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PCA-6275 Pentium ® II processor-based PCI/ISA-bus CPU card.
ii Copyright notice This document is copyrighted, 1999, by Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right to make improvements to the products described in this manual at any time without notice.
iii A Message to the Customer Advantech customer services Each and every Advantech product is built to the most exacting specifications to ensure reliable performance in the harsh and demanding conditions typical of industrial environments.
iv Product warranty Advantech warrants to you, the original purchaser , that each of its products will be free from defects in materials and workmanship for one year from the date of purchase.
v Initial Inspection Before you begin installing your card, please make sure that the following materials have been shipped: • 1 PCA-6275 Dual Pentium ® II single board computer • 2 Pentium II CP.
vi Contents Chapter 1 Hardware Configuration .............................. 1 1.1 Introduction ........................................................................ 2 1.2 Features ....................................................................
vii 2.5 A TX Power Control Connectors (CN6 and J3) ............. 26 2.5.1 A TX feature connector (CN6) and soft power switch connector (J3) ............................................................. 26 2.5.2 Controlling the soft power switch ......
viii 3.4.1 1 PCI/VGA Palette Snoop .......................................... 37 3.4.12 OS Select for DRAM > 64 MB ............................... 37 3.4.13 V ideo BIOS Shadow ............................................... 37 3.4.14 C8000-CBFFF Shadow / DC000-DFFFF Shadow .
ix B.3 External Keyboard Connector (CN17) .......................... 64 B.4 A TX Feature Connector (CN6) ....................................... 65 B.5 IDE Hard Drive Connector (CN1, CN2) ........................ 65 B.6 USB Connector (CN4) ...........
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Hardware Configuration This chapter gives background information on the PCA-6275. It then shows you how to configure the card to match your application and prepare it for installation into your PC.
2 PCA-6275 User's Manual 1.1 Introduction The PCA-6275 industrial grade CPU card uses two of Intel's highly acclaimed Pentium ® II processors, together with the Intel 440BX PCI chipset. The card works with standard ISA or PCI/ISA-bus passive backplanes.
Chapter 1 Hardware Configuration 3 1.2 Features • Intel slot 1architecture • Dual Pentium ® II processors up to 500 MHz • Intel 82440BX PCIset, FSB 66/100 MHz • Three DIMM sockets to support .
4 PCA-6275 User's Manual 1.3 Specifications System • CPU : Intel Pentium ® II up to 500 MHz • BIOS : A ward Flash BIOS, 2 Mbit • Green function : Supports power management operation via BIOS.
Chapter 1 Hardware Configuration 5 • Serial ports : T wo RS-232 ports with 16C550 UAR T s (or compatible) with 16-byte FIFO buffer . Supports speeds up to 1 15.
6 PCA-6275 User's Manual 1.4 Board Layout: Main Features A TX power control connector Bi-directional parallel port Accommodates three DIMM modules, up to 768 MB Intel Pentium ® II processor up t.
Chapter 1 Hardware Configuration 7 1.5 Jumpers and Connectors Connectors on the PCA-6275 board link it to external devices such as hard disk drives and a keyboard. In addition, the board has a number of jumpers used to configure your system for your application.
8 PCA-6275 User's Manual T able 1-2: Connectors Label Function CN1 Primary IDE connector CN2 Secondary IDE connector CN3 Infrared (IR) connector CN4 USB port CN5 Parallel port CN6 A TX feature co.
Chapter 1 Hardware Configuration 9 1.6 Board Layout: Jumper and Connector Locations Figure 1-1: Board layout: jumper and connecter locations DI MM3 DI MM2 DI MM1 CN 2 CN 1 CN 8 CN 7 CN 3 CN 4 CN 15 CN.
10 PCA-6275 User's Manual 1.7 Safety Precautions W arning! Alwa ys completely disconnect the power cord from your chassis whene v er y ou work with the hardware. Do not make connections while the po wer is on. Sensitive electronic components can be damaged by sudden po wer surges .
Chapter 1 Hardware Configuration 11 1.8 Jumper Settings This section provides instructions on how to configure your card by setting jumpers. It also includes the card's default settings and your options for each jumper . 1.8.1 How to set jumpers Y ou configure your card to match the needs of your application by setting jumpers.
12 PCA-6275 User's Manual T able 1-3: CPU core frequency (J1) 1-2 3-4 5-6 233 MHz closed closed closed 266 MHz open open open 300 MHz open open closed 333 MHz open closed open 350 MHz closed clos.
Chapter 1 Hardware Configuration 13 1.8.3 Watchdog timer output (J2) The PCA-6275 contains a watchdog timer that will reset the CPU or send a signal to IRQ11 in the event the CPU stops processing. This feature means the PCA-6275 will recover from a software failure or an EMI problem.
