iv
System Memory ................................................................................................................................. 2–9
ROM BIOS..................................................................................................................................2–10
Shadowing ..................................................................................................................................2–10
BIOS Recovery ...........................................................................................................................2–10
Interrupt and DMA Channel Usage.................................................................................................2–10
Battery-Backed Clock.......................................................................................................................2–12
Serial Ports.......................................................................................................................................2–12
I/O Addresses and Interrupt Assignments ................................................................................2–13
ROM-BIOS Installation of the Serial Ports ...............................................................................2–13
Serial Port Connectors (J8, J11) ................................................................................................2–13
Serial TTL Option ......................................................................................................................2–15
Ampro Custom Serial Features..................................................................................................2–15
Serial Console Features .............................................................................................................2–15
Universal Serial Bus (USB) Ports....................................................................................................2–17
Infrared (IrDA) Interface .................................................................................................................2–18
Requirements for an IrDA Interface ..........................................................................................2–18
IrDA Connector (Part of Utility J19) .........................................................................................2–18
Multi-Mode Parallel Port .................................................................................................................2–19
I/O Addresses and Interrupts ....................................................................................................2–19
ROM-BIOS Installation of Parallel Ports ..................................................................................2–19
DMA Channels ...........................................................................................................................2–20
Parallel Port Connector (J9) ......................................................................................................2–20
IEEE-1284-compliant Cables .....................................................................................................2–21
Latch-Up Protection ...................................................................................................................2–22
Parallel Port Registers ...............................................................................................................2–22
Standard and Bidirectional Operation ......................................................................................2–22
Enabling the Parallel Port Interrupt .........................................................................................2–23
Floppy Disk Interface.......................................................................................................................2–25
Floppy Drive Considerations......................................................................................................2–25
Floppy Interface Configuration..................................................................................................2–25
Floppy Interface Connector (J14) ..............................................................................................2–26
EIDE Hard Disk Interface ...............................................................................................................2–26
IDE Interface Configuration ......................................................................................................2–28
CompactFlash Solid-State Disk .......................................................................................................2–28
Enabling the Drive .....................................................................................................................2–28
Master/Slave Setting ..................................................................................................................2–28
Solid-State Disk Preparation .....................................................................................................2–28
Audio Interface.................................................................................................................................2–29
Audio Amplifier ..........................................................................................................................2–29
Audio Interface Connector .........................................................................................................2–29
Flat Panel/CRT Video Controller .....................................................................................................2–32
Connecting a Flat Panel (J15)....................................................................................................2–33
BIOS Support of Standard Flat Panels......................................................................................2–35
Connecting a CRT (J17) .............................................................................................................2–35
Disabling the Video Controller ..................................................................................................2–37
Ethernet Network Interface.............................................................................................................2–37
Hardware Description ................................................................................................................2–37
Содержание Little Board P6d
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