RadiSys EPC-8A Specifikace

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EPC-8 Hardware Reference Page ix List of Tables Table 1-1. EPC-8 Environmental Specifications ... 1-4 Table 1-2.

EPC-8 Hardware Reference E E E-6 EXP-BP5 Subplane The EXP-BP5 subplane is used to build a system with a processor, four EXM modules, and an

Subplanes E E E-7 EXP-BP4A Subplane The EXP-BP4A subplane is used in systems needing a CPU and six EXM modules. The EXP-BP4A has seven c

EPC-8 Hardware Reference E E E-8 EXP-BP6 Subplane The EXP-BP6 subplane is used in a configuration with an EPC-8 processor module, six EXM modules, a

F-1 F F Appendix F - Registers Registers Specific to the EPC-8 Registers in the I/O space that are specific to the EPC-8 are defined

EPC-8 Hardware Reference F F F-2 0 MODID SYSR R RESDET 1 1 1 8145 Status/Control Register, upper 1 1 1 1 1 1 1 1 8146 Reserved, low

Registers F F F-3 IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 IRQ2 IRQ1 MSGR 8152 VME Interrupt State Register IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 IRQ2 IRQ1 MSGR

EPC-8 Hardware Reference F F F-4 VME-32 VME 32-bit enable. If set (1), this bit enables VME accesses through the 32-bit addressing mechanism. When

Registers F F F-5 VME A21-16 Address Register (8130) VMEbus Address bits 21-16 1 1 When an access is performed by the EPC-8 in its "E pag

EPC-8 Hardware Reference F F F-6 This register adheres to the VXIbus specification and also contains EPC-8 specific bits. SRIE SYSRESET i

Registers F F F-7 SYSR SYSRESET. The EPC-8 asserts the VME SYSRESET line while this bit is 1. When using this bit, it is the software's res

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EPC-8 Hardware Reference F F F-8 A write to the signal register is a happening of some significance for the EPC8, since it potentially asserts an EPC

Registers F F F-9 WRCP This EPC-8 specific bit is a read-only copy of the WRDY bit. FSIG Defined only when SIG=1, in which case FSIG is the number

EPC-8 Hardware Reference F F F-10 Reserved (814C & 814D) These registers are reserved and return 1s when read. Writes to these registers have no

Registers F F F-11 BORD Byte order. This bit controls the ordering of data bytes for D16 and D32 VMEbus accesses. If 0, the by

EPC-8 Hardware Reference F F F-12 BERR This bit is cleared (asserted low) when an access from the EPC-8 to the VMEbus is terminated wit

Registers F F F-13 Bit 7 of register 8158 is read-only and returns the value of the slot1 jumper setting . If the slot 1 shunt is installed (slot1

EPC-8 Hardware Reference F F F-14 SWDT Slow watchdog timer. FWDT and SWDT produce the following timeout values: 00 - disables events from

Registers F F F-15 Offset from ULA Upper byte Lower byte 0 ID (8141) ID (8140) 2 Device type (8143) Device type (8142) 4 Status/control (8145)

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G-1 G G Appendix G - XFORMAT Software for the EPC-8 XFORMAT Software XFORMAT is a utility program used to build DOS file structures on

1 1 1-1 Chapter 1 - Product Description Overview The EPC-8 is a highly integrated PC-compatible computer designed specifically for use in

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H-1 H H Appendix H - AUTOSET Software AUTOSET Software The AUTOSET program is used to configure the Ethernet controller. Since this may be set

EPC-8 Hardware Reference HH H-2 Using the AUTOSET Program Make sure that network software is NOT currently running on the computer system. If netwo

AUTOSET Software HH H-3 The following options are in the main menu: Display/Change Adapter Configuration, Diagnostics, and Quit. To initialize an E

EPC-8 Hardware Reference HH H-4 4. Select the Interrupt Assignment. Be sure to avoid any interrupts used by other interfaces in the syst

AUTOSET Software HH H-5 Novell Configuration There are several pre-set Novell Configuration options programmed into the AUTOSET program th

EPC-8 Hardware Reference HH H-6 For Microsoft Windows, include the following statement in the [386Enh] section of the SYSTEM.INI file: EMMExcl

AUTOSET Software HH H-7 Boot PROM (This option is for systems with an EXM-10A installed. The EPC-8 does not support the boot PROM option of A

