HP LTE Notebook PC 5250 LTE 5000 Family of Personal Computers Maintenance and - Page 34

Design Overview - MultiBay Expansion Base and MultiBay ISA Expansion Base

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9 Parallel connector 10 Serial connector 11 Auxiliary fan (MultiBay ISA Expansion Base model) 12 MPEG and TV Video Adapter connector 13 ISA slot cover (MultiBay ISA Expansion Base model) Chapter 1.7 Design Overview - MultiBay Expansion Base and MultiBay ISA Expansion Base In addition to replicating the computer I/O panel and offering additional mass storage device bays, the expansion bases include the following: o Main board with integrated Ethernet o MultiBay connector board o Power supply o IrDA interface o Activity lights o MultiBays with ejectors o PC Card slots o ISA expansion board slot (MultiBay ISA Expansion Base model) o Computer docking mechanism 1.7.1 Main Board The expansion base main board supports the following major components: o Ethernet controller (National DP83907) o PCMCIA controller (Cirrus 6722) o Super I/O (National 87334) o Power controller (TMP47P440AF) The Ethernet controller supports an integrated 10MB/sec Ethernet subsystem with 10BaseT and 10Base2 interfaces. The Super I/O component supports the MultiBays. 1.7.2 MultiBay Connector Board

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9
Parallel connector
10
Serial connector
11
Auxiliary fan (MultiBay ISA Expansion Base model)
12
MPEG and TV Video Adapter connector
13
ISA slot cover (MultiBay ISA Expansion Base model)
===========================================================================
Chapter 1.7 Design Overview - MultiBay Expansion Base and MultiBay ISA Expansion Base
In addition to replicating the computer I/O panel and offering additional
mass storage device bays, the expansion bases include the following:
o Main board with integrated Ethernet
o MultiBay connector board
o Power supply
o IrDA interface
o Activity lights
o MultiBays with ejectors
o PC Card slots
o ISA expansion board slot (MultiBay ISA Expansion Base model)
o Computer docking mechanism
1.7.1 Main Board
The expansion base main board supports the following major components:
o Ethernet controller (National DP83907)
o PCMCIA controller (Cirrus 6722)
o Super I/O (National 87334)
o Power controller (TMP47P440AF)
The Ethernet controller supports an integrated 10MB/sec Ethernet
subsystem with 10BaseT and 10Base2 interfaces. The Super I/O component
supports the MultiBays.
1.7.2 MultiBay Connector Board