14 PCA-6275 User's Manual 1 . 9 System Memory The top-left edge of the PCA-6275 contains three sockets for 168-pin dual inline memory modules (DIMMs). All three sockets use 3.3 V unbuffered synchronous DRAMs (SDRAM). DIMMs are available in capacities of 16, 32, 64, 128, or 256 MB.
Chapter 1 Hardware Configuration 15 1.9.2 Supplementary information about DIMMs Your PCA-6275 can accept SDRAM memory chips (with or without parity). Also note: • If the PCA-6275 operates at 100 MHz, only use PC100- compliant DIMMs. Most systems will not even boot if non- compliant modules are used.
16 PCA-6275 User's Manual 1.10 Memory Installation Procedures To install DIMMs, first make sure the two handles of the DIMM socket are in the "open" position. i.e. The handles remain outward. Slowly slide the DIMM module along the plastic guides on both ends of the socket.
Chapter 1 Hardware Configuration 17 1.11 Cache Memory Since the second level cache has been embedded into the Pentium ® II CPU, you do not have to take care of either SRAM chips or SRAM modules. The built-in second level cache in the Pentium II yields much higher performance than the external cache memories.
18 PCA-6275 User's Manual 1.12 Mounting the CPU and Cooling Modules The Pentium ® II is a module-type CPU which runs at high speeds, for example 450 MHz, so the cooling mechanism becomes critical for system reliability. There are two types of cooling methods.
Chapter 1 Hardware Configuration 19 Figure 1-4: Mounting CPU and cooling modules - Step 2 Step 2.
20 PCA-6275 User's Manual Figure 1-5: Mounting CPU and cooling modules - Step 3 Step 3.
Chapter 1 Hardware Configuration 21 1.13 On-board Support Bracket Advantech's PCA-6275 Pentium ® II also includes an on- board metal bracket to provide balanced support for the Pentium II processor cartridge.
22 PCA-6275 User's Manual.
Connecting Peripherals This chapter tells how to connect peripherals, switches and indicators to the PCA-6275 board. Y ou can access most of the connectors from the top of the board while it is installed in the chassis.
24 PCA-6275 User's Manual 2.1 Primary (CN1) and Secondary (CN2) IDE Connectors Y ou can attach up to four IDE (Integrated Device Electronics) drives to the PCA-6275’ s internal controller . The primary (CN1) and secondary (CN2) connectors can each accommodate two drives.
Chapter 2 Connecting Peripherals 25 2.3 USB Connector (CN4) The PCA-6275 CPU card provides one USB (Universal Serial Bus) interface, which give complete plug and play , hot attach/detach for up to 127 external devices.The USB interface complies with USB Specification Rev .
26 PCA-6275 User's Manual 2.5 A TX Power Control Connectors (CN6 and J3) 2.5.1 A TX feature connector (CN6) and soft power switch connector (J3) The PCA-6275 can support an advanced soft power switch function if an A TX power supply is used. T o enable the soft power switch function: 1.
Chapter 2 Connecting Peripherals 27 2.6 Floppy Drive Connector (CN7) Y ou can attach up to two floppy disk drives to the PCA-6275's on-board controller . Y ou can use any combination of 5.25" (360 KB/1.2 MB) and/or 3.5" (720 KB/1.44/2.88 MB) drives.
28 PCA-6275 User's Manual 2.8 Front Panel Connectors (CN10, CN1 1, CN12, CN13 and J3) There are several external switches to monitor and control the PCA-6275. 2.8.1 External speaker (CN10) CN10 is a 4-pin connector for an extenal speaker connection.
Chapter 2 Connecting Peripherals 29 2.9 External Suspend Switch Lead (SMI) (CN14) This allows the user to manually place the system into a suspend mode or "Green" mode when the system is not in use. System activity is decreased to save electricity and prolong the life of certain components.
30 PCA-6275 User's Manual 2.1 1 External Keyboard Connector (CN17) In addition to the keyboard connector on the PCA-6275's rear plate, there is also an extra on-board external keyboard connector . This gives system integrators greater flexibility in designing their systems.
Award BIOS Setup This chapter describes how to set the card’ s BIOS configuration data. CHAPTER 3.
32 PCA-6275 User's Manual 3.1 Introduction A ward’ s BIOS ROM has a built-in setup program that allows users to modify the basic system configuration. This type of information is stored in battery-backed RAM so that it retains the setup information when the power is turned off.
Chapter 3 Award BIOS Setup 33 3.3 Standard CMOS Setup Choose the “ST ANDARD CMOS SETUP” option from the "INITIAL SETUP SCREEN" menu, and the screen below will be displayed. This standard setup menu allows users to configure system components such as date, time, hard disk drive, floppy drive, display , and memory .