EPC-8 Hardware Reference HH H-8 Diagnostics Once the LAN adapter is installed and cabled, use the AUTOSET diagnostic program to check the adapter in

AUTOSET Software HH H-9 Error - multiple boot ROM's detected This error has been automatically corrected Please re-power the PC to enable the c

EPC-8 Hardware Reference 1 1 1-2 o Phoenix BIOS with RadiSys enhancements to support the additional on-board features and VMEbus environmen

EPC-8 Hardware Reference HH H-10 Incorrect PROM ID Byte This message displays when there is a hardware problem in the EEPROM. I/O mode is thus disabl

I-1 I I Appendix I - SVGA Video Controller Hardware The EPC-8 contains an SVGA graphics controller using the Cirrus Logic SVGA GD54xx. T

EPC-8 Hardware Reference I I I-2 Introduction This section provides operating instructions for user utilities and installation instructions

SVGA I I I-3 Easy installation The installation utility is provided to facilitate the smooth installation of the display drivers and utility sof

EPC-8 Hardware Reference I I I-4 Utility software Several utility programs are supplied with you Cirrus Logic SVGA software. The followin

SVGA I I I-5 Select the Monitor Type button. The Monitor Type setup window will be displayed. The current monitor type will be highlighted in

EPC-8 Hardware Reference I I I-6 Centering adjust Centering is available while in Video Modes Preview (only for extended Graphics modes 5

SVGA I I I-7 Getting help CLMode provides Help for the following items: Configuration, Monitor Type, Video Modes, Mouse, Keyboard and About CL

EPC-8 Hardware Reference I I I-8 Where: {modenum} mode number {montype} monitor type Valid monitor types: 0 VGA 1 8514 2 Super VGA 3

SVGA I I I-9 Monitor Type Examples Horizontal Frequency (kHz) Vertical Frequency (Hz) Display Resolutions 0 IBM 8512, 8513, 8503 31.5 60 640x48

Product Description 1 1 1-3 VMEbus The VMEbus implementation provides a complete bus interface with enhancements for multiprocessor envir

EPC-8 Hardware Reference I I I-10 SetRES The SetRES utility runs under Windows 3.1 and allows the user to change the screen resolution, number of a

SVGA I I I-11 Power management screen saver About the screen saver The Display Power Manager for Windows 3.1 provides a mechanism to contro

EPC-8 Hardware Reference I I I-12 The screen saver will cycle through all of the selected power saving modes one after another until the maximum

SVGA I I I-13 Using the screen saver When the screen saver is started, it will initially display a bouncing logo on a black background. To enabl

EPC-8 Hardware Reference I I I-14 Display drivers The Cirrus Logic video controller is 100% VGA compatible. The display drivers describ

SVGA I I I-15 Installing Windows 3.1 display drivers If you haven't already installed the SetRES utility program, these instructions

EPC-8 Hardware Reference I I I-16 To install the Windows 3.1 drivers from within Windows, proceed as follows: 1. Ensure that Windows 3.1 is already

J-1 J J Appendix J - Error Messages & Diagnosis Troubleshooting This section deals with problems that you may encounter that do not provide an

EPC-8 Hardware Reference JJ J-2 Symptoms Possible cause(s) Solution System appears to boot (evidenced by RUN LED being on, floppy and hard

Error Messages and Diagnosis J J J-3 Symptoms Possible cause(s) Solution System fails at power-up -will not run power-on self-test. May be

EPC-8 Hardware Reference 1 1 1-4 The EPC-8 includes a complete set of VXIbus-defined message-based device registers. These registers, impleme

EPC-8 Hardware Reference JJ J-4 Symptoms Possible cause(s) Solution System will not talk across VMEbus. The VMEbus backplane

Error Messages and Diagnosis J J J-5 BIOS Beep Codes If the BIOS detects a critical error condition while running the Power On Self Test (

EPC-8 Hardware Reference JJ J-6 Common Error Messages This section contains a summary of error and warning messages alphabetized by mess

Error Messages and Diagnosis J J J-7 Diskette drive A error or Diskette drive B error Problem: The floppy diskette(s) installed in the syste

EPC-8 Hardware Reference JJ J-8 EXM configuration error (with two short beeps) Problem: The EXMs installed (or not installed) do not match the conf

