lcd wlan olpc xo-4 dcon rtc +1.8v microsd power bottom...
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![Page 1: LCD WLAN OLPC XO-4 DCON RTC +1.8V microSD Power bottom …wiki.laptop.org/images/e/eb/XO4_A2_mobo_annotated_bot.pdf · Neonode µC DCON Hymax HX8837 & Mem . HannStar J 94v-o NV-4](https://reader034.vdocuments.site/reader034/viewer/2022042914/5f4d09457cb30f663701cdf8/html5/thumbnails/1.jpg)
Embedded ControllerENE IO3731
Battery ChargerIntersil ISL9519
System on ChipMarvell PXA21281GHz Dual-core ARM
+1.35VPowerSupply
+3.3V Pwr Sup.
OLPC XO-4A2 Prototype
InternalmicroSD slot
Accelerometer
ExternalSD/MMC Slot
+2.8V Pwr Sup.
ST LIS3DE
VCOREPower Supply
Open FirmwareFlash ROM
USB Hub &Power Switch
Audio Codec
Realtek ALC5631
eMMC2 to32 GB
BacklightPower Supply
LCDPowerSupply
+3.3VSUSPowerSupply
WLANMarvell 8787SDIO connect
+5V Pwr Sup.
Touch Ctrl
RAM
128M/256Mx32 x 2 chanDDR3L SDRAM
+1.2V PowerSupply
bottom side
RTCMaximDS1338
+1.8VPowerSupply
RTC Battery
Neonode µC
DCONHymax HX8837& Mem