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3-2
91390
QUBE
T HEORY
A PCI bus is used to communicate to the ATI / ES1000 GPU, USB
host controller, and optional wireless card (refer to Figure 3-2 on
page 3-2).
Figure 3-2 PCI Subsystem
The USB host controller has 5 USB ports and interfaces to:
• USB port 1 - USB Flash Drive
• USB port 2.3 - becomes external USB1, USB2
• USB port 4 - drives USB Hub on Mon-Dock PCBA
• USB port 5 - drives recorder.
If replacement is ever required, an internal flash drive provides bulk
memory and has special formatting requirements.
An on-board FPGA is used for SDLC Clock generation, and audio
clocks 11.3541 MHz (+/-1%). It is also used for SPI to I2S serial bus
conversion to interface the MPC8270 to the audio codec. The FPGA
is also responsible for decoding the IR remote control signals when
used with the 90360-01 remote control.
P/O CPU
PCBA
670-1573-xx
SMC1
SCC3
PCI
SMC2
PCI SUBSYSTEM
32-BIT
I2C
I/O
PCI BUS
IEEE
802.11a/b/g
WIRELESS
J641
SPI
MISC I/O
Antenna
Antenna
USB FLASH
DRIVE PCBA
USB Host
Controller
P1
USB 1-2 VBUS
USB (FLASH DRIVE)
USB 2
USB (RECORDER)
USB (TO 7-PORT HUB)
USB 1
MISC I/O
USB POWER
ON/OFF &
OVER- CURRENT SENSE
USB RECODER VBUS
J261
12" TFT LCD DISPLAY
ATI ES1000
GRAPHICS
PROCESSOR
24-BIT DIGITAL
VIDEO OUT
64MB
VIDEO
SDRAM
VIDEO SIGNALS
DVI
TMDS
24-BIT DIGITAL VIDEO
LVDS
EXTERNAL VIDEO (DIGITAL)
PCI BUS
PCI BUS
USB 1-2, USB 1-2 VBUS, USB (TO 7-PORT HUB)
RED SERIAL
BLUE SERIAL
GREEN SERIAL
CONTROL
TO LCD/ BEZZEL ASSY
TO J5 (INTERCONNECT PCBA)
TO J5 (INTERCONNECT PCBA)
TO/FROM
MON-DOCK PCBA
USB 1-2, USB 1-2 VBUS, USB (TO 7-PORT HUB)
EXTERNAL VIDEO (DIGITAL)
P/O CPU
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