FabiaTech Low Power FB2403 User Manual

Isa cpu card
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FabiaTech Corporation
IPC Solution
Website:
http://www.fabiatech.com
Email:
support@fabiatech.com
ISA CPU Card
Low Power Series
FB2403
User's Manual
MAR 2023
Version: 1.0
Part Number: FB2403
i

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Summary of Contents for FabiaTech Low Power FB2403

  • Page 1 FabiaTech Corporation IPC Solution Website: http://www.fabiatech.com Email: support@fabiatech.com ISA CPU Card Low Power Series FB2403 User’s Manual MAR 2023 Version: 1.0 Part Number: FB2403...
  • Page 2 FabiaTech shall not be reliable for technical or editorial errors or omissions, which may occur in this document. FabiaTech shall not be reliable for any indirect, special, incidental or consequential damages resulting from the furnishing, performance, or use of this document.
  • Page 3: Table Of Contents

    Table of Contents FB2403 User’s Manual ......................i Chapter 1 Introducing the FB2403 CPU Card ................1 Overview..........................1 Layout............................2 Specifications..........................3 Packing List ..........................4 Chapter 2 Hardware Installation ....................5 Before Installation ........................5 Hardware Features.........................6 CN1: Parallel Port Connector................7   CN2: IDE hard Disk Connector................8  ...
  • Page 4 Keyboard Convention ..................23   Main Setup ..........................24 Advanced Setup........................25 CPU Configuration....................26   IDE Configuration....................27   Floppy Configuration ..................29   Super IO Configuration ..................30   Remote Access Configuration ...............32   USB Configuration .....................34   PCIPnP Setup.........................35 Boot Setup ..........................37 Boot Setting Configuration ................38  ...
  • Page 5 Physical and Environmental ................64   Real-Time Clock and Non-Volatile RAM ............64   CMOS RAM Map....................66   I/O Port Address Map..................67   Interrupt Request Lines (IRQ) ................68   Serial Ports ......................69   Appendix........................... 73 Dimension ..........................73...
  • Page 7: Chapter 1 Introducing The Fb2403 Cpu Card

    FabiaTech Corporation Chapter 1 Introducing the FB2403 CPU Card Overview The FB2403 is a Vortex86DX Low power processor, all in one CPU board. This user’s manual provides information on the physical features, installation, and BIOS setup. Built to unleash the total potential of the Vortex86DX Processor, the FB2403 is a single board computer capable of handling today’s demanding requirements.
  • Page 8: Layout

    FabiaTech Corporation Layout LED1 JP10 BUS1 CN12 CN11 BUS2 BUS3...
  • Page 9: Specifications

    FabiaTech Corporation Specifications Vortex86DX (800MHz) Low Power CPU. Onboard 128MB DDR2 RAM. One Integrated R6040 10M/100M Base-TX Ethernet port. SMI SM712 VGA Controller support VGA port. Two RS-232 ports, One RS232 port and one RS232/RS422/RS485 port. Four USB (V2.0) ports and one PCI IDE interface Compact Flash socket for Compact Flash module.
  • Page 10: Packing List

    FabiaTech Corporation Packing List Upon receiving the package, verify the following things. If any of the mentioned happens, contact us for immediate service. • Unpack and inspect the FB2403 package for possible damage that may occur during the delivery process.
  • Page 11: Chapter 2 Hardware Installation

    FabiaTech Corporation Chapter 2 Hardware Installation This chapter introduces the system connectors & jumper settings, and guides you to apply them for field application. Before Installation Before you install the system, make sure you follow the below descriptions. 1. Before removing the board from its anti-static bag, wear an anti-static strap to prevent the generation of Electricity Static Discharge (ESD).
  • Page 12: Hardware Features

    FabiaTech Corporation Hardware Features The following list is for the setup of the connectors and jumpers of the FB2403. Item Description Parallel port connector (IDC 26-pin 2.0mm) IDE 1 hard disk connector (IDC 40-pin 2.54mm) Floppy connector (IDC 34-pin 2.54mm) RS-232 port 2 connector (IDC 10-pin 2.54mm)
  • Page 13: Cn1: Parallel Port Connector

    FabiaTech Corporation CN1: Parallel Port Connector The included printer interface cable is used to transfer 26-pin connector into standard DB25 connector. LED1 JP10 BUS1 CN12 CN11 BUS2 BUS3 CN1 DB-25 Signal CN1 DB-25 Signal -STROBE -AUTO FORM FEED DATA 0...
  • Page 14: Cn2: Ide Hard Disk Connector

