RadiSys EPC-8A Specifikace

EPC-30 Hardware ReferencePage ixList of TablesTable 1-1. Environmental Specifications 5Table 1-2. Electrical Specifications 6Table 1-3. Physical Spec

Troubleshooting and Error Messages55Page 78nnnn Shadow RAM Passed Where nnnn is the amount of shadow RAM inkilobytes successfully tested.System batte

Troubleshooting and Error Messages55Page 79NOTES

Troubleshooting and Error Messages55Page 80

66Page 81-Support and ServiceIn North AmericaTechnical SupportRadiSys maintains a technical support phone that is staffedweekdays (except holidays) be

Support and Service66Page 82available at customer expense. Normal turn-around time for repairand re-certification is five working days.Quick Exchange

Support and Service66Page 83by inspecting and testing the product using standard manufacturingtests. There is a product-dependent charge for recertifi

Support and Service66Page 84Other CountriesUse the RadiSys world wide web site to contact us, or contact the salesorganization from which you purchase

Support and Service66Page 85

AAPage 1- I/O & Memory MapsThis appendix defines the I/O address map, memory chip selections, and memorymap for the EPC-30.I/O MapThe EPC-30 uses

AAI/O and Memory MapsPage 2GCS5# 1MB DRAM2 MB DRAM4MB DRAM8 MB DRAM16MB DRAM0000000-00FFFFF0000000-01FFFFF0000000-03FFFFF0000000-07FFFFF0000000-0FFFFF

EPC-30 Hardware ReferencePage 10

AAI/O and Memory MapsPage 3Memory MapPhysical addresses are mapped into memory in the following manner. TheBIOS extension regions and windows may chan

AAI/O and Memory MapsPage 4NOTES

AAI/O and Memory MapsPage 5

BBPage 1-IRQ MapThis appendix defines interrupt requests which the EPC-30 decodes. All IRQs are setby resistors and can only be modified by removing o

BBI/O MapPage B2COMC COM1/COM2/COM3 COMC

BBI/O MapPage B3

CCPage 1-VGA InterfaceVideo Controller HardwareThe EPC-30 contains the Cirrus Logic CL-GD6245 Super VGA (SVGA)graphics controller. The controller’s co

CCVGA InterfacePage 2InstallationThe installation utility facilitates smooth installation of the display driversand utility software. The menu-driven

CCVGA InterfacePage 3CLMODEThe CLMODE utility allows you to configure the panel options, define thetype of monitor you use, and set the video modes wh

CCVGA InterfacePage 4About. Use this button to view the version number of the CLMODEutility program.Exit. When you exit the program, you are given the

11Page 1-IntroductionPurposeThis manual contains information about the EPC-30 single board computer.The purpose of this manual is to fully explain the

CCVGA InterfacePage 5Using the CLMODE Command Line OptionsWhen you issue command line options for CLMODE.EXE at theDOS prompt, the menu-driven windows

CCVGA InterfacePage 6Other Utilities On the DisketteThere are six additional utility programs on the Cirrus LogicUtilities diskette. These utilities c

CCVGA InterfacePage 7settings, there may be only one refresh rate option available. Settings forsome of the higher resolutions may not be available.Fo

CCVGA InterfacePage 8installation, there is no chance of overwriting the driver thatWindows uses to control the display.Change to the system directory

CCVGA InterfacePage 9CIRRUS 624X V1.0, 640X480X256CIRRUS 624X V1.0, 800X600X16CIRRUS 624X V1.0, 800X600X2565. Move the cursor to highlight the correc

CCVGA InterfacePage 10

DDPage D-11-Reflashing the FBDThis appendix describes how to reflash the Intel Flash Boot Device (FBD) whichcontains the EPC-30 System BIOS and, optio

Reflashing the Flash Boot DeviceDDPage D-12The following table describes the exact sizes and placement of the variouscode and data objects present in

Reflashing the Flash Boot DeviceDDPage D-13The EPC-30 boot block XModem serial communication requires a straight-through serial connection to the exte

Reflashing the Flash Boot DeviceDDPage D-14• Any other images to flash. These can be optional BIOS/ROM extensionsor ROMable DOS images.• NOTE: The E

Introduction11Page 2Appendix G Glossary. Defines terms used in this manual.OverviewThe EPC-30 is a single board computer based on the Intel386 EXproc

