4I26B MULTI-IO INTERFACE CARD MANUAL
Contents
1. 2 o RI6 RI7 5 5 m 2 IRQ 3 CONFIG e 020 z PB 023 ug C74 m C25 12 R18 Page 7 FLOPPY POWER FLOPPY 4126B USER S MANUAL HARDWARE CONFIGURATION SERIAL CONFIGURATION The startup serial port configuration is determined by the settings on jumpers W1 through W4 Since either serial port can be COM1 COM2 COM3 or COM4 the physical porrts are refered to as serial A and serial B Serial A connects to P5 serial B connects to P7 W1 W2 W3 W4 SerA add IRO SerB add IRO down down down down disabled disabled down down down up COMI 3F8 4 11 disabled down down up down COM2 2128 3 10 disabled down down up up COMG 3138 4 11 disabled down up down down disabled COMI 3F8 4 11 down up down up disabled COM3 3E8 4 11 down up up down COM2 2F8 3 10 COMI 3F8 4 11 down up up up COM3 3128 4 11 S COMI 3F8 4 11 S up down down down disabled COM2 2 8 3 10 up down down up COMI 3F8 4 11 COM2 2F8 3 10 up down up down COM4 2E8 3 10 disabled up down up up COM3 3E8 4 11 COM2 2128 3 10 up up down down disabled COM4 2E8 3 10 up up down up COMI 3F8 4 11 COM4 2E8 3 10 up up up down 2 2128 3 10 S 2138 3 10 S up up up up COM3 3128 4 11 COMA 2128 3 10 Note interrupt selections marked with an S are shared between the two serial po2. into a PC 104 stack The standoffs should then be tightened to secure the 4126 in its place The 2mm IDE connector is much easier to install from the top so if you are using this connector you should either install the cable before assembling the 4126 into the PC 104 stack or leave the 4126 on the top of the stack When the 4126 is secured in the stack the other I O connectors can be plugged in from the side Page 19 4126B USER S MANUAL REFERENCE INFORMATION SPECIFICATIONS MIN MAX UNIT NOTES POWER SUPPLY Voltage 4 5 5 5 V Supply current 5V 125 mA BUS LOADING Input capacitance 15 pF Input leakage current 5 uA Output drive capability 150 pF Output sink current 12 mA ENVIRONMENTAL Operating temperature range I version 40 85 C C version 0 70 C Relative humidity 0 90 Percent Non condensing Page 20 4126B USER S MANUAL REFERENCE INFORMATION WARRANTY Mesa Electronics warrants the products it manufactures to be free effects in material and workmanship under normal use and service for the period of 2 years from date of purchase This warranty shall not apply to products which have been subject to misuse neglect accident or abnormal conditions ofoperation In the event of failure of a product covered by this warranty Mesa Electronics will repair any product returned to Mesa Electronics within 2 years of original purchase provided the warrantor s examination discloses to its sati
3. polarization is desired SERIAL PORT CONNECTORS Connectors P5 and P7 are the serial port connectors These are 10 pin dual row 1 headers The suggested mating connector is AMP 499934 1 This is an IDC flat cable type connector 5 is the primary SERA serial port connector and P7 is the secondary SERB serial port connector These strange serial port names are used because it is possible to re assign the port addresses with the serial setup jumpers or the setup utility they are not simply COM1 and COM2 When the flat cable from 5 or P7 is terminated in a male 9 pin 1 subminiature connector the 9 pin connector will have the same pin out as IBM AT type 9 pin serial ports The pin 10 wire fron the flat cable must be removed before installing the 9 pin D connector P5 and P7 serial port pinouts are as follows HEADER PIN DSUB PIN SIGNAL FUNCTION 1 1 DCD Handshake in 2 6 DSR Handshake in 3 2 RXD Datain 4 7 RTS Handshake out 5 3 TXD Data out 6 8 CTS Handshake in 7 4 DTR Handshake out 8 9 RI Handshake in 9 5 GND Signal ground 10 NC 5V Power or Key Page 10 4126B USER S MANUAL 10 CONNECTORS PARALLEL PORT CONNECTOR Connector P8 is the parallel printer port connector P8 is a 26 pin dual row 1 header The suggested mating connector is AMP 746285 6 This is an IDC flat cable type connector When the flat cable from P8 is terminated in a female 25 pin D subminiature connector the 25 pin connector will have
