Ampro Corporation 486E manual AT Expansion Bus Connector, B1-B32 P1

Page 83

Product Reference

Table 2–47. AT Expansion Bus Connector, B1-B32 (P1)

Pin	Signal	Function	In/Out	Current	PU/PD/S *
	Name

B1	GND	Ground	N/A	N/A
B2	RESETDRV	System reset signal	OUT	4 mA
B3	+5V	+5 Volt power	N/A	N/A
B4	IRQ9	Interrupt request 9	IN	N/A	27K PU
B5	-5V	To J7-5	N/A	N/A
B6	DRQ2	DMA request 2	IN	N/A	2.2K PD
B7	-12V	To J7-6	N/A	N/A
B8	ENDXFR*	Zero wait state	IN	N/A
B9	+12V	To J7-4	N/A	N/A
B10	Key	Key pin	N/A	N/A
B11	SMEMW*	Mem Write(lwr 1MB)	I/O	4 mA	22 S, 27K PU
B12	SMEMR*	Mem Read(lwr 1MB)	I/O	4 mA	22 S, 10K PU
B13	IOW	I/O Write	I/O	4 mA	22 S, 27K PU
B14	IOR	I/O Read	I/O	4 mA	22 S, 27K PU
B15	DACK3*	DMA Acknowledge 3	OUT	6 mA
B16	DRQ3	DMA Request 3	IN	N/A	2.2K PD
B17	DACK1*	DMA Acknowledge 1	OUT	6 mA
B18	DRQ1	DMA Request 1	IN	N/A	2.2K PD
B19	REFRESH*	Memory Refresh	I/O	4 mA	22 S,1K PU
B20	SYSCLK	Sys Clock	OUT	4 mA
B21	IRQ7	Interrupt Request 7	IN	N/A	27K PU
B22	IRQ6	Interrupt Request 6	IN	N/A	27K PU
B23	IRQ5	Interrupt Request 5	IN	N/A	27K PU
B24	IRQ4	Interrupt Request 4	IN	N/A	10K PU
B25	IRQ3	Interrupt Request 3	IN	N/A	10K PU
B26	DACK2*	DMA Acknowledge 2	OUT	6 mA
B27	TC	DMA Terminal Count	OUT	4 mA
B28	BALE	Address latch enable	OUT	4 mA
B29	+5V	+5V power	N/A	N/A
B30	OSC	14.3 MHz clock	OUT	6 mA	33 S
B31	GND	Ground	N/A	N/A
B32	GND	Ground	N/A	N/A