Reflashing the Flash Boot DeviceDDPage D-15Reflashing ProcessesThe boot block will set the RFA for Linear Mode and Byte-wide Access incase the RFA ref

Reflashing the Flash Boot DeviceDDPage D-16Command line parameters are:/F=<filename> File (in absolute binary format) to beflashed into thedevic

Reflashing the Flash Boot DeviceDDPage D-17the updated BIOS images. No reboot occurs if you used the /Scommand line parameter.If you supressed the aut

Reflashing the Flash Boot DeviceDDPage D-18Force Update Flash Recovery ProcessA force update is necessary only to:• replace a system or video BIOS im

Reflashing the Flash Boot DeviceDDPage D-19The EPC-30 boot block contains resident Xmodem code necessaryto establish communication with the SCP, seria

Reflashing the Flash Boot DeviceDDPage D-20NOTES

Reflashing the Flash Boot DeviceDDPage D-21

EEPage 1-LCD Flat Panel InterfaceThis Appendix describes how to interface LCD flat panel displays with the EPC-30.The Cirrus Logic CL-GD6245 VGA drive

EELCD Flat Panel InterfacePage 2Sharp LM64P89 Monochrome LCDLM64P89 Signal Name EPC-30 Signal Name1 S 15 FLM (HSYNC)2 CP1 19 LP (VSYNC)3 CP2 25 SCLK4

EELCD Flat Panel InterfacePage 3Active Matrix DisplaysIn an active matrix flat panel display, each pixel receives outputfrom an attached transistor to

Introduction11Page 3• 2/4/8Mb Intel SmartVoltage boot-block Flash EPROM containing BIOS(4Mb part populated)• One 72-pin SIMM socket providing the ca

EELCD Flat Panel InterfacePage 4substrate, while Y grid conductors connect to the upper substrate.Applying an electrical signal to both conductors at

EELCD Flat Panel InterfacePage 5In typical applications, use of a software addressable on/off FETswitch allows application software control of the LCD

EELCD Flat Panel InterfacePage 6NOTES

EELCD Flat Panel InterfacePage 7

FFPage 1-PC Card InterfaceThe EPC-30 supports use of flash or ATA PC cards as Chapter 2 discusses. Many ofthe supported PC card configurations require

FFPC Card InterfacePage 2Flash the device driver into the BIOS:Using the REFLASH.EXE (version 2.0+) utility provided on the diskette, issue thefollowi

FFPC Card InterfacePage 3NOTES

FFPC Card InterfacePage 4

GGPage 1-Glossary A Access Time: A factor in measurement of a memory storage device’s operatingspeed. It is the amount of time required to perform a

GGGlossaryPage 2BIOS Update: A process whereby an existing, uncorrupted BIOS image in the flashboot device is overwritten with a new image. Also refer

Introduction11Page 4• Extended life battery with switch over/reset controller for use withR380EX’s RTCMANY OF THE CONNECTORS ON THE EPC-30PROVIDE POW

GGGlossaryPage 3Complimentary Metal Oxide Semiconductor (CMOS): A fast, low powersemiconductor RAM used to store system configuration data.Configurati

GGGlossaryPage 4Erasable Programmable ROM (EPROM): A semiconductor ROM device capableof being erased and reprogrammed by the user as often as desired.

GGGlossaryPage 5Header: A mechanical pin and sleeve style connector on a circuit board. The headermay exist in either a male or female configuration.

GGGlossaryPage 6which is a layer of liquid crystal. Behind the sandwich is a reflective layer. In anunpowered state, light is reflected through the el

GGGlossaryPage 7function together to capture and lock onto an input frequency. When locked onto theinput frequency, the PLL can maintain a stable, reg

GGGlossaryPage 8segment address 4 bits to the left and then adding the offset value. A real modeaddress is a physical address.Real Time Clock (RTC): P

GGGlossaryPage 9system. A segment is the portion of a real mode address which specifies the fixedbase address to which the offset is applied.Serial Ho

GGGlossaryPage 10Video Graphics Adapter (VGA): A popular PC graphics controller and displayadapter standard developed by IBM. The standard specifies,

GGGlossaryPage 11

IIIndex-1IndexAaccess time, G-1address, G-1ANSI, G-1Autotypesetting up a disk drive using, 19term defined, G-1BBatteryerrors caused by failure of CMOS

