Producer: IBM - Category: Other Hardware
Accelerator card, 1987, Intel. The Inboard 386/PC is an expansion card that upgrades an IBM PC or XT to a 16 MHz 80386: a ribbon cable from the card plugs into the socket of the original 8088, which is removed, and the card carries 1 MB of RAM plus a socket for a 387 coprocessor. It let owners of the first PCs run Windows and 386 memory managers on their old machines, at a price close to that of a new AT clone. The Inboard 386/AT did the same for the PC AT.
| Years | 1987 to 1990 |
| Processor | Intel 80386 at 16 MHz, optional 80387 |
| RAM | 1 MB on the card, expandable with a piggyback board |
| Connection | 8-bit ISA slot plus cable to the 8088 socket |
| Software | drivers and memory manager on disk |
| Price (1987) | US$1,295 |
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