Error Messages and Diagnosis J J J-9 Keyboard error (with two short beeps) Problem: This message indicates that the system did not recognize a keyb

EPC-8 Hardware Reference JJ J-10 Missing operating system Problem: Although the system could read the hard disk and find the active part

Error Messages and Diagnosis J J J-11 Not ready reading drive ... Problem: This is usually caused by not fully inserting a diskette into the floppy

EPC-8 Hardware Reference JJ J-12 System battery is dead - Replace and run SETUP Problem: The CMOS clock battery indicator shows the battery is dead

K-1 KK Appendix K - Configuring the Ethernet Drivers After the EPC-8 is installed, cabled and configured, follow the instructions in thi

Product Description 1 1 1-5 The following table contains additional specifications. Characteristic Value Electrical Current +5V 4.0A ty

EPC-8 Hardware Reference K-2 KK NetWare IPX Driver for DOS Installation The Internet Packet Exchange (IPX) drivers provided with the EPC-8

Configuring the Ethernet Drivers K-3 KK Then add the following programs into the AUTOEXEC.BAT file: LSL.COM Link support layer ATLANTIC.COM M

EPC-8 Hardware Reference K-4 KK 6. Modify/create NET.CFG according to the environment. For example: Link Driver NE2000 Frame Ethern

Configuring the Ethernet Drivers K-5 KK Packet Driver Installation The diskettes distributed with the EPC-8 contain two packet drivers nam

EPC-8 Hardware Reference K-6 KK 5. Select the File Manager icon. Select "Network Connection" under the Disk Menu. Additional drive

Configuring the Ethernet Drivers K-7 KK Disabling the COM2 Serial Port Driver. The SCO UNIX COM2 serial port driver can be disabled in version

EPC-8 Hardware Reference K-8 KK VenturCom VENIX Installation Configuring an EPC-8 Ethernet controller to work with VenturCom VENIX requires that th

Configuring the Ethernet Drivers K-9 KK LynxOS Installation The EPC-8 must be configured by the AUTOSET program in Shared Memory (WD8013-

EPC-8 Hardware Reference K-10 KK Install TCP/IP into the Kernel Before starting the install script, decide on a host name and check with the Network

Index-1 Index A A16, 4-18, 5-3, 5-4, 5-10, F-14 A24, 5-3, 5-4, 5-10, F-5 A32, 5-3, 5-4, 5-6, 5-10, F-5 ACFAIL, 5-7, F-11 address lines, 5-3 addres

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EPC-8 Hardware Reference Index-2 D D08, 4-17, 4-18 D16, 4-17, 4-18 D32, 4-17, 4-18 daisy chain, 2-2, 4-16 daisy-chain lines, 2-4 DB-25, C-2 DB-9, C-

Index Index-3 interrupt generator register, 4-18 interrupt mapping, B-1 interrupts, 5-7 IPX, K-1, K-2, K-3, K-4 IRQ10 interrupt, F-11, F-12 J J1 con

EPC-8 Hardware Reference Index-4 R Read ready, F-8 REAL TIME CLOCK ERROR, J-11 reboot, 4-11 Release on request, F-4 Request on no request, F-4 reset

Index Index-5 video BIOS, 4-4 Video controller CLMode, I-7 monitor type examples, I-9 Power Manager screen saver, I-11 SetRES utility, I-10 Video Mo

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Configuration and Installation 2 2 2-1 Chapter 2 - Configuration and Installation In order to configure and install the EPC-8, the following steps m

EPC-8 Hardware Reference 2 2 2-2 Configuring the EPC-8 Slot-1 Functionality Every VMEbus system must have a System (Slot-1) Controller. The Slot

______________________________________________________________________ 07-0226-01 June 1995 EPC-8 Hardware Reference  RadiSys Corp

Configuration and Installation 2 2 2-3 JP3 AliveJP5 FlashJP5 FlashJP4 BIOSJP2 Loop JP6 rcvrSlot 1 Controller Jumper Figure 2-1. Jumper Locations.