Introduction11Page 5Table 1-2 shows electrical specifications of the EPC-30 equipped with a 1MB SIMM, and no keyboard, disk drive, or PC card.Characte

IIIndexIndex-2large disk access mode setup, 29loading previous values for the, 32main setup menus defined, 16saving changes to the, 31, 32summary scre

IIIndexIndex-3display driver software installation, C-2Windows display driver description, C-8world wide web access, C-3Cirrus Logic VGACL6245 functio

IIIndexIndex-4defined, C-1installing the, C-2DRAM Interfacedefined, 36Drive Designationassigning a, 23Driverterm defined, G-4Driversvideo display soft

IIIndexIndex-5DRAM interface with the, 36equipment supplied with the, 10features defined, 3installing the, 11optional parts for the, 10powering the, 1

IIIndexIndex-6Flat Panelsconstructing interface cables for, E-1contrast/backlight control description, E-4interface with the EPC-30, E-1interface with

IIIndexIndex-7POST Loop Test, 14Jumpersterm defined, G-6KKeyboardconnecting a, 14Keyboard Connectorpinout diagram of the, 60Keyboard Errordefinition o

IIIndexIndex-8connecting a, 14Mouse Connectorpinout diagram of the, 59NNull Modemuse of connection for reflashing, 8OOffsetterm defined, G-7Operating

IIIndexIndex-9Powerbrown out protection defined, 47Power Connectorlocation of EPC-30, 14Power Supplyconnecting a, 14Power-On Self Test (POST)definitio

IIIndexIndex-10ROMDOSterm defined, G-10SSerial Hostterm defined, G-11Serial Portspinout diagrams of EPC-41, 59Setup Promptenabling or disabling, 23Set

IIIndexIndex-11VGA controller defined, C-1System Memoryterm defined, G-11TTechnical Supportaccessing, 81arranging service, 83e-mail address, 81FAX num

Introduction11Page 6Technical Reference, Personal Computer AT, International BusinessMachines Corporation, 1985.PhoenixBIOS 4.0 Technical Reference,

IIIndexIndex-12VGA SoftwareCLMODE defined, C-1WINMODE defined, C-1, C-7Videoconfiguring a monitor using CLMODE, C-3controller defined, C-1display driv

IIIndexIndex-2

Introduction11Page 7NOTES

Introduction11Page 8

_______________________________________________________________________07-0857-00 November 1996EPC©-30Hardware Reference ManualRadiSys Corporation5445

22Page 9-Getting Started UpdateThis chapter contains step-by-step instructions to help you install and set up theEPC-30 for operation. The chapter inc

22Getting StartedPage 10DiskettesThe EPC-30 utilities diskette set contains the following software:Disk 1 contains Reflash and all BIOS images.Disk 2

22Getting StartedPage 11If damage has occurred in shipment, notify the carrier at once to initiate adamage claim. Contact your dealer or RadiSys custo

22Getting StartedPage 12Figure 2-1. EPC-30 Mounting Hole Locations.Setting the EPC-30 JumpersBefore you install the EPC-30, familiarize yourself with

22Getting StartedPage 13On-board Jumper UsageJP1 BB ENBL Use to enable writes to the boot block in the BIOS.Default is not populated.JP2 Manufacturin

22Getting StartedPage 14Select a 72-pin SIMM for use with the EPC-30 and install carefully. Makesure you are using a SIMM with gold-plated connections

22Getting StartedPage 151. Inspect the board, noting the location of the connectors, jumpers, andmajor components. Refer to Figure 2-2.2. Check the

22Getting StartedPage 16PhoenixBIOS Setup - Copyright 1985-96 Phoenix Technologies Ltd.Item Specific HelpSystem Date: [03/01/96]IDE Ad

22Getting StartedPage 17Select the proper setting for your floppy disk drive bychoosing one of the following:for 5-1/4” drives 360K or 1.2 MBfor 3-1/2

22Getting StartedPage 18>Boot Options Sub-menuThe Boot Options Sub-menu allows changing the bootdelay, boot sequence, serial video, as well as disa

EPC-30 Hardware ReferencePage iiWINMODE and CLMODE are trademarks of Cirrus Logic, Inc. Portions of thismanual are copyright 1995 by Cirrus Logic, Inc