34 PCA-6275 User's Manual 3.4 BIOS Features Setup The “BIOS FEA TURES SETUP” screen appears when choosing the "BIOS FEA TURES SETUP" item from the "CMOS SETUP UTILITY" menu. It allows the user to configure the PCA-6275 according to his particular requirements.
Chapter 3 Award BIOS Setup 35 3.4.2 Quick Power On Self T est This option speeds up the Power-On Self T est (POST) conducted as soon as the computer is turned on. When enabled, BIOS shortens or skips some of the items during the test. When disabled, the computer conducts normal POST procedures.
36 PCA-6275 User's Manual 3.4.5 Boot Up NumLock Status The default is “On”. On Keypad boots up to number keys. Of f Keypad boots up to arrow keys. 3.4.6 Gate A20 Option Normal The A20 signal is controlled by the keyboard controller or chipset hardware.
Chapter 3 Award BIOS Setup 37 Note: T o disable security , select "P ASSWORD SETTING" in the main menu. At this point, you will be ask ed to enter a pass w ord. Simply press <Enter> to disable security . When security is disabled, the system will boot, and you can enter Setup freely .
38 PCA-6275 User's Manual 3.5 Chipset Features Setup By choosing the “CHIPSET FEA TURES SETUP” option from the INITIAL SETUP SCREEN menu, the screen below will be displayed. This sample screen contains the manufacturer ’ s default values for the PCA-6275.
Chapter 3 Award BIOS Setup 39 3.6 Power Management Setup The power management setup controls the CPU card's “green” features. The following screen shows the manufacturer ’ s defaults.
40 PCA-6275 User's Manual 3.6.3 Soft-Off by PWR-BTTN If you choose "Instant-Off", then pushing the A TX soft power switch button once will switch the system to "system off" power mode, whereas pushing the button again will put the system in "system on" mode.
Chapter 3 Award BIOS Setup 41 3.7.1 IRQ-xx assigned to : PCI/ISA PnP These fields indicate whether or not the displayed IRQ for each field is being used by a legacy (non-PnP) card.
42 PCA-6275 User's Manual 3.8 Load BIOS Defaults “Load BIOS Defaults” indicates the most appropriate values for the system parameters for stability . These default values are loaded automatically if the stored record created by the setup program becomes corrupted (and therefore unusable).
Chapter 3 Award BIOS Setup 43 3.1 1 Password Setting T o change the password: 1. Choose the "P ASSWORD SETTING" option from the Setup main menu and press <Enter>.
44 PCA-6275 User's Manual 3.13 Save & Exit Setup If you select this and press <Enter>, the values entered in the setup utilities will be recorded in the CMOS memory of the chipset. The microprocessor will check this every time you turn your system on and compare this to what it finds as it checks the system.
On-board Security Setup This chapter explains OBS concepts and provides instructions for installing the relevant software drivers. This is done using the OBS driver disks included in your PCA-6275 package.
46 PCA-6275 User's Manual 4.1 Introduction On-board security (OBS) functions monitor key hardware. They help you maintain your system's stability and durability . The PCA-6275 can monitor 5 sets of system positive voltages, 2 sets of system negative voltages, CPU cooling fan speed, and CPU temperature.
Chapter 4 On-board Security Setup 47 4.3 Driver Installation 4.3.1 Necessary prerequisites The instructions in this manual assume that you understand elementary concepts of MS-DOS and the IBM personal computer .
48 PCA-6275 User's Manual 4.3.3 Windows 95 drivers setup procedure 1. Insert the OBS driver disk into drive A:. T ype: A:setup.exe Press <Enter> to run the driver SETUP program.
Chapter 4 On-board Security Setup 49 2. If your operating system is W in95, you will see the following screen images after running the driver . Y ou must then reboot your system, start the procedure from Step 1 again, and then proceed directly to Step 3.
50 PCA-6275 User's Manual Figure 4-3: Restarting Windows.
Chapter 4 On-board Security Setup 51 3. Follow the screen instructions to install the software. Figure 4-4: Hardware Doctor setup - installation screen.
52 PCA-6275 User's Manual 4. Complete the setup. Figure 4-5: Hardware Doctor setup - completion screen.
Chapter 4 On-board Security Setup 53 5. Using your file manager , click on "Hardware Doctor" in drive C:, and then click on "W83781".
54 PCA-6275 User's Manual 6. It is recommended that you load the default values for all the OBS settings. However , if desired, you can establish new conditions for voltage, fan speed and temperature.
Chapter 4 On-board Security Setup 55 7. "W inbond Hardware Doctor" will show an icon on the right side of the bottom window bar . This icon is the "T erminate and Stay Resident" (TSR) icon. It will permanently remain in the bottom window bar , and will activate warning signals when triggered by the on-board security system.
56 PCA-6275 User's Manual 8. Click on "Setting", then "Monitoring Config." While enabling each OBS function, you can choose "Faults 1". This will result in a warning message being delivered as soon as any monitored reading exceeds safe limits for the first time.