4. 10 or 4 11 selection is done with the IRQ configuration jumpers The default setting of this parameter is determined by the serial configuration jumpers Serial B Irg IRQ3 10 IRQ4 11 Page 17 4126B USER S MANUAL SOFTWARE CONFIGURATION 4126UTIL The serial B port can use the standard 1 84 MHz baud rate clock or a 2 MHz clock necessary to generate the MIDI baud rate PARAMETER PARAMETER VALUES Serial B Clock Standard MIDI The Serial B Direct Powerdown parameter allows the serial B port to be powered down when not used Serial B Direct PowerDown No default Yes The serial B port logic can be programmed to automatically power down when not used This is done with Serial Auto Powerdown Serial B Auto PowerDown No default Yes IDE Enable allows the IDE interface to be turned off if not used freeing the I O space occupied by the hard drive 1F0 1F7 or 170 17F hex The default setting of this parameter is determined by the IDE Floppy configuration jumpers IDE Enable Yes The IDE decode address can be set to the primary IDE address 1F0 1FF or the secondary IDE address 170 17F Note that this is different from the master slave drive setup The default setting of this parameter is determined by the IDE Floppy configuration jumpers IDE Address Primary Secondary Page 18 4126B USER S MANUAL INSTALLATION GENERAL When the 4126 has been properly configured for its application it can be inserted
5. 2mm header The AT compatible floppy interface supports 2 standard 360K 720K or 1 44M floppy drives The 4126 parallel interface has bidirectional capability The serial interface is 16C450 compatible with an option for 16C550 type FIFOed UARTS The parallel port is capable of bi directional operation EPP and ECP modes and has a bidirectional 16 byte FIFO Port locations and enables are determined by hardware jumpers but can be changed by software Alternate interrupts can be selected for the serial and parallel ports Page 5 4126B USER S MANUAL HARDWARE CONFIGURATION GENERAL The 4126 four sets of hardware configuration options Serial parallel floppy IDE and serial interrupt These jumper selectable options determine the power up configuration of the 4126 All of these options except the serial interrupt options can be changed later by using the configuration utility but must be set so that they do not interfere with existing hardware in the system The hardware setup will also determines what the BIOS sees at system startup All options are selected with shorting jumpers placed on three pin headers In the following discussions when the words up and down are used it is assumed that the 4126 card is oriented with its bus connectors J1 and J2 at the bottom edge of the card nearest the person doing the configuration DEFAULT CONFIGURATION The 4126 card is configured in the following manner when shipped from the f
6. 4126B MULTI IO INTERFACE CARD MANUAL VERSION 1 0 Copyright 1997 by MESA ELECTRONICS Richmond CA Printed in the United States of America All rights reserved This document and the data disclosed herein is not to be reproduced used disclosed in whole or in part to anyone without the written permission of MESA ELECTRONICS Mesa Electronics 4175 Lakeside Drive Suite 100 Richmond CA 94806 1950 Tel 510 223 9272 Fax 510 223 9585 E Mail tech mesanet com Website www mesanet com 4126B USER S MANUAL 4126B USER S MANUAL TABLE OF CONTENTS HANDLING PRECAUTIONS Hand line precautions oett dea allen DU e de E 4 INTRODUCTION A ere ee eer er een 5 HARDWARE CONFIGURATION General milli A aka as kae aaa A a dE 6 D fault configuration AA kai 6 Sera CONMPUTATION A Uae a 8 Serial interrupt OpLOsc rd kat e ke TOANE ees 8 Parallelconfiguratlion edu Ree disla a ia ka la kaak 9 Ploppy TDE configuration 9 CONNECTORS A aata a raas kanad ea kaak ls 10 Serial port cODneetots paaki Seok eras Aula 10 Parallel port Connectors der alla es ween de Ge p e de 11 IDE COMME ai A taat ee 12 LED CONMEELOR du
7. actory FUNCTION JUMPERS POSITION SERIAL CONFIG WI W4 UP UP UP UP COM3 COM4 IRQ4 IRQ3 PARALLEL CONFIG W5 W6 DOWN UP LPT 0378H FDC IDE CONFIG W7 W8 UP UP STD FLOPPY AND IDE ENABLED INTERRUPT CONFIG W9 W10 UP UP ALTERNATE SERIAL IRQS 10 AND 11 Page 6 4126B USER S MANUAL HARDWARE CONFIGURATION SERIAL A SERIAL B PARALLEL DEFAULT JUMPER SETTINGS IDE HARD DRIVE IDE LED RNI o Y CRI R4 PS R5 RN ul a lo c7 C8 HR U ULIL e 7 02 03 5 B P7 ya PARALLEL IDE FD CONFIG CONFIG CONFIG W4 05 US RN3 013 eM RNS
