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46    SBC-350A User's Manual

Summary of Contents for SBC-350A

Page 1: ...SBC 350A Half size All In One 386SX 40 CPU Card ...

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Page 3: ... reliable However the original company assumes no responsibility for its use nor for any infringements upon the rights of third parties which may result from its use Acknowledgments The following references are the property of ALI is a trademark of ACER Labs Inc AMD is a trademark of Advanced Micro Devices Inc AMI is a trademark of American Megatrends Inc IBM and PC are trademarks of International...

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Page 5: ...J4 J5 8 Display type J6 8 Card dimensions 9 Chapter 2 Installation 11 Initial inspection 12 Chapter 3 Connecting peripherals 15 SBC 350A Card connectors 16 Floppy drive connections CN4 16 IDE hard drive connections CN3 17 Parallel port CN5 18 Keyboard connectors CN6 CN12 18 External switches and indicators 19 Reset switch J1 19 Power LED and keylock CN1 19 Hard disk drive LED CN2 19 SBC power conn...

Page 6: ...ard CMOS setup 29 Advanced CMOS setup 32 Advanced CHIPSET setup 35 Auto configuration with BIOS defaults 36 Auto configuration with power on defaults 36 Auto detect hard disk 36 Hard disk utility 36 Write to CMOS and exit do not exit 36 Appendix A Programming the watchdog timer 37 Introduction 38 Programming 38 Demo program 39 Appendix B Upgrading 41 Installing DRAM SIMMs 42 CPU upgrading 43 Insta...

Page 7: ...es background informa tion on the SBC 350A It then shows you how to configure the card to match your application and prepare it for installation into your PC Sections include Card specifications Locating components Safety precautions Configuration Jumper settings C H A P T E R ...

Page 8: ...es up to 140o F 60o C We designed the SBC 350A with SBC Single Board Computer applications in mind It also incorporates a connector for PC 104 modules Flat panel CRT VGA controller or Flash RAM ROM disk Built using CMOS technology the SBC 350A consumes very little power Its four SIMM Single In line Memory Module DRAM sockets accept 256 KB 1 MB or 4 MB SIMM modules for total on board memory of 1 to...

Page 9: ...p and quartz oscillator powered by a lithium battery for 10 years of data retention åMemory RAM memory 1 MB to 16 MB Uses 256Kx9 SIMM 256 7 1Mx9 SIMM 1000 7 or 4Mx9 SIMM 4000 7 SIMMs with access time of 70 nsec or less Shadow RAM memory Support for system and video BIOS of up to 256 KB in 32 KB blocks åI O IDE hard disk drive interface Supports up to two IDE AT bus hard disk drives Can be enabled ...

Page 10: ...nector for optional PC 104 modules such as a Flash RAM ROM disk module and or Flat panel CRT VGA module Keyboard connectors A 6 pin mini DIN keyboard connector is located on the mounting bracket for easy access An external keyboard adapter is also included An on board keyboard pin header connector is also available åGeneral Max power required 5 V 1 2 A Power supply voltage 5 V 4 75 V to 5 25 V 12 ...

Page 11: ...86SX 40 REV A1 SMC FDC37C665 ODIN O E C 1 2 C 8 8 7 ALI M1217 14 318 24MHz MAX211 MAX211 T M AMIKEY 2 A M E R I C A N M E G A T R E N D S AMIBIOS 3 8 6 S X B I O S ADVRNCED MICRO DEVICES Am386TM SX 40 CN9 J6 COM1 COM2 CN12 CN6 CN7 8 CN13 J5 4 3 2 SIMM Sockets CN2 SBC 350A PCB Layout ...

Page 12: ...1 Reset switch 19 J2 3 4 5 CPU clock and AT clock select 8 J6 Display type mono color 8 CN1 Power LED and Keylock 19 CN2 Hard disk driver activity LED 19 CN3 HDD connector 17 CN4 FDD connector 16 CN5 Parallel printer connector 18 CN6 Keyboard connector 18 CN7 8 PC 104 expansion connector 43 CN9 SBC Power connector 20 CN10 COM1 RS 232 serial port 20 CN11 COM2 RS 232 serial port 20 CN12 Keyboard con...

