286 to 486 IBM SLC 2 50MHZ PLCC CPU Cyrix 387 I/O DATA PK-X486S50-3 Vintage PC For Sale

286 to 486 IBM SLC 2 50MHZ PLCC CPU Cyrix 387 I/O DATA PK-X486S50-3 Vintage PC
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286 to 486 IBM SLC 2 50MHZ PLCC CPU Cyrix 387 I/O DATA PK-X486S50-3 Vintage PC:
$300.00

Very rare plcc 286 to 486 upgrade! Uses 25mhz (50mhz internal double clocked) IBM 486 SLC2 with Cyrix 387 SLC 33MHZReports over 50mhz in landmark.Also has internal 16kb of cache and requires ibm slc driver program to enable double clock and cache to make it faster, without it it will just work as a slow non cached 486.This cpu works depending on motherboards and chipsets so please know the risk as it may not boot with your intended system (usually always works if you are able to adjust clock speeds with crystal).Due to age sold as-is no returns or refunds! Shipping to usa and canada only.
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