EPC-8 Hardware Reference 2 2 2-4 The EPC-8 plus EXM expansion modules plus any mass storage module can be considered together as a sing

Configuration and Installation 2 2 2-5 xxxOUTxxxINxxxOUTxxxINxxxOUTxxxINVMEbus SlotsxxxINxxxOUT Figure 2-2. Daisy-Chain Signal Concept. The daisy-c

EPC-8 Hardware Reference 2 2 2-6 indicates jumper needed Figure 2-3. Backplane Jumpers Required for EPC-8 Subsystem. The figure above shows th

Configuration and Installation 2 2 2-7 Once you have determined where the jumpers need to be, you must determine how to jumper your particular bac

EPC-8 Hardware Reference 2 2 2-8 J1 ConnectorsBG0BG1BG2BG3IACK Figure 2-5. VMEbus Jumpers on Front Stake Pins. Consult your VME chassis refere

Configuration and Installation 2 2 2-9 EPC-8 Insertion The EPC-8 must be installed onto a subplane that fits between the EPC-8 and th

EPC-8 Hardware Reference 2 2 2-10 The next step of installation is connecting peripherals, typically a video display and keyboard, but a

3-1 3 3 Chapter 3 - BIOS Configuration Introduction The EPC-8 uses the Phoenix BIOS to configure and select various system options. Th

EPC-8 Hardware Reference 3 3 3-2 Use the up and down cursor (arrow) keys to move from field to field. Use the right and left arrows to move from m

EPC-8 Hardware Reference Page ii Portions of this manual are Copyright 1993-1994 Cirrus Logic, Inc. AT/LANTIC is a trademark of National Semic

BIOS Configuration 3 3 3-3 The fields in each menu and sub-menu are explained below. Additional help information is available in the h

EPC-8 Hardware Reference 3 3 3-4 There are two more lines on the Main BIOS Setup Screen: ‘‘System Memory’’ and ‘‘Extended Memory.’’ These are

BIOS Configuration 3 3 3-5 Existing (formatted) disks must be set up using the same parameters that were used originally when the disk was

EPC-8 Hardware Reference 3 3 3-6 PhoenixBIOS Setup - Copyright 1992-94 Phoenix Technologies Ltd.Boot OptionsItem Specific HelpBoot Delay:

BIOS Configuration 3 3 3-7 The default is C: then A:. The setting chosen here displays in the Boot Sequence Sub-Menu prompt. About Drive Letter As

EPC-8 Hardware Reference 3 3 3-8 Summary Screen: Use this option to enable or disable a summary of the system configuration, which dis

BIOS Configuration 3 3 3-9 Key Click Use this option to enable or disable the key click feature on the keyboard. If enabled, the keyboard produces

EPC-8 Hardware Reference 3 3 3-10 The Advanced Menu contains settings for integrated peripherals, memory shadow, watchdog timer, large

BIOS Configuration 3 3 3-11 Options are the following: DC000-DFFF0h D8000-DBFF0h D4000-D7FF0h D0000-D3FF0h CC000-CFFF0h C8000-CBFFFh Not Installe

EPC-8 Hardware Reference 3 3 3-12 Integrated Peripherals Sub-Menu Use the options in this sub-menu to configure the COM and LPT ports. PhoenixBIO

EPC-8 Hardware Reference Page iii Table of Contents Chapter 1 - Product Description ...

BIOS Configuration 3 3 3-13 Memory Shadow Sub-Menu The term ‘‘Memory Shadow’’ refers to the technique of copying information from ROM

EPC-8 Hardware Reference 3 3 3-14 EXM Menu Use this menu to set up the optional EXM expansion modules in your EPC-8. Enter the EXM-ID, plus op

BIOS Configuration 3 3 3-15 Figure 3-9. Slot Numbering. All slots not occupied by an EXM module should show an ID of FF and OB1/OB2 of 00 00 i

EPC-8 Hardware Reference 3 3 3-16 When using EXMs with configurable interrupts, DMA channels, I/O addresses, and/or memory addresses, avoid conflic

BIOS Configuration 3 3 3-17 Arbitration Priority: Use this option to set the arbitration priority. Possible values are 0, 1, 2, and 3, with a value

EPC-8 Hardware Reference 3 3 3-18 Exit Menu Use the options in this menu to save and exit, or abandon your changes and exit to the system. Phoenix

BIOS Configuration 3 3 3-19 Load previous values Use this option if you want to load the system with the previous values before this

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Theory of Operation 4 4 4-1 Chapter 4 - Theory of Operation Overview The EPC-8 is a PC/AT compatible computer with standard PC peripherals, a VMEb

