memory, tsop-48 18.5x12mm)
U14 (alternate): Hynix "KOR" KY27UF084G2M" "TPCB 647A" (flash memory, same package/pinout as samsung chip)
U15: Sanyo LV5043 "LV5043" "6SP0" (DC-DC Converter controller, ssop-30 10x5mm)
U16: Sanyo LV5043 "LV5043" "6SP0" (DC-DC Converter controller, ssop-30 10x5mm)
U17: Sanyo LV5043 "LV5043" "6SP0" (DC-DC Converter controller, ssop-30 10x5mm)
U18: "2901" "6M56" (tsop-14 5x4mm)
U19: Sharp PQ033DNA1ZPH "033DNA1" "SHARP" "H U7" (LDO regulator, 3.3V 1A, 4 pins 6x5mm)
U20:
U21:
U22: "H4" (*tiny* 5-pin tsop-6 3x1.5mm)
Ports
P1 Gamecube memory cards port
P2 Rear fan power connector
P3 Disc slot LED port
P4 Disc drive port (see Wii console Disc Drive page)
P5 AV and "sensor bar" port
P6 Gamecube controller ports (all 4 of 'em)
P7 Battery port
P8 Disc drive port (see Wii console Disc Drive page)
P9 USB ports
P10 SD Card port. Marked "A0635D6"
P11 Power connector
P12 Bluetooth Daughtercard
P13 802.11 Wifi daughtercard
Crystals
X1 "6373" "T 6276"
X1 (alternate) "27000" "K640Y"
X2 "32.768" "KDS0631" (32768Hz, RTC oscilator)
Other interesting things: