Petersen/Wallin reports that things are really crazy in the EPROM market.
We have contracts for delivery of large quantities at reasonable prices, but
the spot price in the market is up to $12.00 for 27512's; hence deliveries
have gotten flakey and Peteren suuspects the manufacturers are slipping
our orders to fill more lucrative orders. Atari recently had to buy 10,000
27512's through distribution at $8.15 to meet current commitments. Rod
Petersen also suggests we use $8.00 as the cost for 27512's until things
settle out in the EPROM market. In the mean time, they have been working
with Erwin Arvidson to get more vendors on the AVL - I believe Rod said that
Toshiba, Mitsubishi, TI are now on the AVL for 27128/27256/27512. Manufacturing
reports that the Toshiba's program much faster than AMD or any of the others.
Also Toshiba and Mitsubishi have a fallout rate of about 1/2 % as opposed 1 %
with AMD. Wallin also said they will be looking for ROM vendors since we have
a verbal quote of $2.50 for 23512 ROM's from Sharp (masks extra - about $2000). 

Getting 200 ns parts is a REAL problem, getting 250 ns parts is easier, and
Manufacturing would like to use 250's instead of 200's wherever possible or
even "slightly not possible". Engineers should evaluate their timing and 
be prepared to make a judgement call in this respect.