    FabiaTech Corporation CN2: IDE hard Disk Connector CN2 is 40-pin 2.54mm IDE hard disk connector. The included hard disk is able to attach up to two hard disk drives. LED1 JP10 BUS1 CN12 CN11 BUS2 BUS3 Signal Signal -RESET GROUND...
  • Page 15: Cn3: Floppy Connector

    FabiaTech Corporation CN3: Floppy Connector The included floppy drive interface cable is used standard 34-pin connector. The following table shows signal connections 34-pin connectors. LED1 JP10 BUS1 CN12 CN11 BUS2 BUS3 Signal Signal Drive Enable A -Track 0 Drive Enable B...
  • Page 16 FabiaTech Corporation Serial Port 2 (CN4, JP1, JP8, JP9 & JP10) The Serial port 2 is designed for multiple proposes. It could be RS-232, RS-422 or RS- 485 by selecting JP1/JP8/JP10, and use JP9 (1-3 pin close) to enable or disable (3-5 pin close) terminator if RS-485 mode is selected.
  • Page 17: Cn9: Rj45 Lan Connector

    FabiaTech Corporation CN9: RJ45 LAN Connector The CN9 contain LAN twist pair signals and LAN accesses indicator signal is RJ45 type connector with 2 LED indicators. The down side LED (orange) indicates data is accessing and the up side LED (green) indicates on-line status. (When lighted indicates on-line and off indicates off-line).
  • Page 18: J1 & J2: Usb#0/1/2/3 Connector

    FabiaTech Corporation J1 & J2: USB#0/1/2/3 Connector J1 and J2 is a 10-pin connector. Use included adapter cable (Optional) for transfering to standard four port USB connector. The J1 is USB #0/1 port and the J2 is USB#2/3 port. J1 & J2...
  • Page 19: J5/Jp4 & J6: Battery Select And Cmos Data Clear Jumper

    FabiaTech Corporation J5/JP4 & J6: Battery Select and CMOS Data Clear Jumper J5 is used to connect an external battery pack if on-board Lithium battery is empty, and please setting JP4 properly of in-board battery or external battery .You can use J6 to clear CMOS data.
  • Page 20: J7: Ttl I/O Connector 8-In/8-Out

    FabiaTech Corporation J7: TTL I/O Connector 8-IN/8-Out LED1 JP10 BUS1 CN12 BUS2 BUS3 CN11 TTL Lines Bit Location TTL Lines Bit Location Output Line 0 Bit 0 of 78h Input Line 0 Bit 0 of 79h Output Line 1 Bit 1 of 78h...
  • Page 21: Cf1 & Jp2: Compact Flash Socket & Master/Slave Select

    FabiaTech Corporation CF1 & JP2: Compact Flash Socket & Master/Slave Select The Compact Flash socket CF1 (on the solder side) is supports Compact Flash module. JP2 (on the top side) is used to select master/slave device of this socket. LED1...
  • Page 22: Bus1: Pc/104 Bus Connectors

    FabiaTech Corporation BUS1: PC/104 Bus Connectors LED1 JP10 BUS1 – BUS A & B BUS1 – BUS C & D BUS1 CN12 CN11 BUS2 BUS3 PC/104 A & B Pin Signal Signal Signal Signal -IOCHK SA14 Ground -DACK1 SA13 RSTDRV...
  • Page 23: Chapter 3 Installing Display

    FabiaTech Corporation Chapter 3 Installing Display This chapter describes the configuration and installation procedure of LCD Modules and CRT (LCD) monitor. Both CRT (LCD) Monitor and LCD module may be used at the same time. However, each type of LCD module requires different BIOS setting.
  • Page 24: Crt (Lcd) Monitor & Lcd Module Display

    FabiaTech Corporation CRT (LCD) Monitor & LCD Module Display The FB2403 supports a VGA colored monitor and a LVDS LCD. It can be connected to create a compact video solution for the industrial environment. 4MB simulated VRAM allows a maximum VGA resolution of 1024X748 with 64K colors.
  • Page 25: Cn7 & Cn5: Lcd Connector And Power Connector (Optional)

