Omega Engineering IOP-241 Network Card User Manual
Contents
1. 5 4 Port C Interrupt Enable Register Base 5 INT7 INTO may be enabled by writing the appropriate bits in the Port C Interrupt Enable Register The corresponding I O channel must be configured as an input channel via the Data Port C Control Register if an interrupt is to be generated If an I O channel is configured as an interrupt source INT7 INTO the I O channel continues to be a standard data input channel DATA23 DATA16 and may be read just as any other input signal is read Bit Name Description 7 INT7EN 1 Enables INT7 0 Disables INT7 6 INT6EN 1 Enables INT6 0 Disables INT6 5 INT5EN 1 Enables INT5 0 Disables INT5 4 INT4EN 1 Enables INT4 0 Disables INT4 3 INT3EN 1 Enables INT3 0 Disables INT3 2 INT2EN 1 Enables INT2 0 Disables INT2 1 INT2EN 1 Enables INT1 0 Disables INT1 0 INT1EN 1 Enables INTO 0 Disables INTO Table 5 5 Port C Interrupt Control Register IOP 241 Users Manual 27 5 5 Interrupt Mode Control Register Base 6 The mode of both the external interrupt and the Port C interrupts may be controlled with the Interrupt Mode Control Register The upper nibble 4 bits and lower nibble 4 bits of the Port C interrupts may be configured separately The external interrupt may also be enabled by writing this register The status of the external interrupt may be read in this register and the external interrupt may also2. CE OMEGA ENGINEERING INC IOP 241 24 Channel Digital Input Output Type II PCMCIA Card Users Manual INTERFACE CARDS FOR PERSONAL COMPUTERS OMEGA ENGINEERING INC Tel 203 359 1660 One Omega Drive Fax 203 359 7700 P O Box 4047 Toll free 1 800 826 6342 Stamford CT 06907 4047 E mail das omega com http www dasieee com IOP 241 Users Manual WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from the date of purchase OMEGA warranty adds an additional one 1 month grace period to the normal one 1 year product warranty to cover shipping and handling time This ensures that OMEGA s customers receive maximum coverage on each product If the unit should malfunction it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s warranty does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of being damaged as a result of excessive corrosion or current h
3. Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for patient connected applications IOP 241 Users Manual 5 Table of Contents 1 Introduction EE EE 9 Ll IOB EE 9 1 2 System Configuration o a aang nG wes ao E Ea nex Soles Peso TES oe NA 9 2 DOS Windows 3 x Installation id 24 IOP 241 Client Driver for DC 10 2 1 1 Client Driver Installation 2323435 2 24 HARE GAD DU KA Pa KABA KA 11 21 2 Command Eine OpHons series taen ia et etr ura De haban ia rt ace o KG San 12 2 13 Common Problems 322 et Ae NV ERRAT RP RN RS en Sae A nce SE 14 2 2 IOP 241 Enabler for DOS 2s sons Eege XP MRNA YU ZEN 15 a May Enabler InstallabtOH na ee ao NG Kwan Mae ate e tes a Dee E red 16 2 2 2 Command Line Options ve sve e AV EPA ERE P E SERIES VERE 17 223 Common Problems meore veg oh ant PA 18 2 3 After Completing Configuration esu eere Ee NES 19 3 Windows 95 980 Installation a 3 1 Installing the IOP 241 Under Windows 95 98 20 3 2 Resource Settings in Windows 95 98 VVYY Y ud 20 3 2 1 Viewing Resource Settings with Device Manager sess 20 3 3 Changing Re
4. Enabler reports the desired card configuration the installation process is complete IOP 241 Users Manual 16 2 2 2 Command Line Options To configure an IOP 241 the Enabler requires one command line argument from the user to determine the configuration of the card This argument must be enclosed in parenthesis and within the argument any or all of the following parameters may be specified using a comma no spaces to separate each parameter ssocket Specifies which PCMCIA socket the IOP 241 must be inserted into for this configuration argument to be used Socket must be in the range of 0 15 This option is always required baddress Specifies the base I O address of the IOP 241 in hexadecimal Address must reside on an even 8 byte boundary I O base address must end in 0 or 8 The valid range for the IOP 241 s base address is 100H to 3F8H Specify only one of the following options b address or r Use of one of these options is always required iirg Specifies the interrupt level IRO of the IOP 241 in decimal Irq must be one of the following values 3 4 5 7 9 10 11 12 14 15 or 0 if no IRQ is desired This option is required if the r option is not used w address Specifies the base address of the memory window required to configure the IOP 241 Set address DO for a memory window at segment D000 address D8 for a memory window at segment D800 etc Valid settings for address are C
5. adapters upon insertion Hot Swapping of IOP 241 adapters upon insertion Hot Swapping Requires PCMCIA Card and Socket Services Does not require PCMCIA Card and Socket software Services software Table 1 1 Client Driver versus Enabler If you are unsure whether Card and Socket Services software is currently installed on your system install the IOP 241 Client Driver as discussed in following section When loaded the Client Driver will display an error message if Card and Socket Services software is not detected 2 1 IOP 241 Client Driver for DOS In order to use the IOP 241 Client Driver the system must be configured with Card and Socket Services software Card and Socket Services software is not provided with the IOP 241 IMPORTANT Some versions of Card and Socket Services dated before 1993 do not support general purpose I O cards If after careful installation of the Client Driver the IOP 241 does not configure or operate properly an updated version of Card and Socket Services software may be required IOP 241 Users Manual 10 2 1 1 Client Driver Installation The following procedure is used to install the IOP 241 Client Driver 1 Copy the file IOP241CL SYS from the customer software CD ROM directory PCMCIA DOS CLIENTS onto the root directory of the system hard drive Using an ASCII text editor open the system CONFIG SYS file located in the root directory of the boot drive Locate the line s
6. hardware class Data_Acquisition to list hardware devices in the class The IOP 241 belongs to this hardware class The device name for the IOP 241 is Omega IOP 241 PCMCIA Digital I O Card Open the Properties dialog box for the IOP 241 then click the Resources tab to view the Input Output Range and Interrupt Request resource allocations Omega IOP 241 PCMCIA Digital 170 Card Properties 0108 010F Interrupt Request 05 Figure 3 1 Windows 95 98 Resource Settings IOP 241 Users Manual 21 5 To modify either of the resource settings click the resource name and click the Change Setting button 6 An Edit Resource window will open Inside the Edit Resource window click on the up down arrows to the right of the resource value This scrolls you through all of the allowable resources for your hardware Pay attention to the Conflict Information at the bottom of the window Do not select a resource that causes a conflict with any other installed hardware 7 Repeat the above steps to modify all of the resources allocated to the IOP 241 Once satisfied with the settings make a note of the new settings and click the OK button to accept Clicking the Cancel button does not save your changes If any changes have been made to the IOP 241 configuration the card will automatically be reconfigured to the new resources specified Any time a PCMCIA card of this type is inserted Windows 95 98 will attempt to configure the card at these
7. in the CONFIG SYS file where the Card and Socket Services software is installed AFTER the line s installing the Card and Socket Services software add the following to the CONFIG SYS file DEVICE drive path IOP241CL SYS options where options are the IOP 241 Client Driver command line options discussed on the following pages Path is only required if the user places the Client Driver executable file in a directory other than the root directory Save the CONFIG SYS file and exit the text editor Insert the IOP 241 into one of the system PCMCIA slots NOTE Since the IOP 241 Client Driver supports Hot Swapping it is not necessary to have the IOP 241 installed when booting the system However by inserting the card before booting the Client Driver will report the card configuration during the boot process thereby verifying changes made to the CONFIG SYS file Reboot the system and note the message displayed when the IOP 241 Client Driver is loaded If the Client Driver reports an invalid command line option correct the entry in the CONFIG SYS file and reboot the system again If the Client Driver reports Card and Socket Services not found then Card and Socket Services software must be installed on the system or the IOP 241 Enabler program must be used to configure the card If the Client Driver reports the desired card configuration the installation process is complete and the IOP 241 may be removed and or inserted from the s
8. is to be installed In this example the Client Driver will attempt to configure an IOP 241 inserted into socket 0 with a base address of 300H and IRQ 5 If the IOP 241 is inserted into socket 1 the Client Driver will attempt to configure it with base address 340H and IRO 10 This allows the user to force the IOP 241 s address and IRQ settings to be socket specific which may simplify cable connections and software development As in the previous examples however if the requested address or interrupt resources are not available the IOP 241 will not be configured IOP 241 Users Manual 13 21 3 Common Problems 2 1 3 1 Generic Client Drivers Many Card and Socket Services packages include a generic client driver or SuperClient which configures standard I O devices If one of these generic client drivers is installed it may configure the IOP 241 causing the client driver to fail installation In these cases the user should do one of the following 1 Modify the operation of the generic client driver to disable the configuration of modem serial port cards Consult the Card and Socket Services documentation for availability and details of this feature 2 Place the IOP 241 client driver entry before the generic client driver entry in the system CONFIG SYS file 2 1 3 2 Available Resources One function of the Card and Socket Services software is to track which system resources memory addresses I O addresses IRQs etc are available fo
9. of 0 15 If this option is omitted the configuration argument will apply to cards inserted into any socket 2 1 2 1 Example 1 DEVICE C NIOP241CL SYS No command line arguments are specified The Client Driver will configure an IOP 241 inserted into any socket with a base address and IRQ assigned by Card and Socket Services 2 1 2 2 Example 2 DEVICE C IOP241CL SYS b330 A single command line argument is provided The Client Driver will attempt to configure an IOP 241 inserted into any socket at address 330H and an IRQ assigned by Card and Socket Services If address 330H is unavailable the IOP 241 will not be configured 2 1 2 3 Example 3 DEVICE C OP241CL SYS s0 b300 i5 A single command line argument is provided The Client Driver will attempt to configure an IOP 241 inserted into socket 0 with a base address of 300H and IRQ 5 If address 300H or IRQ 5 are unavailable the IOP 241 will not be configured In addition if an IOP 241 is inserted into any other socket it will not be configured IOP 241 Users Manual 12 2 1 2 4 Example 4 DEVICE C IOP241CL SYS i11 b300 A single command line argument is provided Because the parameter order is not significant the Client Driver will attempt to configure an IOP 241 inserted into any socket with a base address of 300H and IRQ 11 If address 300H or IRQ 11 are unavailable the IOP 241 will not be configured 2 1 2 5 Example 5 DEVICE C IOP241CL SYS b300 i5 110
10. pending interrupts A 1 signals that an interrupt generating condition has occurred on the appropriate channel Interrupts will continue to occur until this register has a value of 00h and no interrupt generating conditions remain This register must be reset by acknowledging interrupts via writing the Interrupt Acknowledge Register Bit Name Description 7 0 ChanCIntStatus The Status of INT7 INTO is read Bit 7 INT7 Bit 6 INT6 etc Table 5 7 Interrupt Status Register Read Only IOP 241 Users Manual 28 5 7 Interrupt Acknowledge Register Write Only Base 7 Writing a 1 to any bit in the Interrupt Acknowledge Register will acknowledge the interrupt generating condition which was represented in the corresponding bit of the Interrupt Status Register If a l is written to a bit in the Interrupt Acknowledge Register and the corresponding interrupt generating condition is not present then the appropriate bit in the Interrupt Status Register will be reset set to 0 Name Description ChanCIntAck Written to acknowledge INT 7 INTO Bit 7 INT7 Bit 6 INT6 etc Table 5 8 Interrupt Status Register Write Only 5 8 Summary of Interrupt Source Options Two interrupt source options are provided in the IOP 241 and are summarized below 1 Port C Interrupt Sources a The following must be programmed i Channel set for input via Data Port C Control Register ii Interrupt source enab