8. aseo pese A ku qa es 12 Power ti laaman ak EEE 12 Floppy Conect Sh pantie So wits ride oie pog 12 SOFTWARE CONFIGURATION General i c o Rude xc eles oder de as 13 4126111110 ee Sogo ren 13 INSTALLATION Gebetal e 19 REFERENCE INFORMATION A alata AA TESE ESS 20 21 Scliematic ATABTAMAS maa iS AA AA A AAA edad 23 4126B USER S MANUAL HANDLING PRECAUTIONS STATIC ELECTRICITY The CMOS integrated circuits on the 4126 can be damaged by exposure to electrostatic discharges The following precautions should be taken when handling the 4126 to prevent possible damage A Leave the 4126 in its antistatic bag until needed B All work should be performed at an antistatic workstation C Ground equipment into which 4126 willbe installed D Ground handling personnel with conductive bracelet through 1 megohm resistor to ground E Avoid wearing synthetic fabrics particularly Nylon Page 4 4126B USER S MANUAL INTRODUCTION GENERAL The 4126 is a floppy IDE dual serial and parallel interface card for the PC 104 bus The 4126 is intended mainly for developement use with MESA PC 104 CPU cards The 4126 IDE interface is fully buffered and has connectors for 3 5 drives 44 pin 1 header and 2 5 drives 44 pin
9. f this parameter is determined by the serial configuration jumpers Serial A Address 3F8 2F8 220 228 238 2E8 338 3E8 The serial A ports interrupt can be routed to IRQ3 10 or IRQ 4 11 The 3 10 or 4 11 selection is done with the IRQ configuration jumpers The default setting of this parameter is determined by the serial configuration jumpers Serial A Irg IRO3 10 IRQ4 11 The serial A port can use the standard 1 84 MHz baud rate clock or a 2 MHz clock necessary to generate the MIDI baud rate Serial A Clock Standard MIDI Page 16 4126B USER S MANUAL SOFTWARE CONFIGURATION 4126UTIL The Serial A Direct Powerdown parameter allows the serial A port to be powered down when notused PARAMETER PARAMETER VALUES Serial A Direct PowerDown No default Yes The serial A port logic can be programmed to automatically power down when not used this is done with Serial Auto Powerdown Serial A Auto PowerDown No default Yes Serial B Enable allows serial port B to be turned off if not used freeing its I O space and interrupt The default setting of this parameter is determined by the serial configuration jumpers Serial B Enable Yes No The serial B port can be set to eight different addresses The default setting of this parameter is determined by the serial configuration jumpers Serial B Address 3F8 2178 220 228 238 2138 338 3E8 The serial ports interrupt can be routed to IRQ3 10 or IRQ 4 11 The 3
10. nal mode that includes a 16 byte FIFO to further improve transfer rates The ECP mode cannot be selected with the setup utility but is enabled by a ECP aware driver PARAMETER PARAMETER VALUES PP Mode ISA Compatible default PS 2 Compatible EPP ECP The PP FIFO Threshold parameter determines how many data bytes must be in the parallel port FIFO to cause an interrupt This parameter only affects the ECP parallel port mode When set for 1 FOR 15 REV interrupts will be generated once per output byte like a standard parallel port but only when 15 input bytes have been received When set for 8 FOR 8 REV interrupts will be generated when 8 bytes have been received or 8 bytes locations are available for output PP FIFO Threshold 1 For 15 Rev 8 For 8 Rev The PP Direct Powerdown parameter allows the parallel port to be powered down when not used PP Direct Powerdown No default Yes The parallel port logic can be programmed to automatically power down when not used this is done with PP Auto Powerdown PP Auto Powerdown No default Yes Page 15 4126B USER S MANUAL SOFTWARE CONFIGURATION 4126UTIL Serial A Enable allows serial port A to be turned off if not used freeing its I O space and interrupt The default setting of this parameter is determined by the serial configuration jumpers PARAMETER PARAMETER VALUES Serial A Enable Yes No The serial A port can be set to eight different addresses The default setting o
11. rts and reguire special software inthe interrupt service routine to determine the interrupt source SERIAL INTERRUPT OPTIONS The two serial port interrupts can be routed to alternate interrupts if desired The interrupt called 3 10 in the preceding table can be routed to IRQ3 or IRQ10 This selection is made with W9 When W9 is in the up position IRQ10 is selected when down IRQ3 is selected Similarly when W10 is in the up position the 4 11 interrupt is routed to IRQ11 when down IRQ4 is selected Page 8 4126B USER S MANUAL HARDWARE CONFIGURATION PARALLEL CONFIGURATION Jumpers W5 and W6 determine the initial parallel port location Other parallel port options must be set by software W5 down down up up W6 down up down up PORT LOCATION IRQ disabled 378 IRQ7 278 IRQ5 3BC IRQ7 FLOPPY IDE CONFIGURATION Jumpers W7 and W8 determine the initial floppy controller and IDE interface settings W7 down down up up ws down up down up FLOPPY IDE disabled disabled primary 3F6 disabled secondary 370 secondary 170 primary 3F6 primary 1F0 Page 9 4126B USER S MANUAL CONNECTORS GENERAL The 4126 connectors are marked with a white square at the pin one end of the connector When installing cables this sguare should be aligned with the colored stripe on the flat cable Center polarized connectors can be used on the right angle 1 headers if more positive