    FabiaTech Corporation CN7 & CN5: LCD Connector and Power Connector (Optional) CN7 is a 24-bit LCD interface connector and CN5 is the power connector for inverter board or LED LCD. The pin assignments are listed in the following table. LED1...
  • Page 26: Cn6: Lvds Lcd Connector (Optional)

    CN12 BUS2 BUS3 CN11 Signal Signal Ground Ground Ground Ground YCK+ YCK- Ground Ground Ground Ground Ground Ground +3.3V +3.3V NOTE: If any trouble occurs when connecting FB2403 with LCD panels, you could contact technical support division of FabiaTech Corporation.
  • Page 27: Chapter 4 Bios Setup

    FabiaTech Corporation Chapter 4 BIOS Setup This chapter describes the BIOS setup. Overview BIOS are a program located on a Flash memory chip on a circuit board. It is used to initialize and set up the I/O peripherals and interface cards of the system, which includes time, date, hard disk drive, the ISA bus and connected devices such as the video display, diskette drive, and the keyboard.
  • Page 28: Bios Functions

    FabiaTech Corporation BIOS Functions On the menu, you can perform the following functions 1. Main 2. Advanced CPU Configuration IDE Configuration Floppy Configuration Super IO Configuration Remote Access Configuration USB Configuration 3. PCIPnP 4. Boot Boot Settings Configuration Boot Device Priority...
  • Page 29: Keyboard Convention

    FabiaTech Corporation Discard Changes: Discard changes down so far any of the set questions. F7 key can be used this operation. Load Optimized Default: to auto configure the system according to optimal setting with pre-defined values. This is also the factory default setting of the system when you receive the board.
  • Page 30: Main Setup

    FabiaTech Corporation Main Setup This section describes basic system hardware configuration, system clock setup and BIOS version information. If the CPU board is already installed in a working system, you will not need to select this option anymore. System Memory...
  • Page 31: Advanced Setup

    FabiaTech Corporation Advanced Setup Select the Advanced tab from the setup screen to enter the Advanced BIOS Setup screen. You can select any of the items in the left frame of the screen, such as IDE Configuration, to go to the sub menu for that item. You can display an Advanced BIOS Setup option by highlighting it using the <Arrow>...
  • Page 32: Cpu Configuration

    FabiaTech Corporation CPU Configuration You can use this screen to select options for the CPU information. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option.
  • Page 33: Ide Configuration

    FabiaTech Corporation IDE Configuration You can use this screen to select options for the IDE Configuration Settings. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. A description of the selected item appears on the right side of the screen.
  • Page 34 FabiaTech Corporation support this feature, then you must configure the hard disk drive in the standard method as described above by the <USER> option. PIO MODE PIO means Programmed Input/Output. Rather than have the BIOS issue a series of commands to affect a transfer to or from the disk drive, PIO allows the BIOS to tell the controller what it wants and then let the controller and the CPU perform the complete task by them.
  • Page 35: Floppy Configuration

    FabiaTech Corporation Floppy Configuration You can use this screen to specify options for the Floppy Configuration Settings. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option. The settings are described on the following pages.
  • Page 36: Super Io Configuration

    FabiaTech Corporation Super IO Configuration This section describes the function of Super I/O settings. OnBoard Floppy Controller This field enables the floppy drive controller on the FB2403. Available Options: Disabled, Enabled and Auto Default setting: Auto Floppy Drive Swap The field reverses the drive letter assignments of your floppy disk drives in the Swap A, B setting, otherwise leave on the default setting of Disabled (No Swap).
  • Page 37 FabiaTech Corporation Serial Port 3~ 4 Address (Optional) These fields select the I/O port address for each Serial port. Available Options: Disabled, 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ5, and 2E8/IRQ10. Default setting: 3E8H/IRQ5, 2E8/IRQ10 Parallel Port Address This field selects the I/O port address for parallel port.
  • Page 38: Remote Access Configuration

    FabiaTech Corporation Remote Access Configuration This option turns on remote access support in the BIOS and is the default setting. The remote access feature requires the use of the serial port1 connector at the CN3 or CN4 of the FB2403.
  • Page 39 FabiaTech Corporation Serial Port Mode This field is select Serial port1 can use any mode. Just keep in mind that the bits per second, data bits, parity, and stop bits must match terminal setting. Available Options: 115200 8,n,1/57600 8,n,1/38400,8,n,1/19200,8,n,1/9600,8,n,1 Default setting: 9600, 8, n, 1 Flow Control This field is Serial port1 can use flow control for console redirection.
  • Page 40: Usb Configuration