11. to turn on the output module 2 PORT USED AS AN INPUT a Writing a 1 to all the bits of the latch will allow all the channels of the port to be read as inputs Writing a 0 to any bits of the latch will mask those bits Those bits will always be read as a 0 3 PORT USED AS INPUT AND OUTPUT If a port is to be used so that some channels are inputs and some channels are outputs it must be insured that the channels to be used as inputs are initialized as inputs This is done by writing a 1 to the bits of the data port control register representing the I O channels which are to be used as inputs anytime the port is written a The channels which are to be inputs should always be written with a 1 and never written with a 0 b The channels which are to be outputs should be written with the appropriate value 0 or 1 c The channels which are latched with a 0 will always be 0 when read they are masked from input IOP 241 Users Manual 30 5 10 Programming Example The following C program segment demonstrates how to program an IOP 241 located at I O base address 300h Port A will be programmed as output and 55h will be latched at Port A Port B will be configured with it s upper 3 bits as output and it s lower five bits as input The upper three bits will be latched with 010b Port C will be configured as input Interrupts will be enabled as explained in the program comments outp 0x300 0x55 wr
12. written with a 1 and second the interrupt generating condition must no longer exist For level sensitive interrupts an interrupt will be immediately generated after the write of the Interrupt Acknowledge Register if the interrupt generating condition active level on Port C interrupt source remains 43 External Interrupt Description In addition to the eight Port C interrupt sources an additional external interrupt source is provided in the IOP 241 This external interrupt source is accessed through Pin 29 of the external connector The external interrupt source permits the IOP 241 to be operated with 24 bit input output and one separate interrupt source The Interrupt Mode Control Register provides a means of enabling disabling this external interrupt setting the external interrupt mode reading the status of the external interrupt and acknowledging the external interrupt The functionality of this external interrupt source is identical to that described for the Port C interrupt sources in the previous section IOP 241 Users Manual 24 5 Register Descriptions The program registers of the IOP 241 occupy eight adjacent bytes of I O address space These registers must be programmed to control the operation of the IOP 241 The table below lists the program registers along with their offsets relative to the I O space base address at which the IOP 241 is located Read Write Register R W Data Port A Control Register R W Data Port B Contr
13. 1 2 DATA10 General Purpose I O bit 10 1 DATA9 General Purpose I O bit 9 0 DATA8 General Purpose I O bit 8 Table 5 3 Data Port B Control Register 5 3 Data Port C Control Register Base 2 The Data Port C Control Register contains the control bits for I O channels DATA16 DATA23 Each I O channel may be individually programmed for input by writing a 1 to the appropriate bit of this register In addition any of these eight I O channels which are programmed for input may also be used to generate interrupts In order to program an I O channel as an interrupt source the Port C Interrupt Enable Register must be set appropriately The I O channel must also be programmed for input by writing a 1 to the appropriate bit of the Data Port C Control Register kd Ke ex Name Description DATA23 INT7 General Purpose I O bit 23 and Interrupt Line 7 DATA22 INT6 General Purpose I O bit 22 and Interrupt Line 6 DATA21 INT5 General Purpose I O bit 21 and Interrupt Line 5 DATA20 INT4 General Purpose I O bit 20 and Interrupt Line 4 DATA19 INT3 General Purpose I O bit 19 and Interrupt Line 3 DATA18 INT2 General Purpose I O bit 18 and Interrupt Line 2 DATA17 INT1 General Purpose I O bit 17 and Interrupt Line 1 7 6 5 4 3 2 1 0 DATA16 INTO General Purpose I O bit 16 and Interrupt Line 0 Table 5 4 Data Port C Control Register IOP 241 Users Manual 26
14. 8 CC DO D4 D8 and DC If this option is omitted a memory window at segment D000 will be used Before removing an IOP 241 from its PCMCIA socket the Enabler should be executed to free the system resources allocated when the card was installed For this operation the Enabler provides on additional command line option r Instructs the Client Driver to release the resources previously allocated to the IOP 241 When the r option is used any settings specified by the b i u and e options are ignored Specify only one of the following options b address or r Use of one of these options is always required 2 221 Example 1 DEVICE C IOP241EN EXE No command line argument is specified The Enabler will report an error and display the proper usage of the command 2 2 2 2 Example2 DEVICE C IOP241EN EXE s0 b300 15 The Enabler will configure the IOP 241 in socket 0 with a base address of 300H and IRQ 5 using a configuration memory window at segment D000 IOP 241 Users Manual 17 2 2 2 3 Example 3 DEVICE C IOP241EN EXE i10 b340 s1 The Enabler will configure the IOP 241 in socket 1 with a base address of 340H and IRQ 10 using a configuration memory window at segment D000 Note that the parameter order is not significant 2 2 24 Example 4 DEVICE C IOP241EN EXE s0 b300 i3 wd8 The Enabler will configure the IOP 241 in socket 0 with a base address of 300H and IRQ 3 using a configuration memory window
15. 8 FAX 514 856 6886 For immediate technical or application assistance USA and Canada Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN M TELEX 996404 EASYLINK 62968934 CABLE OMEGA Mexico and Latin America Tel 001 800 826 6342 E mail espanol omega com En Espanol 001 203 359 7803 FAX 001 203 359 7807 Servicing Europe Benelux Postbus 8034 1180 LA Amstelveen The Netherlands Tel 31 20 6418405 Toll Free in Benelux 0800 0993344 E mail nl omega com Czech Republic ul Rude armady 1868 733 01 Karvina Hraniee Tel 42 69 6311899 Toll Free 0800 1 66342 FAX 42 69 6311114 E mail czech omega com France 9 rue Denis Papin 78190 Trappes Tel 33 130 621 400 Toll Free in France 0800 4 06342 E mail france omega com Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 07056 3017 Toll Free in Germany 0130 11 21 66 E mail germany omega com IOP 241 Users Manual United Kingdom One Omega Drive River Bend Technology Drive ISO 9002 Certified Northbank Irlam Manchester M44 5EX England Tel 44 161 777 6611 FAX 44 161 777 6622 Toll Free in England 0800 488 488 E mail info omega co uk It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of it s products to the European New