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

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Contents Little Board/486e Computer Revision Reason for Change Date Table of Contents Page Technical Specifications Index Technical Support IntroductionThis page left intentionally blank Viii CPU/Motherboard FeaturesChapter General DescriptionVL-Bus Flat Panel/CRT Display Controller Enhanced Embedded-PC BiosIDE Interface Serial PortsEnhanced Parallel Port Floppy InterfaceByte-Wide Socket and Solid State Disk SSD Ethernet LAN InterfaceModular PC/104 Expansion Bus Enhanced ReliabilityHalt Testing Software Little Board Development Platform Overview Interface Connector SummaryConnectors Connector Function Size Key PinConnector and Jumper Locations System I/O Map Jumper Configuration OptionsJumper Group Function Default Address Function Pin Connection DC PowerConnector Type Mating Connector Cooling Requirements Power RequirementsBackup Battery Powerfail Monitor System Memory Map DramMemory Address Function Expanded Memory and Extended MemoryAddresses Serial Ports J11, J13RS-232C Serial Ports RS-485 Serial PortIRQ11 IRQ7 Interrupt AssignmentsSerial Port Connectors J11, J13 ROM-BIOS Installation of the Serial PortsName Pin Ports Pin Signal Function In/Out DB25Pin Signal Name Configuring Serial 2 for RS-485 J6, W5, W6Pin RJ11 Signal Standard Wire Color RS-485 Twisted-Pair Cabling Using RJ11 ConnectorsInterconnection Scheme Examples Using the RS-485 InterfaceSerial Console Hex CommandSerial Handshake COM Port TableUsing a Serial Modem Serial Booting and Serial ProgrammingSelection Address Interrupts Bi-Directional Parallel PortRegister Name Address Primary Secondary Standard and General Purpose I/O Operation ROM-BIOS Installation of Parallel PortsSignal Type Number of Lines Function Output Drive Parallel Port Interrupt Or Function High/Low Pin Parallel Port Interrupt EnableRegister Bit Signal Name In/Out Active J15 J15 Pin Signal Function In/Out DB25 Name Parallel Port Connector J15Register Bit Definitions Signal Name Full Name DescriptionCapacity Drive Size Tracks Data Rate Floppy Disk InterfaceFloppy Drive Considerations Pin Signal Name Function In/Out Floppy Interface ConfigurationFloppy Interface Connector J14 IDE Hard Disk Interface IDE Connector J1225. IDE Drive Interface Connector J12 IDE Interface Configuration Solid-State Disk Preparation Master/Slave SettingCompact Flash Solid-State Disk Enabling the DriveFlat Panel/CRT Video Controller Connecting a CRT J5Name Connector Pins/Type Description Part Description Mating Connector J5 Pin Signal Name DB-15 DB-9W10 +5V Connecting a Flat Panel J3FLM Pin Signal Description NameAdvanced Power Management Power SequencingPgmebios VIDEO=filename Bios Support of Non-Standard PanelsJ4 Pin J3 Pin Description Selecting Vee PolarityLCD Bias Supply Option Ra = 270 Rb = Vee max Vee min / 1.5 Attaching an External Contrast ControlExample Network Terms Ethernet Network InterfaceQNX Installing an Ethernet Boot PromTwisted Pair Interface J7 Twisted-Pair InstallationsInstalling a Boot Prom Installing a Boot Prom in Byte-Wide Socket S0Using Network Operating Systems NOS Program Name Vendor Function Driver Name Network OS DriversControlling the Ethernet LAN Interface Directly 00 40 Manufacturer’s Ethernet IDByte-Wide Socket S0 SSD Device Size Package Generic Type Pins Part NumberWindow Address ROM-BIOS ExtensionsAddressing the Byte-wide Socket Solid State Disk SSD Drives Accessing the Byte-Wide SocketPerformance Issues Device 64KB Segment Address Size Segments Upper Nibble of BH Jumpering the Byte-Wide Socket Byte-Wide Socket SignalsTypical Devices Pins Jumper Diagram W14 Pin Signal Name DescriptionFlash Eprom Programming Using EPROMsFlash Eprom Typical Devices Pins Jumper Diagram Non-volatile RAM Using SRAMsUtility Connector J16 Exsmi Pin Signal Name FunctionLED Connection Push Button Reset ConnectionExternal Battery Connections PC SpeakerBattery-Backed Clock WDT Response Watchdog TimerJumper W4 AL,61H AL,NOT 08H OUT 61H,AL Page AT Expansion Bus Onboard MiniModule Expansion Using Standard PC and AT Bus CardsBus Termination Bus Expansion GuidelinesExpansion Bus Connector Pinouts PU/PD/S Pin Signal Function In/Out Current47. AT Expansion Bus Connector, B1-B32 P1 48. AT Expansion Bus Connector, C0-C19 P2 PU/PD/S Interrupt Function Interrupt and DMA Channel UsageEthernet Video Channel FunctionSerial Parallel Floppy Setup Overview Menu Name Functions Standard CMOS/EEPROM Setup Setup Page 1-Standard CMOS/EEPROM SetupIDE Hard Disk Drives Drive Parameter SetupDate and Time Floppy DrivesPage System Post Error HaltVideo Dram MemoryExtended Bios Setup Page 2-Options/Peripheral ConfigurationSelection Address Interrupt Serial PortParallel Port Port AddressSelection Address Floppy Interface EnableIDE Interface Enable Hot Key Setup EnableBlank Post Test Video StateLocal Bus Video Display Byte-Wide Socket ConfigurationSerial Boot Loader Enable Watchdog Timer ConfigurationFlat Panel Display Type Installing a Modified Bios to Support a New PanelExtended Serial Console Configuration Setup Page 3-Serial Console ConfigurationPage Switch Function Creating Configuration Files with SETUP.COMDIR LPT1 Operation with DOSUtility Software Overview Embedded-PC System Enhancements Little Board/486e CPU SpecificationsOnboard 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