    FabiaTech Corporation USB Configuration You can use this screen to select options for the USB Configuration. Legacy USB Support Legacy USB Support refers to the USB mouse and USB keyboard support. Normally if this option is not enabled; any attached USB mouse or USB keyboard will not become available until a USB compatible operating system is fully booted with all USB drivers loaded.
  • Page 41: Pcipnp Setup

    FabiaTech Corporation PCIPnP Setup Select the PCI/PnP tab from the setup screen to enter the Plug and Play BIOS Setup screen. You can display a Plug and Play BIOS Setup option by highlighting it using the <Arrow> keys. All Plug and Play BIOS Setup options are described in this section. The Plug and Play BIOS Setup screen is shown below.
  • Page 42 FabiaTech Corporation PCI IDE BusMaster This option is to specify that the IDE controller on the PCI local bus have bus- mastering capability. Available Options: Enabled, Disabled Default setting: Disabled IRQ 3 –15 When I/O resources are controlled manually, you can assign each system interrupt as one of the following types, based on the type of device using the interrupt: Available: Specified IRQ is available to the used by PCI/PnP devices.
  • Page 43: Boot Setup

    FabiaTech Corporation Boot Setup Select the Boot tab from the setup screen to enter the Boot BIOS Setup screen. You can select any of the items in the left frame of the screen, such as Boot Device Priority, to go to the sub menu for that item. You can display a Boot BIOS Setup option by highlighting it using the <Arrow>...
  • Page 44: Boot Setting Configuration

    FabiaTech Corporation Boot Setting Configuration Quick Boot This field is used to activate the quick boot function of the system. When set to Enabled, 1. BIOS will not wait for up to 40 seconds if a Ready signal is not received from the IDE drive, and will not configure its drive.
  • Page 45 FabiaTech Corporation PS/2 Mouse Support The PS/2 mouse function is optional. Before you configure this field, make sure your system board supports this feature. The setting of Enabled allows the system to detect a PS/2 mouse on boot up. If detected, IRQ12 will be used for the PS/2 mouse.
  • Page 46: Boot Device

    FabiaTech Corporation Boot Device Use this screen to specify the order in which the system checks for the device to boot from. To access this screen, select Boot Device Priority on the Boot Setup screen and press <Enter>. First /Second /Third Hard Disk Boot Device Set the boot device options to determine the sequence in which the computer checks which device to boot from.
  • Page 47: Hard Disk Drives

    FabiaTech Corporation Hard Disk Drives Use this screen to view the hard disk drives in the system. To access this screen, select Hard disk drives on the Boot Setup screen and press <Enter>. Removable Drives Use this screen to view the removable drives in the system. To access this screen,...
  • Page 48: Security Setup

    FabiaTech Corporation Security setup There are two security passwords: Supervisor and User. Supervisor is a privileged person that can change the User password from the BIOS. According to the default setting, both access passwords are not set up and are only valid after you set the password from the BIOS.
  • Page 49 FabiaTech Corporation 6. Point to Save Settings and Exit and press Enter. 7. Press Y when you see the message, “Save Current Settings and Exit (Y/N)?” Note: it is suggested that you write down the password in a safe place to avoid that password may be forgotten or missing.
  • Page 50: Chipset Setup

    FabiaTech Corporation Chipset Setup This section describes the configuration of the board’s chipset features. • NorthBridge Configuration • SouthBridge Configuration...
  • Page 51: Northbridge Configuration

    FabiaTech Corporation Northbridge Configuration You can use this screen to select options for the North Bridge Configuration. Use the up and down <Arrow> keys to select an item. Use the <Plus> and <Minus> keys to change the value of the selected option.
  • Page 52 FabiaTech Corporation tRFC This field specifies the DDR Memory Timing: REF/ACT to REF/ACT delay. Available Options: 1 ~ 63. Default setting: 38 This field specifies the DDR Memory Timing: PRE to ACT command period. Available Options: 0, 1, 2, 3, 4, 5, 6, and 7...
  • Page 53 FabiaTech Corporation SMI712 Flat Panel Configuration (Optional) This field item is for FB2403x, when using the LCD the field specifies the selections of display for different TFT LCD display type. Boot Display Device This field specifies which VGA display will be used when the system is boot. You can select either the LCD or the CRT booting on the VGA.
  • Page 54: Southbridge Configuration