16. Input Output Current Connector PCMCIA PC Card Standard 2 1 compliant Type II PCMCIA card 5mm 5 volts 7 33 mA Typical all outputs off 12 38 mA Maximum all outputs off 36 38 mA Maximum all outputs on TTL Compatible Sink 6mA min at 0 33V Sink 20mA max at 1 0V Source 1 1mA max into 0Q at Vcc 5V 25mA Maximum Adapter to standard male D37 IOP 241 Users Manual 35 IOP 241 Users Manual Version 2 30 January 25 1999 Part No 940 0077 230 IOP 241 Users Manual 36
17. Three command line arguments are provided The Client Driver will first attempt to configure an IOP 241 inserted into any socket with a base address of 300H and IRQ5 If address 300H or IRQ 5 are unavailable the Client Driver will proceed to the second command line argument and attempt to configure the card with a base address assigned by Card and Socket Services and IRQ 10 If IRO 10 is also unavailable the Client Driver will proceed to the third command line argument and attempt to configure the IOP 241 with a base address and an IRQ assigned by Card and Socket Services 2 1 2 0 Example 6 DEVICE C NIOP241CL SYS b300 i5 110 In example 6 the three command line arguments of example 5 have been rearranged The Client Driver will first attempt to configure an IOP 241 inserted into any socket with a base address of 300H and IRQ 5 If address 300H or IRQ 5 are unavailable the Client Driver will proceed to the second command line argument and attempt to configure the card with a base address and IRQ assigned by Card and Socket Services Since the second command line argument includes all available address and IRQ resources the third command line argument will never be reached by the Client Driver The user must ensure the command line arguments are placed in a logical order 2 1 2 7 Example7 DEVICE C NIOP241CL SYS s0 b300 15 s1 b340 110 The type of configuration shown in example 7 may be desirable in systems where more than one IOP 241
18. ager s control Consult the documentation provided with the memory manager software for instructions on how to exclude this memory region IOP 241 Users Manual 15 221 Fnabler Installation The following procedure is used to install the IOP 241 Enabler 1 Copy the file IOP241EN EXE from the customer software CD ROM directory PCMCIA DOS ENABLERS onto the root directory of the system hard drive Using an ASCII text editor open the system s CONFIG SYS file located in the root directory of the boot drive Locate the line s in the CONFIG SYS file where the Card and Socket Services software is installed AFTER the line s installing the Card and Socket Services software add the following to the CONFIG SYS file DEVICE drive path MOP241EN EXE options where options are the IOP 241 Client Driver command line options discussed on the following pages Path is only required if the Enabler executable file is placed in a directory other than the root directory Save the CONFIG SYS file and exit the text editor Insert the IOP 241 into one of the system s PCMCIA slots NOTE Since the IOP 241 Enabler does not support Hot Swapping it is necessary to have the IOP 241 installed when booting the system Reboot the system and note the message displayed when the IOP 241 Enabler is loaded If the Enabler reports an invalid command line option correct the entry in the CONFIG SYS file and reboot the system again If the
19. at segment D800 2 2 2 5 Example 5 DEVICE C IOP241EN EXE s0 b300 i5 r The Enabler will release the configuration used by the IOP 241 in socket O using a configuration memory window at segment D000 The base address and IRQ parameters are ignored and may be omitted 2 2 2 6 Example 6 DEVICE C NIOP241EN EXE s1 r wcc The Enabler will release the configuration used by the IOP 241 in socket 1 using a configuration memory window at segment CC00 2 2 3 Common Problems 2 2 3 1 Memory Range Exclusion The Enabler requires a region of high DOS memory when configuring an IOP 241 This region is 1000H bytes 4KB long and by default begins at address D0000H the default address may be changed using the W option If a memory manager such as EMM386 OEMM or 386Max is installed on the system this region of DOS memory must be excluded from the memory manager s control Consult the documentation provided with the memory manager software for instructions on how to exclude this memory region Furthermore some systems use the high memory area for BIOS shadowing to improve overall system performance In order for the Enabler to operate any BIOS shadowing must be disabled in the address range specified for the configuration window BIOS shadowing can usually be disabled through the system s CMOS setup utility 2 2 3 2 Socket Numbers The Enabler requires the IOP 241 s socket number to be specified on the command line and the IOP 241 must be ins
20. ation The figure below illustrates a complete IOP 241 system For users that do not wish to interface to the IOP 241 0 8mm I O connector an optional adapter cable CP 1037 is available to convert this connector into an industry standard D 37 connector For applications requiring discrete wiring hook ups an optional screw terminal block UIO 37 is available to convert the D 37 connector into 37 single screw terminal blocks These optional accessories are described in detail in Chapter 7 IOP 241 Hirose 32 CP IO37 Figure 1 1 IOP 241 System Configuration IOP 241 Users Manual 9 2 DOS Windows 3 x Installation Two configuration software programs are provided with the IOP 241 a Client Driver and a card Enabler Both of these programs are executed from DOS before entering Windows and allow operation of the IOP 241 in both the DOS and Windows 3 x environments For optimal operation the Client Driver is the preferred method of installation and configuration The table below highlights the differences between these programs Client Driver recommended Enabler File name IOP241CL SYS File name IOP241EN EXE File type DOS device driver File type DOS executable Interfaces to PCMCIA Card and Socket Interfaces directly to Intel 82365SL and Services software PCMCIA host adapter other PCIC compatible PCMCIA host independent adapters Allows automatic configuration of IOP 241 Does not support automatic configuration