Page 13: ... discharges and fields Keep the card in its anti static packaging when it is not installed in the PC and place it on a static dissipative mat when you are working on it Wear a grounding wrist strap for continuous protection Jumper settings This section tells how to set the jumpers to configure your card It gives the card default configuration and your options for each jumper After you set the jump...

Page 14: ...nd pair of needle nose pliers useful for setting the jumpers If you have any doubts about the best hardware configuration for your application contact your local distributor or sales representative before you make any changes CPU clock and AT clock select J2 J3 J4 J5 J2 J3 J4 and J5 are used to adjust the CPU clock and AT clock Set the CPU clock according to the base CPU speed The default setting ...

Page 15: ...Chapter 1 Hardware Configuration 9 Card Dimensions Unit mm PC 104 Module 185 00 178 00 98 50 122 00 80 65 73 66 26 00 19 00 19 50 D 4 x 4 ...

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Page 17: ...1 2 Installation This chapter gives a general procedure for installing your CPU card into an PC chassis with an AT compatible passive backplane For specific instructions consult the user s manual for your chassis C H A P T E R ...

Page 18: ...e we shipped it It should be free of marks and scratches and in perfect working order on receipt As you unpack the SBC 350A check it for signs of shipping damage damaged box scratches dents etc If it is damaged or it fails to meet specifications notify our service department or your local sales representative immediately Also notify the carrier Retain the shipping carton and packing material for i...

Page 19: ...over then detach the card hold down bracket This bracket stretches across the top of each circuit card to hold it securely in place 3 Locate a free slot in the chassis You can use any 16 bit double connector slot We suggest that you leave the maximum amount of space between boards to improve cooling 4 You may need to remove a block off cover at the end of the slot Unscrew the cover and save the sc...

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Page 21: ...rs to the SBC 350A board You can access most of the connectors from at the top of the board while it is installed in the chassis If you have a number of cards installed or your chassis is very tight you may need to partially remove the card to make all the connections When everything is done finish installing the card as described in Chapter 2 ...

Page 22: ...s tell how to make each connection In most cases you will simply need to connect a standard cable Floppy drive connections CN4 You can attach up to two floppy disk drives to the SBC 350A s on board controller You can use any combination of 5 25 360 KB and 1 2 MB and or 3 5 720 KB 1 44 MB and 2 88 MB drives The card comes with a 34 pin daisy chain drive connector cable On one end of the cable is a ...

Page 23: ...e right Check the documentation that came with the drive for more information Next if you desire connect the B floppy drive to the connectors in the middle of the cable as described above IDE hard drive connections CN3 You can attach two IDE Integrated Device Electronics hard disk drives to the SBC 350A internal controller The card comes with a 40 pin flat cable piggyback cable This cable has thre...

Page 24: ...or The cable has a 26 pin connector on one end and a DB 25 connector on the other mounted on a retaining bracket The bracket installs at the end of an empty slot in your chassis giving you access to the connector To install the bracket find an empty slot in your chassis Unscrew the plate that covers the end of the slot Screw in the bracket in place of the plate Next attach the flat cable connector...

Page 25: ...ate when the CPU card is on Pin 1 of CN1 supplies power to the LED and Pin 3 is the ground For help finding CN1 see the figure on page 5 You can use a switch or a lock to disable the keyboard In this state the PC will not respond to any input This is useful if you don t want anyone to change or stop a running program Simply connect the switch between Pins 4 and 5 of CN1 The pin assign ments for CN...

Page 26: ...compatible serial ports These ports let you connect to serial devices mouse printers modems etc or a communication network You can select the address for each port or disable it through the BIOS Advanced Setup program covered in Chapter 5 The following are the options for both ports Serial Port Setup Options Port Address options COM1 Disable 3F8 3E8 2F8 COM2 Disable 2F8 2E8 3F8 The card mounting b...

Page 27: ...n Assignment Pin no Signal 1 DCD 2 RX 3 TX 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI External speaker connector CN13 If the SBC 350A is installed into an enclosure an external speaker can be connected to CN13 External Speaker Connector CN13 Pin no Signal 1 5 V 2 Speaker out 3 Speaker out 4 Speaker out Now that you have made all the required external connections you can close up your chassis as described ...

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Page 29: ...wer up 2 3 4 Power up After you have set the jumpers Chapter 1 installed SIMMs Appendix B installed the card Chapter 2 and made all external connections Chapter 3 you are ready to power up your system C H A P T E R ...