    FabiaTech Corporation Southbridge Configuration You can use this screen to select options for the South Bridge Configuration. South Bridge is a chipset on the motherboard that controls the basic I/O functions, LAN port, and audio function. OnBoard IDE Operate Mode This item specifies the Native Mode ONLY for Windows(R) XP and 2000.
  • Page 55 FabiaTech Corporation ISA Configuration ISA Clock This field sets the polling clock speed of ISA Bus (PC/104). Available Options: 8.3MHz and 16.6 MHz Default setting: 8.3MHz NOTE:1. PCICLK means the PCI BUS inputs clock (33Mhz). 2. User is recommended to use setting at 8.3MHz.
  • Page 56 FabiaTech Corporation Serial Port Configuration This section describes the function of Serial ports settings. SB Serial Port 1~ 2 Address These fields select the I/O port address for each Serial port. Available Options: Disabled, 3F8H, 2F8H, 3E8H, and 2E8H. Default setting: 3F8H/2F8H Serial Port 1 ~ 2 IRQ This field is the Serial port 1 Interrupt.
  • Page 57 FabiaTech Corporation Watchdog Configuration Watchdog 0/1 Function This field specifies the Enabled or Disabled of the Watchdog Function. Available Options: Disabled and Enabled Default setting: Disabled Watchdog 0/1 Signal Select This field is the Select IRQ, NMI or Reset signal trigger of onboard watchdog.
  • Page 58 FabiaTech Corporation...
  • Page 59: Chapter 5 Driver And Utility

    FabiaTech Corporation Chapter 5 Driver and Utility The enclosed diskette includes FB2403 VGA and LAN driver. To install and configure you FB2403 system, you need to perform the following steps. VGA Drivers Windows Driver To install the VGA driver, insert the DVD ROM into the DVD ROM device, and enter DRIVER>VGA>SMI712.
  • Page 60: Lan Driver

    FabiaTech Corporation LAN Driver Windows XP Driver To install the LAN driver, insert the DVD ROM into the DVD ROM device, and enter DRIVER>LAN>DMPDX3>XP. If your system is not equipped with a DVD ROM device, copy the LAN driver from the DVD ROM to a CF or USB flash driver.
  • Page 61: Watchdog Timer

    FabiaTech Corporation Watchdog Timer This section describes how to use the Watchdog Timer 0 and Watchdog Timer 1, including disabled, enabled, and triggers functions. The FB2403 is equipped with a programmable time-out period watchdog timer. User can use the program to enable the watchdog timer. Once you have enabled the watchdog timer, the program should trigger it every time before it times out.
  • Page 62 FabiaTech Corporation Watchdog timer – WDT0 and WDT1 WDT 0 WDT 1 D7…D0 D7…D0 D7…D0 Counter [MSB …LSB] For example: WDT 0 WDT 1 30.5 μsec 61.0μsec 7.8 m sec 15.6 m sec 2 sec 4 sec 512 sec Select Watchdog Report Signal - WDT0 and WDT1...
  • Page 63: Setup Watchdog Timer Step - Wdt0 And Wdt1

    FabiaTech Corporation NOTE: 1. If you program the watchdog to generate IRQ15 signal when it times out, you should initial IRQ15 interrupt vector and enable the second interrupt controller (8259 PIC) in order to enable CPU to process this interrupt. An interrupt service routine is required too.
  • Page 64 FabiaTech Corporation Watchdog Timer Enabled To enable the watchdog timer 0 (WDT 0), you have to output a byte of timer factor to the watchdog register whose index address is 22h and data port is 23H. The following is an Assemble program, which demonstrates how to enable the watchdog timer and set the time-out period at 4 seconds.
  • Page 65 FabiaTech Corporation Watchdog Timer Trigger After you enable the watchdog timer, your program must write the same factor as enabling to the watchdog register at least once every time-out period to its previous setting. You can change the time-out period by writing another timer factor to the watchdog register at any time, and you must trigger the watchdog before the new time-out period in next trigger.
  • Page 66 FabiaTech Corporation WDT1 setup Step: 1. Write time into register 6Ah-6Ch. 2. Select signal from register 69h. 3. Set register 68h bit 8 to enable WDT1. To clear the watchdog timer counter: 1. Write any value to register 67H Watchdog Timer Enabled To enable the watchdog timer 1 (WDT 1), you have to output a byte of timer factor to the watchdog ports address is 68h.
  • Page 67: Chapter 6 Technical Reference