21. be acknowledged by writing the appropriate bit in the Interrupt Mode Control Register Bit Name Description 7 ExtIntStat Read ExtIntStat to read status of external interrupt ExtIntAck Write ExtIntAck write acknowledges external interrupt 6 ExtraIntEn 1 external interrupt is enabled 0 external interrupt is disabled 5 4 ExtIntControl These two bits control the mode of the external interrupt 00 Level Sensitive Active Low Interrupt 01 Level Sensitive Active High Interrupt 10 High to low Transition Edge Sensitive Interrupt 11 Low to high Transition Edge Sensitive Interrupt 3 2 UpperIntCntrl These two bits control the mode of the Upper Nibble of Port C INT7 INT6 INT5 INT4 00 Level Sensitive Active Low Interrupt 01 Level Sensitive Active High Interrupt 10 High to low Transition Edge Sensitive Interrupt 11 Low to high Transition Edge Sensitive Interrupt 1 0 LowerlIntCntrl These two bits control the mode of the Lower Nibble of Port C INT3 INT2 INT1 INTO 00 Level Sensitive Active Low Interrupt 01 Level Sensitive Active High Interrupt 10 High to low Transition Edge Sensitive Interrupt 11 Low to high Transition Edge Sensitive Interrupt Table 5 6 Interrupt Mode Control Register 5 6 Interrupt Status Register Read Only Base 7 On a read this register provides the interrupt status for the Port C interrupts This provides a mechanism for determining the sources of any
22. cluded free of charge with the IOP 241 4 For third party data acquisition software such as LabTech Notebook LabVIEW TestPoint or SnapMaster consult the documentation provided by the software manufacturer IOP 241 Users Manual 19 3 Windows 95 986 Installation To allow easy configuration of the IOP 241 a Windows 95 98 INF configuration file has been written for the hardware DAQPCARD INF 3 1 Installing the IOP 241 Under Windows 95 98 1 Insert the IOP 241 into any available PC Card socket 2 The first time a new PC Card type is installed the New Hardware Found window opens After this first installation Windows 95 98 will automatically detect and configure the card If the New Hardware Found window does not open then skip to the next section IOP 241 Resource Settings 3 The New Hardware Found window provides several options to configure the IOP 241 card Click the Driver from Disk option button Click OK to continue 4 An Install from Disk dialog box should appear Insert the customer software CD ROM select the correct drive letter and path for the configuration file DAQPCARD INF and click OK Windows 95 98 will browse the path for the aforementioned file The IOP 241 should now be configured In the future Windows 95 98 will automatically recognize and configure the IOP 241 3 2 Resource Settings in Windows 95 98 Windows 95 98 maintains a registry of all known hardware installed in the c
23. eat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear are not warranted including but not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided from OMEGA either verbal or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or ac
24. erted into the socket before the Enabler is invoked Some vendors number their sockets from 1 to N while other vendors number their sockets from 0 to N 1 For the IOP 241 Enabler the lowest socket number in the system is designated socket 0 IOP 241 Users Manual 18 2 2 3 3 Card and Socket Services Software In order to use the IOP 241 Enabler for DOS the system MUST NOT be configured with Card and Socket Services software If Card and Socket Services software is installed the IOP 241 Enabler may interfere with its operation and with the device s it controls For systems configured with Card and Socket Services the IOP 241 Client Driver is the recommended method of configuration 2 3 After Completing Configuration The IOP 241 is now configured and ready for use Depending on the type of application software to be used the user may wish to review one or more of the following 1 Chapter 4 of this document provides a basic theory of operation of the card for users that wish to learn the technical details about the operation of the IOP 241 2 For users that want to program the IOP 241 with direct I O transfers to the card s register set Chapter 5 provides an address map and a detailed description of each I O register 3 Users that wish to write custom application software without programming the IOP 241 directly should consult the DAQDRIVE software reference manual DAQDRIVE provides a library of data acquisition subroutines and is in
25. ew KAWA 9 Windows 95 98 Resource Settings au vere hotte ante whee Y AB TG ln 21 IOP 241 33 Pin Connector esee RR RR RII 32 CP 1057 D37 Pm Assignments 4319 TG GD NG Hh PG ke A EE ES 33 WIO 37 Screw Terminal Block aaa kaki See BRR Pah eR lk ek LECCE DTE 34 Client Driver versus Enabler sid ving va BLG rry CE TREE A QUEUE E GA TCR 10 IOI 241 Prosiant Registers vac vec y We Y NY RECS Y WE APR 25 Data Port A Control Register sax AKA RAK UE eme bn AR OHAN AA NA 25 Data Port B Control Register suyo ed YU VEU A USERS ART OX VEN PX Va 26 Data Dort Control Register c soni aedes Vg actes sa e e es ea cna gata 26 Port C Interrupt Control Register ocu dau ser dies Da reram e eer ded 27 Interrupt Mode Control Registers ios sca ss Gos WARS E ME NG PG YR 28 Interrupt Status Register Read Only ice suse he ew Be Re Sed KABANG NA KG pus 28 Interrupt Status Register Write Only aes TG YG NIA ds 29 IOP 241 Users Manual 8 1 Introduction The IOP 241 is a 24 chamnel digital input output card for systems equipped with PCMCIA Type II and or Type III expansion sockets 1 1 IOP 241 Features PC Card Standard Specification 2 10 Compliant 24 TTL compatible digital I O channels 8 channels can be used as interrupt sources Channels individually programmable as either input or output Active high sensitive active low sensitive low to high transistion or high to low transition interrupt modes external interrupt available 28 12 System Configur