12. ry The floppy logic can be turned off if not used to conserve power This is done with FDC Direct Powerdown FDC Direct Powerdown No default Yes The floppy logic can be programmed to automatically power down when not used This is done with FDC Auto Powerdown FDC Auto Powerdown No default Yes The parallel port can be enabeled or disabled with this parameter The default setting of this parameter is determined by the parallel configuration jumpers PP Enable Yes No The PP Address parameter selects the location of the parallel port The default setting of this parameter is determined by the parallel configuration jumpers PP Address 378 278 3BC Page 14 4126B USER S MANUAL SOFTWARE CONFIGURATION 4126UTIL The PP Mode parameter selects the basic operating mode of the parallel port The default power up state is ISA Compatible This is the standard output only printer port mode The PS 2 Compatible mode is the simple bidirectional mode When set to the PS 2 Compatible mode bit 5 of the printer control port determines the signal direction on the printer data lines A low on bit 5 sets the lines to the output direction ahigh on bit 5 sets the data lines to the input direction The EPP mode is a more sophisticated bi directional configuration designed for interfaceing with parallel port peripherals The EPP mode has hardware handshaking to improve data transfer rates The ECP is another sophisticated bidirectio
13. save the current setup options The configuration file is an ASCII file containing the configuration parameters The 4126 distribution disk has two example configuration files COMSCOM6 CFG and STANDARD CFG You can use these files as a starting point to creating your own configuration files The format of the configuration file is very simple each line of the configuration file consists of a parameter name followed by a parameter value If a parameter name is not specified in the configuration file that parameter will not be changed Any line starting with a semicolonis aregarded as a comment The parameter names and parameter values are as follows The Clock Off parameter can be used to disable the clock to all serial parallel and floppy I O logic to save power Enabling this option will disable the 4126 card PARAMETER PARAMETER VALUES Clock Off No default Yes Page 13 4126B USER S MANUAL SOFTWARE CONFIGURATION 4126UTIL The FDC Enable option can be used to change the floppy controller enable status from the hardware configured status The default setting of this parameter is determined by the floppy IDE configuration jumpers PARAMETER PARAMETER VALUES FDC Enable Yes No The floppy controller on the 4126 can be set to the Primary address 3F0 3F7 or an alternate Secondary address 370 377 The default setting of this parameter is determined by the floppy IDE configuration jumpers FDC Address Primary Seconda
14. sfaction that the product was defective The warrantor may at its option replace the product in lieu ofrepair With regard to any product returned within 2 years ofpurchase said repairs or replacement will be made without charge If the failure has been caused by misuse neglect accident or abnormal conditions ofoperation repairs will be billed at a nominal cost CT THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS OR ADEOUACY FOR ANY PARTICULAR PURPOSE OR USE MESA ELECTRONICS SHALL NOT BELIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEOUENTIAL DAMAGES WHETHER IN CONTRACT TORT OR OTHERWISE If any failure occurs the following steps should be taken 1 Notify Mesa Electronics giving full details of the difficulty On receipt of this information service data or shipping instructions will be forwarded to you 2 On receipt of the shipping instructions forward the product in its original protective packaging transportation prepaid to Mesa Electronics Repairs willbe made at Mesa Electronics and the product returned transportation prepaid Page 21 4126B USER S MANUAL REFERENCE INFORMATION Page 22 4126B USER S MANUAL REFERENCE INFORMATION SCHEMATICS Page 23
