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Summary of Contents for VersaLogic EPM-CPU-3
- Page 1 Reference Manual DOC. REV. 12/14/2007 EPM-CPU-3 AMD ÉlanSC520 processor module with 10/100 Ethernet, and PC/104-Plus interface.
- Page 2 EPM-CPU-3 AMD ÉlanSC520 processor module with 10/100 Ethernet, and PC/104-Plus interface MEPMCPU3r4...
- Page 3 BIOS information and upgrades • Utility routines and benchmark software Note: This is a private page for EPM-CPU-3 users only. It cannot be reached through our web site. You ctly to find the support page. must enter this address dire...
- Page 4 All Rights Reserved Notice: Although every effort has been made to ensure this document is error-free, VersaLogic makes no representations or warranties with respect to this product and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
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Page 6: Table Of Contents
Table of Contents Introduction ........................1 Description.......................... 1 Technical Specifications ..................... 2 Technical Support ....................... 3 Repair Service......................3 Configuration / Operation....................5 Overview..........................5 Electrostatic Discharge ..................5 Lithium Battery...................... 5 Initial Configuration and Setup................... 6 Recommended Components .................. 6 CMOS Setup / Boot Procedure ................... - Page 7 Table of Contents Jumper Summary ....................20 Power Supply........................21 Power Connectors ....................21 Power Requirements .................... 22 Lithium Battery....................22 CPU........................... 23 System RAM........................23 Memory........................ 23 CMOS RAM ........................23 Clearing CMOS RAM ..................23 Default CMOS RAM Setup Values..............23 Real Time Clock .......................
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Page 8: Introduction
• Extended temperature option (100MHz) The EPM-CPU-3 is a complete computer system in one board. It may be used alone or with expansion modules. It features a PC/104-Plus expansion interface for fast PCI-based interface to a wide variety of PC/104 and PC/104-Plus stacking modules. This card is designed to be used primarily as an Ethernet node processor card. -
Page 9: Technical Specifications
PC/104 – Fully functional with most PC/104 devices. See the Expansion Bus section for details. Embedded-PCI (PC/104-Plus) – Full compliance, 3.3V or 5V modules Board Weight: EPM-CPU-3p 86 grams EPM-CPU-3r 100 grams EPM-CPU-3s 110 grams Specifications are subject to change without notice. 2 – Introduction EPM-CPU-3 Reference Manual... -
Page 10: Technical Support
Technical Support Technical Support If you have problems that this manual can’t help you solve, first visit the EPM-CPU-3 Product Support web page at http://www.VersaLogic.com/private/bobcatsupport.asp. If you have further questions, contact VersaLogic for technical support at (541) 485-8575. You can also reach our technical support engineers via e-mail at Support@VersaLogic.com. -
Page 12: Configuration / Operation
ESD protective pouch. The lithium battery may explode if mistreated. Do not recharge, disassemble, or dispose of in fire. Dispose of used batteries promptly. EPM-CPU-3 Reference Manual Configuration / Operation – 5... -
Page 13: Initial Configuration And Setup
Initial Configuration and Setup The following list describes the components recommended for setting up a typical development system. ECOMMENDED OMPONENTS • EPM-CPU-3 Board and cable kit • ATX Power Supply • EPM-SVGA-2 for video support • Keyboard with PS/2 connector, mouse •... -
Page 14: Cmos Setup / Boot Procedure
| Console Redirection : Auto | PCI Int D : IRQ11 +---------------------------------------+--------------------------------------+ Note: Due to changes and improvements in the system BIOS, the information on your monitor may differ from that shown above. EPM-CPU-3 Reference Manual Configuration / Operation – 7... -
Page 15: Console Redirection
To enable console redirection, there must be no video device detected, the console redirection option in Custom Configuration must be set to Auto, and there must be a terminal (such as Windows HyperTerm) detected at COM2. 8 – Configuration / Operation EPM-CPU-3 Reference Manual... -
Page 16: Cmos Setup / Ide Configuration
Do not attempt to assign a drive letter to a CD-ROM drive or DiskOnChip. The drivers required to use these devices will automatically assign a drive letter to the device when loaded. EPM-CPU-3 Reference Manual Configuration / Operation – 9... - Page 17 DiskOnChip first, you would set "Boot 1st:" to "Drive D:". A CD-ROM drive can be inserted into the boot order by selecting “CDROM” at the desired boot order position. 10 – Configuration / Operation EPM-CPU-3 Reference Manual...
