[comp.arch] Crippled RISC

mark@mips.COM (Mark G. Johnson) (06/17/88)

 
In article <511@pcrat.UUCP>, rick@pcrat.UUCP (Rick Richardson) writes
of a Crippled RISC
	> ... around 4 Mhz for EMI and power reasons...
	> ... at most a 16 bit bus...
	> ... 2800 Dhrystones for a hypothetical 4 Mhz, 16 bit bus RISC
	> ... Chip cost is important ($10)

	> Based upon current volumes, these new products have projected
	> volumes of 6-7 figures.


If the volumes are really this big, then a ruthless cost-slashing
consumer product approach (a la Atari video game, TI 99/4, McIntosh)
might be appropriate.  In which case it may be advisable to build
the CPU chip yourself, in a really low-cost, low-pincount, low-power,
plastic packaged CMOS gate array.  Costs are indeed tiny when volumes
are immense.  Gate array vendors are plentiful so 2nd sources are a
given.  And the engineering expense is amortized over a lot of units.

Unfortunately the article also said
	> Time is short here.

Too bad... sounds like the old story: we'd rather have a decent,
sellable product TODAY, than a terriffic, killer product tomorrow.
-- 
 -- Mark Johnson	
 	MIPS Computer Systems, 930 E. Arques, Sunnyvale, CA 94086
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