Chapter 4 On-board Security Setup 57 9. After completing the setup, all the OBS functions are permanently enabled. When a monitored reading exceeds safe limits, a warning message will be displayed and an error beep tone will activate to attract your attention.
58 PCA-6275 User's Manual.
Programming the W atchdog Timer The PCA-6275 is equipped with a watchdog timer that resets the CPU or generates an interrupt if processing comes to a standstill for any reason. This feature ensures system reliability in industrial standalone or unmanned environments.
60 PCA-6275 User's Manual A.1 Programming the W atchdog Timer T o program the watchdog timer, you must write a program which writes I/O port address 443 (hex). The output data is a time interval value. The value range is from 01 (hex) to 3F (hex), and the related time interval is 1 sec.
Appendix A Programming the Watchdog Timer 61 After data entry , your program must refresh the watchdog timer by rewriting I/O port 443 (hex) while simultaneously setting it. When you want to disable the watchdog timer , your program should read I/O port 443 (hex).
62 PCA-6275 User's Manual.
Pin Assignments This appendix contains information of a detailed or specialized nature. It includes: • COM1/COM2 RS-232 serial port • Keyboard and mouse connector • External keyboard connector .
64 PCA-6275 User's Manual B.1 COM1/COM2 RS-232 Serial Port (CN15, CN16) T able B-1: COM1/COM2 RS-232 serial port (CN15, CN16) Pin Signal 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7R T S 8 CTS 9R I B.
Appendix B Pin Assignments 65 B.4 A TX Feature Connector (CN6) T able B-4: A TX feature connector (CN6) Pin Signal 1 5VSB 2 VCC 3 PS-ON B.5 IDE Hard Drive Connector (CN1, CN2) T able B-5: IDE hard dri.
66 PCA-6275 User's Manual B.6 USB Connector (CN4) T able B-6: USB1/USB2 connector (CN4) Pin USB1 Signal Pin USB2 Signal 1 +5 V 2 +5 V 3 UV- 4 UV- 5 UV+ 6 UV+ 7 GND 8 GND 9 Chassis GND 10 Key B.
Appendix B Pin Assignments 67 B.8 Floppy Drive Connector (CN7) T able B-8: Floppy drive connector (CN7) Pin Signal Pin Signal 1 GND 2 DENSITY SELECT* 3 GND 4 N/C 5 GND 6 N/C 7 GND 8 INDEX* 9 GND 10 MO.
68 PCA-6275 User's Manual B.9 Parallel Port Connector (CN5) T able B-9: Parallel port connector (CN5) Pin Signal 1 STROBE 2 AUTOFD 3D 0 4 ERR 5D 1 6 INIT 7D 2 8 SLCTINI 9D 3 10 GND 11 D 4 12 GND 13 D5 14 GND 15 D6 16 GND 17 D7 18 GND 19 ACK 20 GND 21 BUSY 22 GND 23 PE 24 GND 25 SLCT 26 N/C 13 12 .
Appendix B Pin Assignments 69 B.10 IR Connector (CN3) T able B-10: IR connector (CN3) Pin Signal 1 +5 V 2 N/C 3 IR_RX 4 GND 5 IR_TX B.1 1 HDD LED Connector (CN12) T able B-1 1: HDD LED connector (CN12) Pin Signal 1V CC 2 LED B.12 Power LED and Keylock Connector (CN1 1) Y ou can use an LED to indicate when the CPU card is on.
70 PCA-6275 User's Manual B.13 External Speaker (CN10) The CPU card has its own buzzer . Y ou can also connect it to the external speaker on your computer chassis.
Appendix B Pin Assignments 71 B.14 System I/O Ports T able B-14: System I/O ports Addr . range (Hex) Device 000-01F DMA controller 020-021 Interrupt controller 1, master 022-023 Chipset address 040-05.
72 PCA-6275 User's Manual B.15 DMA Channel Assignments T able B-15: DMA channel assignments Channel Function 1 Available 2 Floppy disk (8-bit transfer) 3 Available 4 Cascade for DMA controller 1 5 Available 6 Available 7 Available B.
Appendix B Pin Assignments 73 B.17 1st MB Memory Map T able B-17:1st MB memory map Addr . range (Hex) Device F0000h - FFFFFh System ROM C8000h - EFFFFh Unused C0000h - C7FFFh VGA BIOS B8000h - BFFFFh .
74 PCA-6275 User's Manual.
Een belangrijk punt na aankoop van elk apparaat Advantech PCA-6275 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Advantech PCA-6275 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Advantech PCA-6275 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Advantech PCA-6275 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Advantech PCA-6275 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Advantech PCA-6275 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Advantech PCA-6275 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Advantech PCA-6275 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
