22 Oct
2004
22 Oct
'04
7:59 a.m.
On Fri, Oct 22, 2004 at 10:15:29AM -0700, Dwight K. Elvey wrote:
Hi Tony
I think you are right about the 23xxx being mask versions.
That is my experience with Commodore ROMs - 23xxx are mask-
programmable, and 25xx and 27xx are various varieties of
EPROMs (sometimes pin-compatible, frequently not).
-ethan
--
Ethan Dicks, A-130-S Current South Pole Weather at 22-Oct-2004 19:50 Z
South Pole Station
PSC 468 Box 400 Temp -54.1 F (-47.9 C) Windchill -67.3 F (-55.2 C)
APO AP 96598 Wind 2.4 kts Grid 064 Barometer 672.9 mb (10896. ft)
Ethan.Dicks(a)amanda.spole.gov http://penguincentral.com/penguincentral.html