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Page 18: Cmos Setup / Advanced Configuration
DiskOnChip will not be recognized even if it is plugged in. REGISTER BASE Default: 0E0h Specifies the location of the PLD register in I/O space. It can be moved to 1E0h in case of an address conflict. EPM-CPU-3 Reference Manual Configuration / Operation – 11... -
Page 19: Force Ethernet 10-Baset
IMINGS Default: Normal The GP (ISA) bus timings may need to be slowed to accommodate ISA Plug-n-Play cards. This option modifies registers in the GP Bus Controller, MMCR offsets C08h through C10h. 12 – Configuration / Operation EPM-CPU-3 Reference Manual... -
Page 20: Com1 (03F8) Rs-232
These options allow manual IRQ routing of PCI devices. PCI devices can share an interrupt. In most cases, the cost of doing this is slightly decreased Note: system performance and slightly increased interrupt response time. EPM-CPU-3 Reference Manual Configuration / Operation – 13... -
Page 21: Using Custom Cmos Defaults
DOC will appear as Drive C: 1. Boot your system under DOS or Windows 95/98/ME, you can’t use NT or 2000 (if using Windows, start a DOS session) 2. Type SYS C: (or SYS D: if appropriate) 14 – Configuration / Operation EPM-CPU-3 Reference Manual... -
Page 22: Reference
Reference Physical Dimensions The EPM-CPU-3 complies with all PC/104-Plus standards. Dimensions are given below to help with pre-production planning and layout. Figure 1. Dimensions (Not to scale. All dimensions in inches.) EPM-CPU-3 Reference Manual Reference – 15... -
Page 23: Hardware Assembly
Standoffs are secured to the top circuit board using four pan head screws. Refer to the drawing on page 15 for dimensional details. An extractor tool is available (part number VL-HDW-201) to separate the modules from the stack. TACK RRANGEMENT Figure 2. PC/104 Card Added to Top of Stack 16 – Reference EPM-CPU-3 Reference Manual... -
Page 24: External Connectors
External Connectors External Connectors ONNECTOR OCATION IAGRAMS Figure 3. Connector Location Diagram EPM-CPU-3 Reference Manual Reference – 17... -
Page 25: Connector Functions And Interface Cables
Note: Many VersaLogic adapter cables are available in RoHS compliant and RoHS noncompliant versions. Compliance or noncompliance is indicated by the part number prefix. “CBR” indicates RoHS compliance. “CBL” indicates RoHS noncompliance. -
Page 26: Jumper Block Locations
Jumper Block Locations Jumper Block Locations Note: Jumpers shown in as-shipped configuration. Figure 4. Jumper Block Locations EPM-CPU-3 Reference Manual Reference – 19... -
Page 27: Jumper Summary
— Primary System BIOS occupies E0000h to FFFFFh — Secondary System BIOS occupies E0000h to FFFFFh Note: The secondary System BIOS is field upgradeable using the BIOS upgrade utility. See www.VersaLogic.com/private/bobcatsupport.asp for further information. V4[3-4] — General Purpose Input Bit —... -
Page 28: Power Supply
Power Input Ground Ground –12VDC Power Input +3.3VDC Power Input +5VDC Power Input Ground Ground +5VDC Power Input Note: The +3.3VDC, +12VDC, and –12VDC inputs are only required for expansion modules that require these voltages. EPM-CPU-3 Reference Manual Reference – 21... -
Page 29: Power Requirements
OWER EQUIREMENTS The EPM-CPU-3 only requires +5 volts (±5%) for proper operation. The voltage required for the RS-232 ports is generated with an on-board DC/DC converter. A variable low-voltage supply circuit provides power to the CPU and other on-board devices. -
Page 30: Cpu
The maximum clock rate is 133 MHz. The Am5x86 has 16 kb of unified cache that supports write-back and write-through policies. It is a high-performance 486 CPU achieving performance results equal to a Pentium 75. System RAM EMORY The EPM-CPU-3 has 64MB of SDRAM soldered on board. • Storage Capacity 64 MB •... -
Page 31: Real Time Clock
Real Time Clock Real Time Clock The EPM-CPU-3 features a year 2000 compliant, battery-backed 146818 compatible real time clock/calendar chip. Under normal battery conditions, the clock will maintain accurate timekeeping functions during periods when the board is powered off. ETTING THE... -
Page 32: Cmos Setup
The DOC needs to be formatted with the DOS System files or other operating system in order for it to be a bootable drive. Refer to the M-Systems web site (www.m-sys.com) for documentation on the DOC 2000 and details on making it a bootable device. EPM-CPU-3 Reference Manual Reference – 25... -
Page 33: Serial Ports