EPC-8 Hardware Reference 4 4 4-2 Figure 4-1. EPC-8 Block Diagram. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-S

EPC-8 Hardware Reference Page iv Video Controller ... 4-6 Ether

Theory of Operation 4 4 4-3 Processor board The EPC-8 processor board conforms with the VMEbus standard 6U form-factor. Processor and Coprocessor

EPC-8 Hardware Reference 4 4 4-4 Memory at addresses between 0 and 1 MB (0FFFFFh) is mapped as follows: Range Content 000000 - 09FFFF DRAM (fi

Theory of Operation 4 4 4-5 BIOS ROM and ROM Shadowing The EPC-8 contains a Flash boot device (chip) as its BIOS ROM. The BIOS ROM is mapped into

EPC-8 Hardware Reference 4 4 4-6 Be aware that the contents of this block are included in the BIOS checksum so any modification to this area al

Theory of Operation 4 4 4-7 Ethernet Controller The EPC-8 contains an on-board Ethernet controller connected through the 16-bit EXM expa

EPC-8 Hardware Reference 4 4 4-8 Watchdog Timer The watchdog timer is a binary counter which, upon overflow, will signal a watchdog timer event. T

Theory of Operation 4 4 4-9 Battery The battery powers the CMOS RAM and TOD clock when system power is not present. At 60°C, the batt

EPC-8 Hardware Reference 4 4 4-10 RS-422/485 Port The modified RS-422/RS-485 port is normally configured as COM2 (I/O address = 2F8-2FF,

Theory of Operation 4 4 4-11 TEST This LED is lit whenever the system is running its power-on self-test, as reflected in the PASS bit in the VXI r

EPC-8 Hardware Reference 4 4 4-12 Power-On Reset Power Low < 3.0 V Power Heading Lower 3-4.5 V Front-Panel Reset Button Ctrl-Alt-Del VME bus S

EPC-8 Hardware Reference Page v Appendix B - Interrupts and DMA Channels ... B-1 Interrupts ...

Theory of Operation 4 4 4-13 Register State after Reset A ‘‘cold’’ or hardware reset of the EPC-8 (not a keyboard CTRL+ALT+DEL reset) clears

EPC-8 Hardware Reference 4 4 4-14 The EPC-8's reaction to SYSRESET* being asserted on the VME bus depends upon whether the SRIE bit (SYSRESET

Theory of Operation 4 4 4-15 SRFIFO(FSIG) and does the above action). The only apparent purpose of these writes is testability. EXM Expansion Inte

EPC-8 Hardware Reference 4 4 4-16 • Drives the 16 MHz SYSCLK signal • Starts the IACK bus grant daisy chain. • Provides Bus time-out function W

Theory of Operation 4 4 4-17 The EPC-8 contains programmable byte-swapping hardware to allow programs to read or write VMEbus memory in eit

EPC-8 Hardware Reference 4 4 4-18 When using big-endian byte ordering, care must be taken to assure that the VME address is aligned o

Theory of Operation 4 4 4-19 Refer to Appendix F, VMEbus Mapped Registers for additional information. Passing VME Interrupts and Events to the CPU

EPC-8 Hardware Reference 4 4 4-20 Interrupt-causing signals are visible in two state registers. Most of these are unlatched, meaning th

5-1 5 5 Chapter 5 - Programming the VMEbus Interface This chapter describes the EPC-8 VMEbus interface as seen by a program. Users sho

EPC-8 Hardware Reference 5 5 5-2 Read-Modify-Write Operations VMEbus RMW (read-modify-write) cycles can be performed through use of the L

EPC-8 Hardware Reference Page vi Appendix I - SVGA...