26. gister In all three registers each bit corresponds to one data line The Data Port A Control Register is used to access data lines DATA7 DATAO The Data Port B Control Register is used to access data lines DATA15 DATAS The Data Port C Control Register is used to access data lines DATA23 DATA16 All of the 24 I O channels DATA23 DATAO may be individually programmed for either input or output Each data port is latched on a write to that particular port Each I O channel may be programmed for input by writing a 1 to the appropriate bit in the corresponding data port control register The I O channels are driven by an open collector driver therefore writing a 1 will turn the open collector output driver oft When ott the open collector output driver is tri stated Tri stating the output driver of an I O channel will allow that I O channel to be driven by another device An I O channel which is configured for input may be accessed by reading the appropriate data port control register If a 0 is written to the appropriate bit in the corresponding data port control register the channel may not be used as input The channel will be masked and a 0 will always be read on the channel If an I O channel is to be used as output the appropriate data port control register should be written When a write operation is performed the data is latched If a bit is written with a 0 the open collector output driver will be turned on and the I O c
27. hannel will be driven to a low voltage state Writing a 1 to the appropriate bit will turn the open collector driver oft but a pull up resistor will pull the particular I O channel to a TTL high voltage level Upon reset of the IOP 241 the three data port control registers are all latched with a value of FFh This forces all 24 open collector output drivers off upon a system power up or upon an IOP 241 card insertion Thus all 24 I O channels are configured as input by default Care should be taken prior to programming any of these I O channels for output The open collector drivers should not be turned on by writing a 0 to the appropriate bit of a data port control register if the I O channel is driven by another device Driving the channel low by latching a 0 into a bit of the data port control register may cause damage to the peripheral the host system or the IOP 241 card if the channel is also being driven by a peripheral IOP 241 Users Manual 23 42 Port C Interrupt Description The eight Port C I O channels DATA23 DATA16 may also be configured as interrupt sources If any of these eight I O channels are used to generate an interrupt the I O channel must be configured for input by latching the appropriate bit in the Data Port C Control Register to 1 The interrupt must also be enabled by setting the appropriate bit in the Port C Interrupt Enable Register Eight interrupt sources INT7 INTO may be enabled in this manne
28. ites 55h to Port A outp 0x301 0x5F writes 010b to Port B upper 3 bits sets Port B lower 5 bits for input outp 0x302 0xFF initializes Port C for input Port_B inp 0x301 reads data from Port B Port B bit7 0 and Port B bit5 0 due to masking Port_C inp 0x302 _ reads data from Port C outp 0x306 0x76 INT7 INT4 set for Level Sensitive Active High Interrupt Mode INT3 INTO set for Edge Sensitive High to low Transition Interrupt Source External Interrupt Source Enabled External Interrupt Source set for Low to high Edge Sensitive Interrupt Source outp 0x305 0x77 Enables six Port C interrupt sources Enables INT6 INT5 INTA4 INT2 INT1 INTO IOP 241 Users Manual 31 6 External Connections The IOP 241 is fitted with a 33 pin 0 8mm shielded connector with the pins assigned as shown in Figure 6 1 below GND DATAO DATA DATA2 DATA3 DATA4 DATA DATA6 DATA7 GND DATA8 DATA9 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15 GND DATA16 INTO DATA17 INT1 DATA18 INT2 DATA19 INT3 DATA20 INT4 DATA21 INT5 DATA22 INT6 DATA23 INT7 ND XT IRO N N N N Figure 6 1 IOP 241 33 Pin Connector IOP 241 Users Manual 32 7 Optional Accessories 7 1 CP 1037 Cable Assembly An optional cable assembly Omega product number CP 1037 is available to convert the IOP 241 s 33 pin 0 8mm I O connector to a s
29. led via Port C Interrupt Enable Register iii Mode selected via Interrupt Mode Control Register b Interrupt generated unless Interrupt Status Register is 00h i Unacknowledged interrupts are represented by a 1 in the Interrupt Status Register ii Interrupt is generated after write of Interrupt Acknowledge Register if any interrupts remain unacknowledged c _ 1 in Interrupt Status Register is reset to 0 if the following two requirements are satisfied i Interrupt acknowledged by writing appropriate bit in Interrupt Acknowledge Register with 1 ii Condition which caused interrupt is no longer present IOP 241 Users Manual 29 2 External Interrupt Source a The following must be programmed 1 Interrupt source enabled via Interrupt Mode Control Register ii Mode selected via Interrupt Mode Control Register D Interrupt generated if ExtIntStat of Interrupt Mode Control Register is 1 c Um ExtIntStatus is reset to 0 if the following two requirements are satisfied i Interrupt acknowledged by writing ExtIntAck with 1 ii Condition which caused interrupt is no longer present 5 9 Summary of Input Output Options Each of the three ports Port A Port B Port C may be configured in one of three manners 1 PORT USED AS AN OUTPUT a _ Write a 1 to the appropriate bits of the latch in order to turn off the output module D Write a 0 to the appropriate bits of the latch in order
30. of the product and 3 Repair instructions relative to the product OMEGA Ais policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 1999 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without prior written consent of OMEGA ENGINEERING INC IOP 241 Users Manual 2 CC Declaration of Conformity Manufacturer s Name Manufacturer s Address Application of Council Directive Standards to which Conformity is Declared Type of Equipment Equipment Class Product Name Model Number Omega Engineering Inc One Omega Drive Stamford CT 06907 0047 89 336 EEC EN50081 2 EN55022 EN50082 1 IEC 801 2 IEC 801 3 amp IEC 801 4 Information Technology Equipment Commercial Residential and Light Industrial PCMCIA Card IOP 241 IOP 241 Users Manual OMEGAnet On line Service Internet e mail http www omega com info omega com Servicing North America USA One Omega Drive Box 4047 E mail info omega com ISO 9001 Certified Stamford CT 06907 0047 Tel 203 359 1660 FAX 203 359 7700 Canada 976 Bergar E mail info omega com Laval Quebec H7L 5A1 Tel 514 856 692
