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DSI-780是一种用于IBM PC-XT/AT(或其兼容机)的带有32位处理器的加速板。PC-XT/AT加入 8087/80287协处理器后只能使运算速度提高一个数量级,而加入DSI-780加速板却能使运算速度提高两个数量级。
The DSI-780 is a 32-bit processor-based accelerator board for the IBM PC-XT / AT (or its compatible). PC-XT / AT joined the 8087/80287 coprocessor can only make the operation speed an order of magnitude, but adding DSI-780 acceleration board can make the operation speed can be increased by two orders of magnitude.