Serial Ports Serial Ports The EPM-CPU-3 features two on-board 16550 based serial channels located at standard PC I/O addresses. COM1 and COM2 are RS-232 (115.2K baud) serial ports. COM3 and COM4 can be operated in RS-422 or RS-485 modes. Two additional non-standard baud rates are also available (programmable in the normal baud rate registers), up to 460K baud. -
Page 34: Serial Port Connectors
ERIAL ONNECTORS See the Connector Location Diagram on page 17 for connector location information. The pinout of the DB9 connector applies to use of the VersaLogic transition cable CBL-5008. Table 4: Connectors JA - JD — Serial Port Pinout COM1... -
Page 35: Ide Hard Drive / Cd-Rom Interface
HOST ADDR2 Address bit 2 HCS0* HOST CS0* Reg. Access chip select 0 HCS1* HOST CS1* Reg. Access chip select 1 No connection Ground Ground Ground Power Power Power Power Ground Ground Ground No connection 28 – Reference EPM-CPU-3 Reference Manual... -
Page 36: Utility Connector
The MMCR base address defaults to DF00:0 (segment : offset address). Note: The LED is turned on by the BIOS during system startup. This causes the light to function as a "power on" indicator if it is not otherwise controlled by user code. EPM-CPU-3 Reference Manual Reference – 29... -
Page 37: External Speaker
The EPM-CPU-3 supports one standard floppy disk via a 15-pin connector, J6. A special interface cable (CBL-1501) is needed to convert the 15-pin connector on the EPM-CPU-3 to a standard 34-pin floppy disk drive connector. CMOS Setup can be used to enable or disable the floppy disk interface. -
Page 38: Ethernet Interface
Ethernet Interface Ethernet Interface The EPM-CPU-3 features an industry-standard 10baseT/100baseTX Ethernet interface based on the Intel 82551ER Ethernet controller. This PCI based interface chip is widely supported. Drivers are readily available to support a variety of operating systems such as QNX, VxWorks and other RTOS vendors. -
Page 39: Watchdog Timer
; These are 16-bit memory writes. End program loop For detailed programming instructions for the integrated watchdog timer, see chapter 19 of the ÉlanSC520 Microcontroller User's Manual, and chapter 16 of the Register Set Manual. 32 – Reference EPM-CPU-3 Reference Manual... -
Page 40: Expansion Bus
Expansion Bus Expansion Bus The EPM-CPU-3 will accept up to seven expansion modules, up to three of which can be PC/104-Plus (PCI) expansion modules. Both 3.3V and 5.0V modules are supported. PC/104-P (PCI B PC/104-Plus modules can be secured directly to the top of the EPM-CPU-3. Make sure to correctly configure the "slot position"... -
Page 41: Memory And I/O Map
Configuration Base Address Register (CBAR), located at I/O address FFFCh. Refer to the ElanSC520 Register Set Manual for further details. EMORY The lower 1 MB memory map of the EPM-CPU-3 is arranged as shown in the following table. Table 9: Memory Map Start... -
Page 42: I/O Map
Memory and I/O Map I/O M The following table lists the common I/O devices in the EPM-CPU-3 I/O map. User I/O devices should be added in the 104h – 3FFh range, using care to avoid the devices already in the map as shown below. -
Page 43: Interrupt Configuration
Available on PC/104 (ISA) bus Default IRQ assignments: Timer 0 Keyboard Slave PIC cascade COM2 COM1 Unused Floppy drive Unused Real-Time Clock Unused Unused PCI Interrupt A,B,C,D PS/2 Mouse Math Co-processor IDE controller Unused 36 – Reference EPM-CPU-3 Reference Manual... -
Page 44: Special Control Register
Reserved — These bits have no function. General Purpose Input — Indicates the status of TTL input GPI = 0 Jumper V4 [3-4] = Out GPI = 1 Jumper V4 [3-4] = In Note: This bit is a read-only bit. EPM-CPU-3 Reference Manual Reference – 37... -
Page 45: Revision Indicator Register
Mnemonic Description D7-D3 PC4-PC0 Product Code — These bits are hard coded to represent the product type. The EPM-CPU-3 will always read as 01011. Other codes are reserved for future products. Product Code EPM-CPU-3 Note: These bits are read-only. D2-D0 REV2-REV0 Revision Level —... -
Page 46: Map And Paging Control Register
060000h to 06FFFFh 070000h to 07FFFFh * The BBSRAM page frame is located at E0000h to EFFFFh if using BIOS version 5.1.105 and below, and at D0000H to DFFFFh if using BIOS version 5.1.106 and above. EPM-CPU-3 Reference Manual Reference – 39... -
Page 48: Appendix A - Other References
PC/104 Resource Guide PC/104-Plus Specification VersaLogic Corp., (www.VersaLogic.com) PC/104 Resource Guide General PC Documentation Microsoft Press (www.microsoft.com/learning/books) The Programmer’s PC Sourcebook General PC Documentation Powell's Books (www.powells.com) The Undocumented PC EPM-CPU-3 Reference Manual Appendix A — Other References – 41...
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