31. ol Register R W Data Port C Control Register R W Port C Interrupt Enable Register Interrupt Mode Control Register R Interrupt Status Register W Interrupt Acknowledge Register Table 5 1 IOP 241 Program Registers Each register of the IOP 241 is discussed in detail in the following sections 5 1 Data Port A Control Register Base 0 The Data Port A Control Register contains the control bits for I O channels DATAO DATAZ Each I O channel may be individually programmed for input by writing a 1 to the appropriate bit of this register Bit Name Description 7 DATA7 General Purpose I O bit 7 6 DATA6 General Purpose I O bit 6 5 DATA5 General Purpose I O bit 5 4 DATA4 General Purpose I O bit 4 3 DATA3 General Purpose I O bit 3 2 DATA2 General Purpose I O bit 2 1 DATA1 General Purpose I O bit 1 0 DATAO General Purpose I O bit 0 Table 5 2 Data Port A Control Register IOP 241 Users Manual 25 5 2 Data Port B Control Register Base 1 The Data Port B Control Register contains the control bits for I O channels DATA8 DATA15 Each I O channel may be individually programmed for input by writing a I to the appropriate bit of this register Bit Name Description 7 DATA15 General Purpose I O bit 15 6 DATA14 General Purpose I O bit 14 5 DATA13 General Purpose I O bit 13 4 DATA12 General Purpose I O bit 12 3 DATA11 General Purpose I O bit 1
32. omputer Inside this hardware registry Windows 95 keeps track of all computer resources such as base I O addresses IRO levels and DMA channels In the case of a PC Card PCMCIA Windows 95 98 configures the new hardware using free resources it finds within the hardware registry and then updates the registry automatically To view and or edit hardware devices in Windows 95 98 use the system Device Manager To access Device Manager double click the System icon in the Windows 95 98 Control Panel or click the My Computer icon on the Windows 95 98 desktop with the right mouse button and select Properties from the pull down menu Consult Windows 95 98 on line help for details on using the Device Manager 3 21 Viewing Resource Settings with Device Manager 1 Start the Device Manager 2 Double click on the hardware class Data Acquisition to list hardware devices in the class The IOP 241 belongs to this hardware class The device name for the IOP 241 is Omega IOP 241 PCMCIA Digital I O Card IOP 241 Users Manual 20 3 3 Open the Properties dialog box for the IOP 241 then click the Resources tab to view the Input Output Range and Interrupt Request resource allocations see Figure 3 1 To access the IOP 241 use these system resources allocated by Windows 95 98 or see Changing Resource Settings with Device Manager Changing Resource Settings with Device Manager Start the Windows 95 98 Device Manager Double click on the
33. r each of these interrupt sources corresponds to an I O channel in Port C The mode of the port C interrupt sources may be configured in one of four possible manners level sensitive active low interrupt level sensitive active high interrupt high to low transition edge sensitive interrupt and low to high transition edge sensitive interrupt The lower nibble 4 bits and upper nibble 4 bits of the Port C interrupt sources may be configured separately This will allow INT7 INT4 to be configured for a different mode than INT3 INTO These modes are configured by writing the Interrupt Mode Control Register Whenever an interrupt is generated due to a Port C interrupt source the corresponding bit of the Interrupt Status Register is set to reflect the cause of the interrupt This provides a mechanism for determining the source of a detected interrupt The Interrupt Status Register will be continually updated as additional interrupt generating conditions appear Writing a 1 to the appropriate bit of the Interrupt Acknowledge Register is the method by which interrupts should be acknowledged After a write to the Interrupt Acknowledge Register another interrupt will be generated if the Interrupt Status Register does not contain a value of 00h Any bit in the Interrupt Status Register which has a value of 1 can be reset to a value of 0 if the following two conditions are met first the corresponding bit in the Interrupt Acknowledge Register must be
34. r assignment to inserted PCMCIA cards Sometimes however the software assumes or incorrectly determines that a particular resource is used when it is actually available Most Card and Socket Services generate a resource table in a file typically in the form of an INI file which the user can modify to adjust the available system resources Consult the Card and Socket Services documentation for availability and details of this feature 2 1 3 3 Multiple Configuration Attempts Some Card and Socket Services have a setting which aborts the configuration process after a single configuration failure such as a request for an unavailable resource The user should change this setting to allow for multiple configuration attempts Consult the Card and Socket Services documentation for availability and details of this feature 2 1 3 4 Older Versions of Card and Socket Services Some versions of Card and Socket Services dated before 1993 do not support general purpose I O cards If after careful installation of the Client Driver the IOP 241 does not configure or operate properly an updated version of Card and Socket Services may be required Card and Socket Services software is available from Omega IOP 241 Users Manual 14 22 TOP 241 Enabler for DOS For systems that are not operating PCMCIA Card and Socket Services software the IOP 241 DOS Enabler may be used to enable and configure the card This Enabler IOP241EN EXE will operate on any DOS sys
35. resource settings Click the Use Automatic Settings box to reset this card type for automatic configuration see Figure 3 1 3 4 After Completing Configuration The IOP 241 is now configured and ready for use Depending on the type of application software to be used the user may wish to review one or more of the following 1 Chapter 4 of this document provides a basic theory of operation of the card for users that wish to learn technical details about the operation of the IOP 241 2 For users that want to program the IOP 241 with direct I O transfers to the card s register set Chapter 5 provides an address map and a detailed description of each I O register 3 Users that wish to write custom application software without programming the IOP 241 directly should consult the DAQDRIVE software reference manual DAQDRIVE provides a library of data acquisition subroutines and is included free of charge with the IOP 241 4 For third party data acquisition software such as LabTech Notebook LabVIEW TestPoint or SnapMaster consult the documentation provided by the software manufacturer IOP 241 Users Manual 22 4 Theory of Operation 41 I O Port Description The 24 digital I O channels provided by the IOP 241 are grouped into three different ports with each port containing eight digital I O channels These three ports are controlled via the Data Port A Control Register Data Port B Control Register and Data Port C Control Re