22Getting StartedPage 19>Embedded FeaturesSub-menuUse this menu to enable ROM extensions embedded in theFlash Boot Device (FBD). For more informati

22Getting StartedPage 20PhoenixBIOS Setup - Copyright 1985-96 Phoenix Technologies Ltd.Item Specific HelpF1 Help Select Item -/+ Change

22Getting StartedPage 21TypeIn most cases, the IDE interface involves a hard disk drivebut the interface can involve other devices. If you are notusin

22Getting StartedPage 22Note that autotyping may change this value if the hard diskreports that it supports LBA. The default is disabled.Transfer Mod

22Getting StartedPage 23Memory Shadow Sub-menuThe term “shadowing” refers to the technique of copying BIOSextensions from ROM into DRAM and accessing

22Getting StartedPage 24System ShadowThis option is not editable since the System BIOS is alwaysshadowed.Video ShadowThis option determines whether th

22Getting StartedPage 25Boot SequenceUse this option to set the system boot sequence. You canselect a boot from ‘C only’ to slightly speed the booting

22Getting StartedPage 26Use this option to enable or disable the message ‘Press F2to enter Setup.’ The default is enabled. Even if you disablethe mess

22Getting StartedPage 27Summary ScreenUse this option to enable or disable a summary of thesystem configuration, which displays before the operatingsy

22Getting StartedPage 28>Embedded Features Sub-menuPhoenixBIOS Setup - Copyright 1985-95 Phoenix Technologies Ltd.Item Specific HelpF1 Help

EPC-30 Hardware ReferencePage iiiNOTES

22Getting StartedPage 29as 8KB, and can be copied down on 8KB boundaries. However, thegranularity of the shadow is 16KB.

22Getting StartedPage 30 Flash Boot DeviceThe three regions selectable in the Embedded Features Menurequire you to enter a source base address and

22Getting StartedPage 31sectors to choose from.Destination Address:This field identifies where in conventional memory the BIOSextension will be copied

22Getting StartedPage 32Advanced MenuPhoenixBIOS Setup - Copyright 1985-96 Phoenix Technologies Ltd.Item Specific HelpF1 Help Select Item

22Getting StartedPage 33and I/O paged accessmodes to the RFA.RFA Data AccessModeThis option is used toselect between byteand word data access.Large Di

22Getting StartedPage 34GB in size, or 1024 C x 255 H x 63 S, without specialdrivers or LBA.Integrated Peripherals Sub-menuPhoenixBIOS Setup - Copyrig

22Getting StartedPage 35NOTE: IRQ4 cannot be used by COMB or COMC if COMA isenabled.COM port B:This option is used to configure the serial port COMB.

22Getting StartedPage 36PhoenixBIOS Setup - Copyright 1985-95 Phoenix Technologies Ltd.Main Advanced ExitItem Specific HelpSave Chan

22Getting StartedPage 37began making changes. The EPC-30 reboots with the oldsetup values.Get default valuesUse this option if you need to reset the B

22Getting StartedPage 38

EPC-30 Hardware ReferencePage ivTable of ContentsChapter 1 - Introduction 1 Purpose 1 About This Manual 1 Overview 3 Specifications 5 Additional Refer

33Page 33-Theory of Operation UpdateThis chapter contains information about the following components, functions, andaspects of the EPC-30:• Overview•

33EPC-30 Hardware ReferencePage 34Figure 3-1. EPC-30 Block Diagram.• The Real-Time Clock and 82C42PE are normally used inside theR380EX.ProcessorEXPL

33EPC-30 Hardware ReferencePage 35Timer/Counters (3) 82C54-Compatible Programmable Interval Timer withenhancements to allow remapping of peripheral ad

33EPC-30 Hardware ReferencePage 36Table 3-1. Functional Unit Summary.DRAM Interface/Bus ControlThe processor-to-board interface supporting DRAM and bu

33EPC-30 Hardware ReferencePage 37configuration in the SIMM, the DRAM controller functions as twoindependent controllers, managing each bank of DRAM i

33EPC-30 Hardware ReferencePage 38The 6245 is also capable of Standby and Suspend modes for reduced powerconsumption. The hardware suspend function of

33EPC-30 Hardware ReferencePage 39The RFA access may be implemented through a 16K memory window in theprocessor’s address space. This is useful for r

