This article was previously published under Q68752
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The NEC Prospeed 386 Laptop may stop responding (hang) during MicrosoftWindows setup if a math coprocessor is installed and the jumper to the leftof the math coprocessor is set incorrectly.
The jumper has three pins. The default settings are pins 2 and 3. Windowsrequires that the jumper be set to pins 1 and 2. This has been confirmed byNEC technical support.
NEC Prospeed users should contact NEC technical support or their dealer forcorrect installation instructions.
If you are using the NEC Docking Station, then the regular AUTOEXEC.BAT andCONFIG.SYS files are ignored and files named AUTOEXEC.DS and CONFIG.DS areused. You also need to add /M:7 to the HIMEM.SYS line:
The NEC Prospeed 386 Laptop Computer is manufactured by a vendorindependent of Microsoft; we make no warranty, implied or otherwise,regarding this product's performance or reliability.