Ampro Corporation 486E manual Pin Signal Function In/Out Current, Pu/Pd/S

Page 82

Little Board™/486e Technical Manual

Table 2–46. AT Expansion Bus Connector, A1-A32 (P1)

Pin

Signal

Function

In/Out

Current

PU/PD/S *

 

Name

 

 

 

 

 

 

 

 

 

 

A1

IOCHCK*

bus NMI input

IN

N/A

 

A2

SD7

Data bit 7

I/O

4 mA

4.7K PU

A3

SD6

Data bit 6

I/O

4 mA

4.7K PU

A4

SD5

Data bit 5

I/O

4 mA

4.7K PU

A5

SD4

Data bit 4

I/O

4 mA

4.7K PU

A6

SD3

Data bit 3

I/O

4 mA

4.7K PU

A7

SD2

Data bit 2

I/O

4 mA

4.7K PU

A8

SD1

Data bit 1

I/O

4 mA

4.7K PU

A9

SD0

Data bit 0

I/O

4 mA

4.7K PU

A10

IOCHRDY

Processor Ready Ctrl

IN

N/A

1K PU

A11

AEN

Address Enable

I/O

4 mA

 

A12

SA19

Address bit 19

I/O

12 mA

 

A13

SA18

Address bit 18

I/O

12 mA

 

A14

SA17

Address bit 17

I/O

12 mA

 

A15

SA16

Address bit 16

I/O

4 mA

 

A16

SA15

Address bit 15

I/O

4 mA

 

A17

SA14

Address bit 14

I/O

4 mA

 

A18

SA13

Address bit 13

I/O

4 mA

 

A19

SA12

Address bit 12

I/O

4 mA

 

A20

SA11

Address bit 11

I/O

4 mA

 

A21

SA10

Address bit 10

I/O

4 mA

 

A22

SA9

Address bit 9

I/O

4 mA

 

A23

SA8

Address bit 8

I/O

4 mA

 

A24

SA7

Address bit 7

I/O

4 mA

 

A25

SA6

Address bit 6

I/O

4 mA

 

A26

SA5

Address bit 5

I/O

4 mA

 

A27

SA4

Address bit 4

I/O

4 mA

 

A28

SA3

Address bit 3

I/O

4 mA

 

A29

SA2

Address bit 2

I/O

4 mA

 

A30

SA1

Address bit 1

I/O

4 mA

 

A31

SA0

Address bit 0

I/O

4 mA

 

A32

GND

Ground

N/A

N/A

 

 

 

 

 

 

 

* PU = pull up; PD = pull down; S = resistance in series. All values in ohms.