33EPC-30 Hardware ReferencePage 40Hard Drive and Floppy Disk Drive ControllerA floppy disk drive controller is contained in a Super-I/O chip, theFDC37

33EPC-30 Hardware ReferencePage 41The COMA serial port is provided by the first UART in theIntel386 EX processor, and is located in the I/O address ra

33EPC-30 Hardware ReferencePage 422E8 IRQ 3,5,9Table 3-2. COM Locations/InterruptsThe LPT1 parallel port is located in the I/O address range 0x378-0x3

EPC-30 Hardware ReferencePage v Summary Screen23 Embedded Features Sub-menu 25 Advanced Menu 28 RFA Access Mode 28 RFA Data Access Mode 28 Large Disk

33EPC-30 Hardware ReferencePage 43allow topside mounting of PC/104 cards. Four 0.125” holes arepresent in the PCB at standard PC/104 locations.The ISA

33EPC-30 Hardware ReferencePage 44Terminations contained on the EPC-30 board are as follows:Address lines:SA0 - SA19, and LA17 - LA24: Driven by R380E

33EPC-30 Hardware ReferencePage 45Miscellaneous FunctionsKeyboard controllerA PC-compatible keyboard controller is provided as part of theR380EX. Con

33EPC-30 Hardware ReferencePage 46Power requirementsIn most applications, the EPC-30 operates on 5V DC power only. Thevoltage supplied must be betwee

33EPC-30 Hardware ReferencePage 47The following modifications must be performed to operate the board at 3.3V:1. The CPU needs to be replaced with a

33EPC-30 Hardware ReferencePage 48Resetting the EPC-30The EPC-30 can be reset in the following ways:• Power-off, power-on• Resets the entire system.

33EPC-30 Hardware ReferencePage 49

44Page 49-ConnectorsThis chapter describes the connectors on the EPC-30. These connectors adhere toexisting standards. This chapter shows illustration

Connectors44Page 503RXD 4 RTS5TXD 6 CTS7DTR 8 RI9 GND 10 N/CTTL COMC (J2):5x2, 0.100" [2.54 mm] pitch header3M 2510-6002-UB1DCD 2 DSR3RXD 4 RTS5T

Connectors44Page 51 Floppy Drive PinoutFDD pinout: (J3)17x2, 0.100" [2.54 mm] pitch header3M 2534-6002-UB1 GND ~DENS 23N/C N/C45N/C N/C67 N/C ~I

EPC-30 Hardware ReferencePage vi Power 52 Manufacturing Test Socket 53 IDE Header 54 Flat Panel Header 55 Auxiliary VGA Stake-Pin Header Pinout 56 Par

Connectors44Page 52PowerAT-Power Header (J4)4x1, 0.156” [3.96 mm]AMP 171825-41+122GND3GND4+5Table 4-4. Power Connector Pinout. 1 2 3

Connectors44Page 53 Manufacturing Test SocketManufacturing Test Socket (J5)7x2, 2mm SocketSAMTEC SMM-107-01-S-D1Vcc 2D03D1 4D25D3 6D47D5 8D69 D7 10 PW

Connectors44Page 547D5 D10 89 D4 D11 1011 D3 D12 1213 D2 D13 1415 D1 D14 1617 D0 D15 1819 GND N/C (key) 2021 N/C GND 2226 ~IOW GND 2425 ~IOR GND 2627

Connectors44Page 55Flat Panel HeaderFlat Panel Header (J7)25x2 0.079” (2.0 mm) pitch header3M 953229-01-25-30PinSignal Type Description Pin Signal Typ

Connectors44Page 56for STN39 VSS GND Ground 40 NC41 SUD4 O Upper Data4 for STN 42 NC43 SUD5 O Upper Data5 for STN 44 VSS GND Ground45 VSS GND Ground 4

Connectors44Page 57Auxiliary VGA Stake-Pin Header PinoutAuxillary VGA Header (J8):5x2, 0.100" [2.54 mm] pitch header3M 2510-6002-UB1 RED 2 ANALOG

Connectors44Page 58Parallel PortParallel Port Pinout (J9):13x2, 0.100" [2.54 mm] pitch header3M 2526-6002-UB1 ~STB 2 ~AFD3PD0 4~ERR5PD1 6~INIT7PD