36. source Settings with Device Manager 21 3 4 After Completing Configuration uu ee han EE 22 4 Theory of Operation HERE noe pa ahh paba EDS UE E 23 4l I O Port Description e sedes ek e AGA ade e mGA 23 4 2 Port C Interrupt Eet sees ve ub x KANA AA 24 4 3 External Interrupt Description isset ry hereto ves eos 24 5 Register Descriptions Gly GAN ar a GA NANA Aas a a a UNO NANG 25 5 1 Data Port A Control Register Base zi 25 5 2 Data Port B Control Register Base F 1 YY Y Y Yad 26 5 3 Data Port C Control Register Base 2 Y Y Y Y Yad 26 5 4 Port C Interrupt Enable Register Base i 27 5 5 Interrupt Mode Control Register Base z i 28 5 6 Interrupt Status Register Read Only Base 7 28 5 7 Interrupt Acknowledge Register Write Only Base 7 29 5 8 summary of Interrupt Source Options oi esee s Weeks EROS 29 5 9 Summary of Input Output Options 30 5 10 Programming Example 5 252 aec hae tee DO GOL GDC EEN 31 IOP 241 Users Manual 6 6 External Connections 7 Optional Accessories 7 1 CP 1037 Cable Assembly 7 2 UIO 37 Screw Terminal Block 8 Specifications IOP 241 Users Manual Figure 1 1 Figure 3 1 Figure 6 1 Figure 7 1 Figure 7 2 Table 1 1 Table 5 1 Table 5 2 Table 5 3 Table 5 4 Table 5 5 Table 5 6 Table 5 7 Table 5 8 List of Figures and Tables IOP 241 System Configuration 43 Y she ge Shwe nes GAGA S
37. tandard D 37 male connector The first 31 connections on the IOP 241 map directly to the first 31 pins of the D37 connector Note that two of the IOP 241 ground connections pins 32 and 33 are not available when using the CP 1037 Figure 7 1 illustrates the D37 connector pin assignments GND DATA15 DATA14 DATA13 DATA12 DATA11 DATA10 DATA9 DATA8 GND DATA7 DATA6 DATA5 DATA4 DATA3 DATA2 DATA DATA GND Figure 7 1 CP 1037 D37 Pin Assignments QOO O00000 QOO GO G0 QG 09 0 Q0 0O 9 9 GG09009000900G00G000000 EXT IRQ GND DATA23 INT7 DATA22 INT6 DATA21 INT5 DATA20 INT4 DATA19 INT3 DATA18 INT2 DATA17 INT1 DATA16 INTO IOP 241 Users Manual 33 7 2 UIO 37 Screw Terminal Block The UIO 37 Screw Terminal Block shown in Figure 7 2 connects directly to the optional CP 1037 cable assembly to provide users with a screw terminal interface The D37 connector of the CP 1037 connects directly to the 37 screw terminal blocks of the UIO 37 Each screw terminal is numbered for easy reference NOTE Since only the first 31 connections on the IOP 241 are available on the CP 1037 cable assembly two of the IOP 241 s ground connections pins 32 and 33 are not available when using the UIO 37 Figure 7 2 UIO 37 Screw Terminal Block IOP 241 Users Manual 34 8 Specifications Bus Interface Physical Dimensions Power Requirements Digital Input Output Current Source Sink at 25 C
38. tem using an Intel 82365SL or PCIC compatible PCMCIA host adapter including the Cirrus Logic CL PD6710 6720 the VLSI VL82C146 and the Vadem VG 365 IMPORTANT In order to use the IOP 241 Enabler for DOS the system MUST NOT be configured with Card and Socket Services software If a Card and Socket Services software is installed the IOP 241 Enabler may interfere with its operation and with the device s it controls The IOP 241 Enabler does not support automatic configuration of adapters upon insertion more commonly referred to as Hot Swapping This means the card must be installed in one of the system s PCMCIA sockets before executing IOP241EN EXE If more than one card is installed in a system the Enabler must be executed separately for each card Furthermore IOP241EN EXE should be executed to release the resources used by the card before it is removed from the PCMCIA socket Since PCMCIA adapters do not retain their configuration after removal any card that is removed from the system must be reconfigured with the Enabler after re insertion into a PCMCIA socket IMPORTANT The Enabler requires a region of high DOS memory when configuring an IOP 241 This region is 1000H bytes 4KB long and by default begins at address D0000H the default address may be changed using the W option If a memory manager such as EMM386 QEMM or 386Max is installed on the system this region of DOS memory must be excluded from the memory man
39. tivity medical application or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS THE ASSIGNED NUMBER SHOULD THEN BE MARKED ON THE OUTSIDE OF THE RETURN PACKAGE AND ON ANY CORRESPONDENCE THE PURCHASER IS RESPONSIBLE FOR SHIPPING CHARGES FREIGHT INSURANCE AND PROPER PACKAGING TO PREVENT BREAKAGE IN TRANSIT FOR WARRANTY RETURNS please have the following information available BEFORE contacting OMEGA 1 P O Number under which the product was purchased 2 Model and serial number of the product under warranty and 3 Repair instructions and or specific problems relative to the product FOR NON WARRANTY REPAIRS consult OMEGA for current repair charges Have the following information available BEFORE contacting OMEGA 1 P O Number to cover the cost of the repair 2 Model and serial number
40. ystem as desired On each insertion into the PCMCIA socket the IOP 241 will be automatically reconfigured according to the command line options IOP 241 Users Manual 11 2 1 2 Command Line Options The Client Driver accepts up to eight command line arguments from the user to determine the configuration of the IOP 241 If any arguments are provided the Client Driver will attempt to configure the IOP 241 with the options specified in the order they are entered on the command line Each argument must be enclosed in parenthesis and must be separated from other arguments by a space on the command line Within each argument any or all of the following parameters may be specified using a comma no spaces to separate each parameter b address Specifies the base I O address of the IOP 241 in hexadecimal Address must reside on an even 8 byte boundary I O base address must end in 0 or 8 The valid range for the IOP 241 s base address is 100H to 3F8H If this option is omitted a base address is assigned by Card and Socket Services i irq Specifies the interrupt level IRQ of the IOP 241 in decimal rq must be one of the following values 3 4 5 7 9 10 11 12 14 15 or 0 if no IRO is desired If this option is omitted an interrupt level will be assigned by Card and Socket Services ssocket Specifies which PCMCIA socket the IOP 241 must be inserted into for this configuration argument to be used Socket must be in the range
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