2–66

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Contents Little Board/486e Computer Revision Reason for Change Date Table of Contents Page Technical Specifications Index Introduction Technical SupportThis page left intentionally blank Viii General Description FeaturesChapter CPU/MotherboardEnhanced Embedded-PC Bios VL-Bus Flat Panel/CRT Display ControllerFloppy Interface Serial PortsEnhanced Parallel Port IDE InterfaceEthernet LAN Interface Byte-Wide Socket and Solid State Disk SSDEnhanced Reliability Modular PC/104 Expansion BusHalt Testing Software Little Board Development Platform Interface Connector Summary OverviewConnector Function Size Key Pin ConnectorsConnector and Jumper Locations Jumper Group Function Default Jumper Configuration OptionsSystem I/O Map Address Function Connector Type Mating Connector DC PowerPin Connection Backup Battery Power RequirementsCooling Requirements Powerfail Monitor Dram System Memory MapExpanded Memory and Extended Memory Memory Address FunctionRS-485 Serial Port Serial Ports J11, J13RS-232C Serial Ports AddressesInterrupt Assignments IRQ11 IRQ7ROM-BIOS Installation of the Serial Ports Serial Port Connectors J11, J13Ports Pin Signal Function In/Out DB25 Name PinConfiguring Serial 2 for RS-485 J6, W5, W6 Pin Signal NameRS-485 Twisted-Pair Cabling Using RJ11 Connectors Pin RJ11 Signal Standard Wire ColorUsing the RS-485 Interface Interconnection Scheme ExamplesHex Command Serial ConsoleCOM Port Table Serial HandshakeSerial Booting and Serial Programming Using a Serial ModemRegister Name Address Primary Secondary Bi-Directional Parallel PortSelection Address Interrupts Signal Type Number of Lines Function Output Drive ROM-BIOS Installation of Parallel PortsStandard and General Purpose I/O Operation Parallel Port Interrupt Register Bit Signal Name In/Out Active J15 Parallel Port Interrupt EnableOr Function High/Low Pin Parallel Port Connector J15 J15 Pin Signal Function In/Out DB25 NameSignal Name Full Name Description Register Bit DefinitionsFloppy Drive Considerations Floppy Disk InterfaceCapacity Drive Size Tracks Data Rate Floppy Interface Connector J14 Floppy Interface ConfigurationPin Signal Name Function In/Out IDE Connector J12 IDE Hard Disk Interface25. IDE Drive Interface Connector J12 IDE Interface Configuration Enabling the Drive Master/Slave SettingCompact Flash Solid-State Disk Solid-State Disk PreparationName Connector Pins/Type Description Connecting a CRT J5Flat Panel/CRT Video Controller J5 Pin Signal Name DB-15 DB-9 Part Description Mating ConnectorConnecting a Flat Panel J3 W10 +5VPin Signal Description Name FLMPower Sequencing Advanced Power ManagementBios Support of Non-Standard Panels Pgmebios VIDEO=filenameLCD Bias Supply Option Selecting Vee PolarityJ4 Pin J3 Pin Description Attaching an External Contrast Control Ra = 270 Rb = Vee max Vee min / 1.5Example Ethernet Network Interface Network TermsInstalling an Ethernet Boot Prom QNXInstalling a Boot Prom in Byte-Wide Socket S0 Twisted-Pair InstallationsInstalling a Boot Prom Twisted Pair Interface J7Using Network Operating Systems NOS Controlling the Ethernet LAN Interface Directly Network OS DriversProgram Name Vendor Function Driver Name Manufacturer’s Ethernet ID 00 40SSD Device Size Package Generic Type Pins Part Number Byte-Wide Socket S0Addressing the Byte-wide Socket ROM-BIOS ExtensionsWindow Address Performance Issues Accessing the Byte-Wide SocketSolid State Disk SSD Drives Device 64KB Segment Address Size Segments Upper Nibble of BH W14 Pin Signal Name Description Byte-Wide Socket SignalsTypical Devices Pins Jumper Diagram Jumpering the Byte-Wide SocketFlash Eprom Typical Devices Pins Jumper Diagram Using EPROMsFlash Eprom Programming Using SRAMs Non-volatile RAMUtility Connector J16 Pin Signal Name Function ExsmiPC Speaker Push Button Reset ConnectionExternal Battery Connections LED ConnectionBattery-Backed Clock Jumper W4 Watchdog TimerWDT Response AL,61H AL,NOT 08H OUT 61H,AL Page AT Expansion Bus Using Standard PC and AT Bus Cards Onboard MiniModule ExpansionBus Expansion Guidelines Bus TerminationExpansion Bus Connector Pinouts Pin Signal Function In/Out Current PU/PD/S47. AT Expansion Bus Connector, B1-B32 P1 48. AT Expansion Bus Connector, C0-C19 P2 PU/PD/S Interrupt and DMA Channel Usage Interrupt FunctionSerial Parallel Floppy Channel FunctionEthernet Video Setup Overview Menu Name Functions Setup Page 1-Standard CMOS/EEPROM Setup Standard CMOS/EEPROM SetupFloppy Drives Drive Parameter SetupDate and Time IDE Hard Disk DrivesPage Dram Memory Error HaltVideo System PostSetup Page 2-Options/Peripheral Configuration Extended BiosPort Address Serial PortParallel Port Selection Address InterruptHot Key Setup Enable Floppy Interface EnableIDE Interface Enable Selection AddressVideo State Blank Post TestWatchdog Timer Configuration Byte-Wide Socket ConfigurationSerial Boot Loader Enable Local Bus Video DisplayInstalling a Modified Bios to Support a New Panel Flat Panel Display TypeSetup Page 3-Serial Console Configuration Extended Serial Console ConfigurationPage Creating Configuration Files with SETUP.COM Switch FunctionOperation with DOS DIR LPT1Utility Software Overview Little Board/486e CPU Specifications Embedded-PC System EnhancementsOnboard Peripherals CRT Support for Standard Video Modes Vesa Font Pixels Clock Horiz Vert Mem Mode MHz KHz Support Software Mechanical and Environmental Specifications Mechanical Dimensions Technical Specifications Page Index Page POST, Setup Little Board/486e Technical Manual Index-4
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