Connectors44Page 59VGA ConnectorVGA pinout (J11)15-pin female high-density D-subJST KSEY-15S-1A3F19-13 or equiv.Pin Signal1RED2 GREEN3BLUE4N/C5 GND6 A

Connectors44Page 60COMA Serial PortThere are two 10-pin header COM ports on the EPC-30. Table 4-11 definesserial ports COMB/COMC, while Table 4-2 defi

Connectors44Page 611 Mouse Data 2 Keyboard VCC3 Mouse CLK 4 Keyboard GND5 Shield 6 Shield7 Keyboard DATA 8 Keyboard VCC9 Keyboard CLK 10 Keyboard GNDT

EPC-30 Hardware ReferencePage vii Using the CLMODE Menu-driven InterfaceC-3 Configuring the Attached Monitor C-3 Using the CLMODE Command Line Options

Connectors44Page 62Keyboard Connector (J15)6-pin mini-DIN CircularAMP 749266-1 or equivalentPin Signal Pin Signal1 Keyboard Data 4 Keyboard VCC2 N/

Connectors44Page 63A26 SA5 ~DACK2 Pull Up B26A27 SA4 TC B27A28 SA3 BALE B28A29 SA2 VCC B29A30 SA1 OSC B30A31 SA0 GND B31Table 4-15. ISA Bus Connector

Connectors44Page 64AT-bus pinout (AT side):P2 Signal Signal Name Signal Name Signal P2C1 ~SBHE ~MEMCS16 D1C2 LA23 ~IOCS16 D2C3 LA22 IRQ10 D3C4 LA21 I

Connectors44Page 65PC/104 ConnectorPC/104 pinout:32x2, 0.100" [2.54 mm] pitch socketSAMTEC ESQ 132-37-G-DCN9 Signal Signal Name Signal Name Signa

Connectors44Page 66PC/104 pinout :20x2, 0.100" [2.54 mm] pitch socketCN9 Signal Signal Name Signal Name Signal CN9C0 GND GND D0C1 ~SBHE ~MEMCS16

Connectors44Page 67PCMCIA ConnectorPCMCIA Connector (S1):69-Pin SMT CONAN Connector 0.039 in (1.0mm) CenterlineBERG 91931-31169Pin # Signal Pin # Sign

Connectors44Page 68

Connectors44Page 69NOTES

Connectors44Page 70

55Page 67-Troubleshooting andError MessagesTroubleshootingSymptoms Possible Cause(s) SolutionSystem appears toboot (evidencedby being on andhard disk

EPC-30 Hardware ReferencePage viiiFigure 2-9. Integrated Peripherals Sub-menu 29Figure 2-10. Exit Menu 31Figure 3-1. EPC-30 Block Diagram 34Figure 4-1

Troubleshooting and Error Messages55Page 68Serial ports donot work.Interrupt conflicts.Serial ports notenabled in CMOSsetup.Incorrect baseaddress sett

Troubleshooting and Error Messages55Page 69Problem: DOS cannot find the command line interpreter.Solution(s): Either COMMAND.COM is not present at the

Troubleshooting and Error Messages55Page 70Solution(s): Check the integrity of the keyboard connector.If you think you pressed a key during power-up,

Troubleshooting and Error Messages55Page 71PARITY ERROR IN SEGMENT ...DOSProblem: This could be a software error (reading a nonexistentmemory area) or

Troubleshooting and Error Messages55Page 72BIOS CheckpointsThe Phoenix PicoBIOS in the EPC-30 writes a number of POST checkpointcodes to I/O port 80h

Troubleshooting and Error Messages55Page 73Beep Code POST Code Checkpoint Description3Ch Configure advanced chipset registers3Dh Load alternate regist

Troubleshooting and Error Messages55Page 74Beep Code POST CODE Checkpoint Description84h Detect and install external parallel ports86h Re-initialize o

Troubleshooting and Error Messages55Page 75DCh Shutdown 10 errorTable 5-3. Auxiliary POST Checkpoint Codes.Beep Code Post Code Checkpoint DescriptionE

Troubleshooting and Error Messages55Page 76 PhoenixBIOS MessagesThe following is an explanation of each of the Phoenix BIOS messages.Diskette drive A

Troubleshooting and Error Messages55Page 77Monitor type does not match CMOS - Run SETUP Monitor type notcorrectly identified in SetupOperating system