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Section 1
Chapter 4. Connector overview
Connections:
Probe
Probe Board 2
Board 1
External Peripherals
EXT Board:
1028aseT
Ethernet
Controller
CF Socket
sec. master
12C
Hard Disk
Interface
Setup
Data
LCD
JLI
12C
CRT
NDA
Converter
Floppy
LTP
Mouse
Key-
COM1
COM2
Figure 3. ETX Board Block Diagram
Repairable Parts
Serviceable by Module Only
Composite USB
Converter
Removable Battery Pack
Battery
Figure 1. Portascan Block Diagram
DRAM
CPU
Geode GX1
BIOS
flash
memory
PCI BUS
USB0
Companion
Chip
USB1
CS5530A
Sound
Codec
ISA BUS
Backlight
LCD Display
Motherboard
ETX Board With Dimm &
Flash Memory
Battery Charge
Control
Main Board:
See Main Board Schematic for further details
of connector Pin assignments.
Figure 2. Mainboard Top View
3
Backlight
Inverter
7 Way Keypad
Printer
A.C. Mains
Universal DC Supply
(Applied Only When
Charging Removed
Battery Pack)
Mediwatch Service Department
Service Documentation
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