Duke Nukem 3D on IBM 5160 PC XT

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Totally beefed up IBM PC XT! The mainboard is the original IBM PC XT mobo and was overclocked to 7.2MHz (from 4.7MHz). The CPU is replaced by an Inboard 386 that is overclocked to 24MHz (from 16MHz). The 386DX on the Inboard is replaced by an PNY 5V AM5x86 module at x4 clock and in WB mode. A Transcomputer 486HPi module was used to convert the 386DX socket to a 486 socket. The memory on the Inboard is 5Mb (1Mb onboard and a 4Mb custom expansion). A virtual memory option was added to the DOS4GW parameters to allow some programs to run even with less physical memory than needed. Duke Nukem 3D needs more than 6Mb XMS to run. The Inboard can only offer 4Mb...
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Hello, I’m looking for a 386 inboard card for my IBM 5150. Would you happen to know anywhere I can purchase one?

Congratulations on this mate, it’s miraculous

markvickers
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486 in IBM Case? Or an 386/486 Turbo card and VGA?

trythis
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I’m doing the exact same thing. If you ever want to sell the machine I will buy it from you.

thecount