![]() ![]() Our main shop demo computer still used one of these boards right up until 1998 and it was plenty fast enough, even for most multi-media applications. Though the 5x86 was hardly a speed-king even when these were new, you'd be surprised how well these went if you give them 16MB of RAM and a decent hard drive. If you want things dependable, there is nothing quite like a mature, proven technology. These were the most reliable motherboard we had seen since 386DX-40 days. The last of a long line of first-class 486/586 boards from FIC, and our number one choice for the hugely popular AMD 5x86-133 CPU. Cache: Socketed, 256k asynch standard, 512k optional.I/O: 2 32-bit HDC, FDC, 2 serial, one parallel, LBA.The 486SPM supported all the 486 and 5x86 CPUs we mainly used it with the Cyrix 5x86-100 and, perhaps making an over-fine distinction, preferred the contemporary FIC PIO-3 (below) with the AMD 5x86-133. With most 486-era boards, you had to pay attention to the order you used the RAM slots in, the particular type of RAM, and the mix. ![]() The Chaintechs had an unusual and very refreshing set of rules for RAM compatibility: any RAM, any slot. (These days, when we see one, we need to drag the manual out and puzzle over it for a while - maybe we just used to think they were simple because we saw so many!) Fast and reliable, they were delightfully simple to set up once you learned the odd-ball jumper arrangements. These were our best-selling board for most of 1996.
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