    FabiaTech Corporation Chapter 6 Technical Reference This section outlines the errors that may occur when you operate the system, and also gives you the suggestions on solving the problems. Topic include: Trouble Shooting for Post Beep & Error Messages Technical Reference Trouble Shooting for Post Beep and Error Messages The following information informs the Post Beep &...
  • Page 68 FabiaTech Corporation CMOS CHECKSUM ERROR This error informs that the CMOS has corrupted. When the battery runs weak, this situation might happen. Please check the battery and change a new one when necessary. DISK BOOT FAILURE When you can‘t find the boot device, insert a system disk into Drive A and press <...
  • Page 69 FabiaTech Corporation MEMORY SIZE HAS CHANGED Memory has been added or removed since last boot. In EISA mode, use Configuration Utility to re-configure the memory configuration. In ISA mode enter BIOS Setup and enter the new memory size in the memory fields.
  • Page 70: Technical Reference

    FabiaTech Corporation Technical Reference Physical and Environmental Temperature: Operating 0°C ~ 60°C Relative humidity 5 % to 95 % non-condensing Real-Time Clock and Non-Volatile RAM The FB2403 contains a real-time clock compartment that maintains the date and time in addition to storing configuration information about the computer system. It contains 14 bytes of clock and control registers and 114 bytes of general purpose RAM.
  • Page 71 FabiaTech Corporation Address Description Fixed disk type byte, drive D Reserved Equipment byte Low base memory byte High base memory byte Low expansion memory byte High expansion memory byte 19-2D Reserved 2E-2F 2-byte CMOS checksum Low actual expansion memory byte...
  • Page 72: Cmos Ram Map

    FabiaTech Corporation CMOS RAM Map Register Description 00h -10h Standard AT-compatible RTC and Status and Status Register data definitions 11h – 13h Varies Equipment Bits Number of Floppy Drives 1 Drive 2 Drives Bits Monitor Type Not CGA or MDA 01 40x25 CGA...
  • Page 73: I/O Port Address Map

    FabiaTech Corporation I/O Port Address Map Each peripheral device in the system is assigned a set of I/O port addresses, which also becomes the identity of the device. There is a total of 1K-port address space available. The following table lists the I/O port addresses used on the Industrial CPU Card.
  • Page 74: Interrupt Request Lines (Irq)

    FabiaTech Corporation Interrupt Request Lines (IRQ) There are a total of 15 IRQ lines available on the Industrial CPU Card. Peripheral devices use interrupt request lines to notify CPU for the service required. The following table shows the IRQ used by the devices on the Industrial CPU Card.
  • Page 75: Serial Ports

    FabiaTech Corporation Serial Ports The ACEs (Asynchronous Communication Elements ACE1 to ACE2) are used to convert parallel data to a serial format on the transmit side and convert serial data to parallel on the receiver side. The serial format, in order of transmission and reception, is a start bit, followed by five to eight data bits, a parity bit (if programmed) and one, one and half (five-bit format only) or two stop bits.
  • Page 76 FabiaTech Corporation Bit 1: Enable Transmitter Holding Empty Interrupt (ETBEI) Bit 2: Enable Receiver Line Status Interrupt (ELSI) Bit 3: Enable MODEM Status Interrupt (EDSSI) Bit 4: Must be 0 Bit 5: Must be 0 Bit 6: Must be 0...
  • Page 77 FabiaTech Corporation Bit 5: Stick Parity Bit 6: Set Break Bit 7: Divisor Latch Access Bit (DLAB) MODEM Control Register (MCR) Bit 0: Data Terminal Ready (DTR) Bit 1: Request to Send (RTS) Bit 2: Out 1 (OUT 1) Bit 3: Out 2 (OUT 2)
  • Page 78 FabiaTech Corporation Bit 4: Clear to Send (CTS) Bit 5: Data Set Ready (DSR) Bit 6: Ring Indicator (RI) Bit 7: Received Line Signal Detect (RSLD) Divisor Latch (LS, MS) Bit 0: Bit 0 Bit 8 Bit 1: Bit 1...
  • Page 79: Appendix

    FabiaTech Corporation Appendix Dimension Top Side...
  • Page 80 FabiaTech Corporation Solder Side...

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