15. tection diodes pull down the floppy interface lines including drive select and write gate If you have a separate floppy power supply make sure to open the floppy door before powering down Page 12 4126B USER S MANUAL SOFTWARE CONFIGURATION GENERAL The 4126 has many setup options that can be programmed after the system has started up A much wider range of options is available with this software setup than can be selected by the jumpers These setting are volatile and will revert to the jumper selected default settings at power up or hardware reset If you need to select an option that can not be selected via jumpers a setup utility program is supplied The setup utility can be run as part of your AUTOEXEC BAT file 4126UTIL 4126 is a utility program for reading and setting 4126 options 4I26UTIL is invoked with two command line parameters a function code and a configuration file name or group name The function code can be either S for Set or R for Read 4I26UTIL STANDARD CFG To set 4126 parameters with parameters in STANDARD CFG 4I26UTIL GROUP To read 4126 parameters optional group limits printed data 4I26UTIL gt MYOWN CFG To save current 4126 parameters in file When S is specified 4126UTIL changes the current 4126 settings to those specified in a configuration file When R is used 4126UTIL prints out the current 4126 configuration The output of 4 26UTIL can be re directed to a file to
16. the IDE interface is not terminated and long cables are known to cause problems with any IDE controller drive combination A maximum cable length of 18 is reasonable LED CONNECTOR Two pin connector P2 can drive a disk activity LED Pin one the upper pin connects to the LED cathode POWER CONNECTOR A 4 pin inline connector is available to supply 5V power to hard or floppy drives This connector is labled P3 12V power is not available at P2 The suggested mating connector is AMP MTA type connector 641190 4 non feedthrough or 641198 feedthrough The pinout is compatible with 5V only 3 5 floppy drive power connectors Power connector pinout is as follows PIN SIGNAL CURRENT RATING 1 5V 1A 2 GND 1A 3 GND 1A 4 NC XX FLOPPY CONNECTOR Connector P6 is the floppy connector P6 is a 34 pin dual row 1 header The 4126 uses standard PC type floppy cables with the twist in the cable for drive A Make sure that you have the pin one end of the cable usually marked with a colored stripe oriented towards one on P6 If the cable is installed backwards you will destroy any information on diskettes inserted into the floppy drive The floppy controller chips used on the 4126 have protection diodes built into all I O pins These diodes can cause a problem ifa floppy drive is powered by a different power supply than the 4126 The problem occurs if the 4126 power is removed when the floppy power is still on In this case the pro
17. the same pin out as a standard IBM type parallel port The pin 26 wire from the flat cable must be removed before installing the 25 pin D connector P8 parallel port pinout is as follows ISA Standard and PS 2 modes only HEADER PIN O 71D RON a O IN NN IN N e pi pi pi pi Ru TO 4 vu KOR DSUB PIN SIGNAL 1 PSTB 14 PAFD 2 PDO 15 PERROR 3 PD1 16 PINIT 4 PD2 17 PSLIN 5 PD3 18 GND 6 PD4 19 GND 7 PD5 20 GND 8 PD6 21 GND 9 PD7 22 GND 10 PACK 23 GND 11 PBUSY 24 GND 12 PPE 25 GND 13 PSLCT NC 5V Page 11 FUNCTION Strobe out Auto LF out Data0 Printer error in Data 1 Reset printer out Data2 Select printer out Data 3 Ground Data4 Ground Data 5 Ground Data 6 Ground Data 7 Ground Printer Ack in Ground Data in 1n Ground Paperout in Ground Printer selected in Key 4126B USER S MANUAL CONNECTORS IDE CONNECTORS The 4126 has both 1 40 pin and 2mm 44 pin IDE drive connectors These connectors are labled P1 and P4 The 2MM connector is for use with 2 5 drives The 2mm connector supplies power to the drive so when 2 5 drives are used no additional power cable is needed Pin 20 is removed from both connectors to prevent backwards cable installation It is suggested that minimum IDE cable lengths be used as there is no error checking on the IDE cable
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