Page 30: ...rror message on the screen describing the problem If the BIOS found a problem early in the tests you will need to determine the BIOS POST Power On Self Test results by counting beeps or using a POST card The most common source of problems is incorrect jumper settings Double check your settings Chapter 1 and restart the system There are three methods you can use to restart your system after it is t...

Page 31: ...Chapter 5 BIOS diagnostics and setup 25 C H A P T E R 5 BIOS diagnostics and SETUP This chapter describes the card s diagnos tic tests and how to set BIOS configura tion data ...

Page 32: ...SUME Write down the message and press the F1 key to continue the bootup sequence Non fatal error messages appear in Appendix E If the routines encounter a fatal error they will stop the tests and output a message indicating which test failed If the fatal error comes before the screen device initializes the card will indicate the error code through a series of beeps System configuration verificatio...

Page 33: ...run SETUP c American Megatrends Inc xx xxxx xxxxxx xxxxxxx xxxxxx xxxx Power On Self Tests A line of reference codes appears at the bottom left of the screen These codes identify the options installed in the AMI BIOS If you have a problem with your system make a note of these codes before you contact your dealer for technical support To freeze the screen so that you can write down the codes power ...

Page 34: ...hen the current setup session was started These values will be CMOS values if the CMOS was uncorrupted at the start of the session or they will be the BIOS Setup default values F6 Loads all features in the Advanced CMOS Setup with the BIOS Setup defaults F7 Loads all features in the Advanced CMOS Setup with the Power On defaults the values in the CMOS when the system was started F10 Saves all chan...

Page 35: ...then second Uses 24 hour clock format for PM numbers add 12 to the hour you would enter 4 30 p m as 16 30 00 BIOS Setup Program Standard CMOS SETUP C 1993 American Megatrends Inc All Rights Reserved Date mn date year Tue Jan 01 1991 Base memory 640KB Time hour min sec 09 39 06 Ext memory 0KB Daylight Saving Disabled Hard disk C type 47 USER TYPE Cyln Head WPCom LZone Sect Size 642 8 0 0 17 43MB Ha...

Page 36: ...that came with the drive After you have set up drive C you can then set up drive D If you have no drive D select Not Installed Hard Disk Types Type Cyln Head WPcomp LZone Sect Size 1 306 4 128 305 17 10 MB 2 615 4 300 615 17 20 MB 3 615 6 300 615 17 31 MB 4 940 8 512 940 17 62 MB 5 940 6 512 940 17 47 MB 6 615 4 65535 615 17 20 MB 7 462 8 256 511 17 31 MB 8 733 5 65535 733 17 30 MB 9 900 15 65535 ...

Page 37: ...1 MB 38 987 3 987 987 17 25 MB 39 987 7 987 987 17 57 MB 40 820 6 820 820 17 41 MB 41 977 5 977 977 17 41 MB 42 981 5 981 981 17 41 MB 43 830 7 512 830 17 48 MB 44 830 10 65535 830 17 69 MB 45 917 15 65535 918 17 114 MB 46 1224 15 65535 1223 17 152 MB 47 user type Note that the user definition entry 47 lets you a test on a disk drive not defined in ROM The USER definition entry is valid only durin...

Page 38: ...ion of 3 5 720 KB 1 44 MB and 2 88MB and 5 25 360 KB and 1 2 MB floppy disks If you have no floppy disk installed select Not Installed Primary Display Select the type of display you have connected Options are Monochrome Color 40x25 VGA PGA EGA Color 80x25 and Not Installed You might use the Not installed option for a network file server Keyboard Options are Installed or Not Installed Note If you a...

Page 39: ...Delay msec 250 500 default 750 1000 Type Rate Chars sec 6 8 10 12 15 default 20 24 30 Above 1MB Memory Test Disabled default Enabled Memory Test Tick Sound Enabled default Disabled Memory Parity Error Check Enabled default Disabled Hit DEL Message Display Enabled default Disabled Hard Disk Type 47 RAM Area 0 300 default DOS 1KB This setting determines where in memory the hard disk infor mation is ...

