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PCChost 1225

Frequently Asked Questions

  1. What is the difference between the PCChost 1200 and the 1225?
  2. Is there any performance improvement with the PCChost 1225 over the PCChost 1200?
  3. Will the PCChost 1225 support 16-bit PC Cards?
  4. Does Sycard maintain a database of systems that will work with the PCChost 1225?
  5. Does Windows 98/ME support the PCChost 1225?
  6. Does Windows 95 support the PCChost 1225?
  7. Does Windows NT 4.0 support the PCChost 1225?
  8. Does Windows 2000 support the PCChost 1225?
  9. Does Windows XP support the PCChost 1225?
  10. Can I upgrade the PCChost 1200 to PCChost 1225?
  11. Is the PCChost 1225 ACPI compliant?
  12. Does the PCChost 1225 support Zoomed Video?
  13. Since the PCI bus supports INTA-INTD, why does the PCChost 1225 require the ISA interrupt routing board?
  14. Do you supply any hardware debug or utility software with the PCChost 1225?
  15. How do I develop a device driver for my Cardbus card?
  16. When I plug a PC Card in, the systems doesn't recognize it, but if I boot-up with the card plugged in, then it works OK. What's wrong?
  17. I'm having trouble installing the PCChost 1225 in a particular computer.
  18. What does the EEPROM on the PCChost 1225 do?
  19. I damaged a pin on the 68-pin connector. Can it be repaired?
  20. I would like to order the 68-pin connector and replace it myself. Do you sell the connector only?
  21. My notebook computer has a TI PCI-1225 chip, can you supply technical support or drivers for my computer?
  1. What is the difference between the PCChost 1200 and the 1225?

    2. The PCChost 1200 is based on Texas Instruments PCI-1220 CardBus controller while the PCChost 1225 is based on the PCI-1225. The PCI-1225 is a improved version of the PCI-1220 chip with lower power and some bug fixes. The PCI-1220 is no longer being manufactured by Texas Instruments. The PCChost 1225 includes an initialization EEPROM that allows it to work in most Windows systems without special drivers.

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  2. Is there any performance improvement with the PCChost 1225 over the PCChost 1200?


    3. No, the PCI-1220 and PCI-1225 chips offers the same transfer rates approaching the maximum PCI bandwidth of 132MBtes/sec.
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  3. Will the PCChost 1225 support 16-bit PC Cards?

    4. Yes, the PCChost 1225 supports both 5V and 3.3V 16-bit PC Cards.

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  4. Sycard maintain a database of systems that will work with the PCChost 1225?

    5. No. Because of the large number of systems and configuration differences in OS, BIOS, and system resources, it is impossible for us to maintain an up-to-date list of systems.

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  5. Does Windows 98/ME support the PCChost 1225?

    6. Yes, all versions of Windows 98 and ME directly supports the TI PCI1225 chip used on the PCChost 1225.

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  6. Does Windows 95 support the PCChost 1225?

    7. Windows 95 does not directly support the PCI1225 chip used on the PCChost 1225.

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  7. Does Windows NT 4.0 support the PCChost 1225?

    8. Windows NT 4.0 does not directly support the PCI1225 chip used on the PCChost 1225. Other software vendors, such as Touchstone/Unicore, SystemSoft or Softex Inc offer support for this chip. See the following links for more information:



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  8. Does Windows 2000 support the PCChost 1225?

    9. Yes, all versions of Windows 2000 support the PCChost 1225.

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  9. Does Windows XP support the PCChost 1225?

    10. Yes, WinXP fully supports the PCChost 1225.

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  10. Can I upgrade the PCChost 1200 to PCChost 1225?

    11. No.

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  11. Is the PCChost 1225 ACPI compliant?

    12. Yes, the PCChost 1225 is fully ACPI compliant.

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  12. Does the PCChost 1225 support Zoomed Video?

    13. Yes, the PCChost supports zoomed video on both slots 0 and 1.

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  13. Since the PCI Bus supports INTA-INTD, why does the PCChost 1225 require the ISA interrupt routing board?

    14. Windows requires the use of ISA-compatible interrupts for 16-bit PC Cards. PCI interrupts are required for CardBus PC Cards.

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  14. Do you supply any hardware debug or utility software with the PCChost 1225?

    15. No. However, Texas Instruments can supply a debug program called PCIBUS.EXE that is designed to directly access the registers on the PCI1225. Contact Sycard or Texas Instruments for information.

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  15. How do I develop a device driver for my CardBus card?

    16. Developing a driver requires a Driver Development kit (DDK). Microsoft supports driver development for all of their OSs through these DDKs. DDKs are also available from third party vendors: Blue Water Systems www.bluewatersystems.com.

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  16. When I plug a PC Card in, the systems doesn't recognize it, but if I boot-up with the card plugged in, then it works OK. What's wrong?

    17. Your status change interrupts are not configured correctly. The CardBus controller issues a hardware interrupt on card insertion and removal. On initial boot-up, if there is a card inserted, the PC Card driver will issue a simulated hardware interrupt to configure the card.

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  17. I'm having trouble installing the PCChost 1225 in a particular computer.

    18. Most installation problems are related to the system BIOS. Unfortunately, other than a BIOS upgrades, there is little that can be done. If the problem persists, try another system. The requirements for the system BIOS can be found on the Microsoft Web site at http://www.microsoft.com/hwdev/bus/cardbus/default.asp

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  18. What does the EEPROM on the PCChost 1225 do?

    19. The on-board EEPROM is used to initialize the PCI1225 CardBus controller for use with various versions of Microsoft Windows. On power-up the EEPROM configures the programmable I/O pins for use with the indicator LEDs, interrupt type and power switch chip (TPS2206).

    1. Enable clock to external voltage switch chip (TPS2206) by setting bit 27 in the System Control register at PCI configuration offset 80H.
    2. Configure multifunction pins for PCChost 1225 by setting the multifunction routing register at PCI configuration space offset 8CH to 1DC7H and offset 8EH to 0007H.
    3. Enable ExCA legacy interrupts by setting bit 7 in the bridge control register at PCI configuration space offset 3EH.
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  19. I damaged a pin on the 68-pin connector. Can it be repaired?

    20. Sycard offers a fixed price repair service to replace damaged connectors. Contact Sycard Technology at 408-749-0130 for pricing and leadtime.

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  20. I would like to order the 68-pin connector and replace it myself. Do you sell the connector only?

    21. Sycard does not sell the connector directly. However, it can be obtained from AMP or one of AMP's distributors. The AMP part number is 146321-1.

  21. My notebook computer has a TI PCI-1225 chip, can you supply technical support or drivers for my computer?

    22. No. You will need to contact your notebook computer vendor for support.

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Updated February 14, 2005

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