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PCIC3EO Driver FAQ

What is PCIC3E0?

How does PCIC3E0 work?

How do I install PCIC3E0?

Can I use CardBus Cards in DOS with DOS Card & Socket Services?

Can PCIC3E0 be installed in Windows 9x?

Will I be able to use PCIC3E0 in MSDOS mode from Windows 9x?

Can I use PCIC3E0 in Windows NT4/2000?


What is PCIC3E0?

The PCIC3E0 driver converts your laptopís CardBus controller into the "industry standard" Intel 82365SL PC Card Interface Controller (PCIC). DOS Card & Socket Services drivers look for PC-Card controllers at IO address 0x03E0 (hence the name PCIC3E0!). The CardBus controllerís registers are mapped by PCIC3E0 to the 0x03E0 IO address and so when the Socket Services driver loads, it thinks it has found an 82365SL PCIC. This allows you to use legacy DOS programs on your Laptop.
It is designed for use in MSDOS and has been tested with MSDOSv6.22.

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How does PCIC3E0 work?

PCIC3E0 configures registers in the CardBus controller of your laptop so that the controller appears to be an industry standard 82365SL PCIC. These register settings are lost each time you re-boot your laptop so the PCIC3E0 driver will need to be installed before DOS Card & Socket Services for the drivers to work correctly.

NOTE that if your DOS program does not require Card & Socket Services (ie it directly controls the PCIC) then PCIC3E0 should also work for you.

You should also be aware that on some CardBus controllers, some of the "non-standard" PCIC registers might be different. These differences are usually for 3.3volt switching and 32bit memory addressing and usually do not cause a problem, but there is no guarantee that PCIC3E0 will work on all Laptops and all PC-Cards.

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How do I install PCIC3E0?

PCIC3e0 is a DOS device driver it is installed in your CONFIG.SYS file using the command:

DEVICE=C:\ELAN\PCIC3E0\PCIC3E0.EXE

This line should be placed in your CONFIG.SYS file BEFORE any Card &Socket Services drivers.

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Can I use CardBus Cards in DOS with DOS Card & Socket Services?

No. DOS Card & Socket services drivers do not support enumeration of CardBus Cards.

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Can PCIC3E0 be installed in Windows 9x?

No. The Windows Card & Socket Services drivers re-enumerate the CardBus socket during the boot process. This means that all the settings that the PCIC3E0 driver makes are lost.

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Will I be able to use PCIC3E0 in MSDOSmode from Windows 9x?

Yes, to install the drivers, re-boot the PC in MSDOS mode and install the driver. Windows saves the CONFIG.SYS file for use next time you go to MSDOS mode.

Donít forget Windows 9x does not support PC-Cards in MSDOS mode. You will also need to install DOS Card & Socket Services whilst in MSDOS mode so that your PC-Card is enumerated.

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Can I use PCIC3E0 in Windows NT4/2000?

No. The PCIC3E0 driver is not compatible with Windows NT.

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