Page 40: ... Adapter ROM Shadow Disabled default D800 32K Enabled Adapter ROM Shadow Disabled default E000 32K Enabled Adapter ROM Shadow Disabled default E800 32K Enabled Shadow RAM Option Both default Disabled Video Main The above settings shadow ROMs on plug in cards You will need to know the addresses of the ROMs BootSector Virus Protection Disabled default Enabled IDE Block Mode Transfer Disabled default...

Page 41: ...ts and may result in a system crash or unreliable operation From the main menu highlight the Advanced CHIPSET Setup option and press ENTER Press any key to clear the warning screen Features The following chart lists card settings which you can change in Advanced CHIPSET Setup It lists the default value for each setting This screen has several help screens accessed by pressing the F1 key which disp...

Page 42: ...r incorrect settings Auto Detect Hard Disk This option simplifies the hard disk drive configuration by auto matically configuring the system to your HDD Hard Disk Utility This option lets you perform low level hard disk drive preparation before you use the DOS FDISK or FORMAT utilities All of its functions are destructive to existing data on the disk drive Most IDE hard drives come preformatted fr...

Page 43: ... equipped with a 15 level watchdog timer that resets the CPU if processing comes to a standstill for whatever reason The time out interval is software programmable for periods of 2 to 30 seconds This feature ensures system reliability in industrial stand alone and unmanned environments APPENDIX ...

Page 44: ...r will be interrupted The timer will then automatically reset the CPU and data processing will continue normally Programming You must write your program so that it write to I O port address 443 at an interval shorter than the timer s preset interval The timer s interval has a tolerance of 5 so you should program an instruction that will refresh the timer before a time out occurs The following step...

Page 45: ...d main void unsigned int dog 0 run_time 0 char inkey clrscr gotoxy 15 6 printf AAEON TECHNOLOGY INC gotoxy 15 7 printf WATCHDOG TIMER TEST DEMO PROGRAM gotoxy 15 9 printf Please setup watchdog delay time 2 Sec 30 Sec Set watchdog timer time out interval scanf 2d dog Input watchdog timer time out interval Sec dog dog 2 Convert time out interval to designated Hex dog 15 dog outportb 0x443 dog Enable...

Page 46: ...mer gotoxy 15 11 printf Now disable watchdog timer outportb 0x43 dog break case 3 Disable Watchdog timer return to DOS outportb 0x43 dog return default break mydelay run_time run_time 1 Display time elapsed gotoxy 45 11 printf 2d 1d sec run_time 10 run_time 10 USER FUNCTION LIBRARY void mydelay void Delay program Delay 109 89ms 18 2Hz 2 clock_t start end start clock end start while end start 2 end...

Page 47: ...ix B Upgrading 41 B Upgrading This appendix gives instructions for increasing the capabilities of your CPU card It covers DRAM memory installation SIMMs CPU upgrading Installing PC 104 modules A P P E N D I X ...

Page 48: ...mory size SIMM size and number 1 MB 256 KB x 4 pcs 4 MB 1 MB x 4 pcs 16 MB 4 MB x 4 pcs The procedure for installing SIMMs appears below Please follow these steps carefully 1 Locate the CPU card s memory banks shown in the figure on page 5 2 Install the SIMM cards Install each SIMM so that its chips face away from the CPU and its gold pins point down into the SIMM socket 3 Slip each SIMM into a so...

Page 49: ...ing CPU from the card See Chapter 1 for help locating the CPU position 3 Solder the new CPU onto the SBC 350A Follow the instruc tions that came with the CPU 4 Using a soldering iron not too hot solder the pads CP1 CP2 CP3 CP6 and CP7 open or closed These pads will be open closed depending on the type of CPU installed The following table refers CP Configurations CPU Type CP1 CP2 CP3 CP6 CP7 386SX ...

Page 50: ... attention to the safety instructions already mentioned above Step2 Make any jumper or link changes required to the CPU card now Once the PC 104 module is mounted you may have difficulty in accessing these Step3 Normal PC 104 modules have male connectors and mount directly onto the main card However for reasons that ensure better bus matching the connectors on the SBC 350A and the PC 104 module ar...

Page 51: ...ptor PC 104 Mounting Support Male Female Male Female Male 3 500 3 775 3 575 0 200 0 0 0 200 3 550 3 350 0 200 3 575 3 250 PC 104 Module Mounting Diagram Step5 Secure the PC 104 module onto the CPU card using the four mounting spacers and srews PC 104 module dimensions inches 5 ...

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