Programming the VMEbus Interface 55 5-3 Real-Mode “E-page” VMEbus Accesses The following summarizes the source of the VMEbus address line

EPC-8 Hardware Reference 5 5 5-4 Supported Address Modifiers The table below lists supported address modifiers: 29h A16 non-privileged 2Dh A1

Programming the VMEbus Interface 55 5-5 4. Set the access mode in the VME Modifier Register (8151) as follows: VME WA23-22 BORD IACK AM5 AM4

EPC-8 Hardware Reference 5 5 5-6 Microsoft C code for Example 1 - #define WORD unsigned short #define LWORD unsigned long WORD addr; /* 16-bit

Programming the VMEbus Interface 55 5-7 VMEbus Address bits 21-16 Res Res 6. Map the address. 7. Write the data Microsoft C code for Exampl

EPC-8 Hardware Reference 5 5 5-8 1) The 8259 interrupt controller is enabled to capture interrupts before a VMEbus interrupt occurs (o

Programming the VMEbus Interface 55 5-9 3- The address modifiers and transfer length are dependent on the hardware generating the interrupt. 4-

EPC-8 Hardware Reference 5 5 5-10 Protected-Mode Direct VMEbus Accesses Addresses above 256 MB map directly onto the VMEbus. When direct &q

Programming the VMEbus Interface 55 5-11 When using the EPC-8 this way to perform VMEbus accesses, you would typically set up the E-page window for

EPC-8 Hardware Reference 5 5 5-12 Bits 1 and 2 of the Module Status/Control register (0x815D) are cleared by a ‘‘warm reset’’. This keeps the watc

EPC-8 Hardware Reference Page vii Packet Driver Installation... K-5 W

A-1 A A Appendix A - Chip Set & I/O Map The following defines the I/O addresses decoded by the EPC-8. It does not define addresses

EPC-8 Hardware Reference A A A-2 Counter-Timer functions: VLSI 82C113A/114 emulating 8254 of PC/AT I/O Addr Functional group Usage

Appendix A: Chip Set & I/O Map A A A-3 Port A I/O Addr Functional group Usage 092 Port A Fast A20 and reset control EXM Configuration I/

EPC-8 Hardware Reference A A A-4 Miscellaneous I/O Addr Functional group Usage 0EE Fast A20 Dummy read enables Fast A20, dummy write disables

Appendix A: Chip Set & I/O Map A A A-5 VGA I/O Addr Functional group Usage 3B4 VGA CRT Controller index 3B5 CRT Controller data 3BA F

EPC-8 Hardware Reference A A A-6 VME Registers I/O Addr Functional group Usage 8130 VME and Misc VME map WA21-16 VXI Registers I/O Addr Fun

Appendix A: Chip Set & I/O Map A A A-7 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

B B B-1 Appendix B - Interrupts and DMA Channels Interrupts The assignment of interrupts for the EPC-8 is shown in the following table: NMI

EPC-8 Hardware Reference B B B-2 DMA Channels The assignment of DMA channels for the EPC-8 is shown in the following table. 0 unassigned (8-bit)

C-1 C C Appendix C - Connectors This Appendix specifies the details of the connectors on the EPC-8. Please note, however, that all the connecto

EPC-8 Hardware Reference Page viii List of Figures Figure 2-1. Jumper Locations ...

EPC-8 Hardware Reference C C C-2 RS-422/485 Port (COM2) The modified RS-422/485 serial port is a female DB-9 connector. Pin Function 1 RTS 2 DTR

Connectors C C C-3 Keyboard The keyboard connector is a 6-pin DIN defined as: Pin Signal Pin Signal 1 Data 4 +5V 2 not used 5 Clock

EPC-8 Hardware Reference C C C-4 RJ45 Connector The DTE RJ45 phone jack that supplies the 10-Base-T interface to the ethernet controller

D-1 D D Appendix D - Memory ☛ DO NOT HANDLE THE EPC-8 OR MEMORY MODULES UNLESS YOU ARE IN A STATIC-FREE ENVIRONMENT. Memory The EPC-8 h

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E-1 E E Appendix E - Subplanes Subplane Installation A subplane is a printed-circuit board with connectors on both sides. A subplane

EPC-8 Hardware Reference E E E-2 EXP-BP1 Subplane This subplane is used in the smallest configuration, where a single-slot EPC-8 processor i

Subplanes E E E-3 EXP-BP2 Subplane This subplane is to provide connectivity for the processor and two EXM modules. The EXP-BP2 is an L-shaped

EPC-8 Hardware Reference E E E-4 EXP-BP4 Subplane The EXP-BP4 subplane is used to couple an EPC-8 processor module, two TXM modules, and a

Subplanes E E E-5 EXP-BP3A Subplane The EXP-BP3A subplane allows for a processor and a total of four EXM modules. The EXP-BP3A has f