CYAMAMOT%GUMBY@eclc.usc.edu (02/04/87)
I'm not sure if this is the appropiate Bboard to ask a question like this but I was wondering if anyone knew of any everyday, run-of-the-mill, advertise-in-a-magazine type of outfit that sells Eproms with a speed of 200nS? Also does anyone know of a place that sells 70nS Drams? As you can probably tell I'm trying to speed up my PC, but I'm also to be soon involved in designing and learning about stand-alone single board u-processors and I'm interested in experimenting with high speed devices for knowledge and curiousity sake. If I have errored by placing this message here, and there exists a more appropiate Bboard somewhere, could somebody please inform me? I only specify the criteria of an everyday run-of-the-mill place because I realize I can obtain these types of components thru Newark or Hamilton Avnet or any of those LARGE electronic distributors, who often carry HIGH minimum order rates. But I don't intend to spend over $50.00 for this stuff (as I said, I'm only experimenting, and intend to buy only a couple of fast Eproms and Drams) One final question (which is probably more along the lines of this Bboard) : would it be wiser to concentrate one's learning efforts on the 80X86 series or the 680X0 series? Does a particular series provide a more practical approach toward learning about pipelined architecture, protection techniques and multitasking? Aside from buying books and tech. manuals, what would be the most useful (yet inexpensive) method to go about getting some actual hardware experience with these Cpus? Lastly, what are the pros and cons of learning about the structure of one chip over the other? Thanks in advance to all for any advice and information. Cliff Yamamoto Arpa : CYAMAMOT%GUMBY%USC-ECL.ARPA -------
kds@mipos3.UUCP (02/06/87)
In article <4227@brl-adm.ARPA> CYAMAMOT%GUMBY@eclc.usc.edu (Cliff Yamamoto) writes: >specify the criteria of an everyday run-of-the-mill place because I realize >I can obtain these types of components thru Newark or Hamilton Avnet or any >of those LARGE electronic distributors, who often carry HIGH minimum order >rates. But I don't intend to spend over $50.00 for this stuff (as I said, Last time I ordered something from Hamilton-Avnet they didn't have any minimum order size, even for John Q. Private citizen. You do need to know just what you want, though. > One final question (which is probably more along the lines of this >Bboard) : would it be wiser to concentrate one's learning efforts on the >80X86 series or the 680X0 series? Does a particular series provide a more >practical approach toward learning about pipelined architecture, protection >techniques and multitasking? Aside from buying books and tech. manuals, uh, naw, I better not even start...:-) -- The above views are personal. The primary reason innumeracy is so pernicious is the ease with which numbers are invoked to bludgeon the innumerate into dumb acquiescence. - John Allen Paulos Ken Shoemaker, Microprocessor Design, Intel Corp., Santa Clara, California uucp: ...{hplabs|decwrl|amdcad|qantel|pur-ee|scgvaxd|oliveb}!intelca!mipos3!kds csnet/arpanet: kds@mipos3.intel.com
landry@apollo.UUCP (02/06/87)
>advertise-in-a-magazine type of outfit that sells Eproms with a speed of >200nS? Also does anyone know of a place that sells 70nS Drams? As >you can probably tell I'm trying to speed up my PC Faster Proms and/or RAMs alone won't make any difference in your PC. To gain an adventage with faster parts requires speeding up the address/data paths and the control circuitry used for storing and fetching information in memory. -Chris Landry Apollo Computer, Chelmsford MA
markp@valid.UUCP (02/11/87)
> > I'm not sure if this is the appropiate Bboard to ask a question like > this but I was wondering if anyone knew of any everyday, run-of-the-mill, > advertise-in-a-magazine type of outfit that sells Eproms with a speed of > 200nS? Also does anyone know of a place that sells 70nS Drams? As > you can probably tell I'm trying to speed up my PC, but I'm also to be soon > involved in designing and learning about stand-alone single board u-processors > and I'm interested in experimenting with high speed devices for knowledge > and curiousity sake. JDR Microdevices should have the EPROMs you want. They are fairly cheap, have a good selection, take VISA, ship very quickly, and their minimum order is at most $10 (if any-- I go to the retail store now :-). They are in San Jose, CA, phone 800-538-5000. There is a different 800 number in California which you can probably find out from 800-555-1212. The only manufacturer I know of off-hand for 70ns DRAMs (actually 60ns and 80ns) is Inmos, and that for 256kb only. Their US headquarters are in Colorado Springs (303)630-4000, and they can undoubtedly tell you who stocks their parts. There are several Japanese manufacturers with 80ns parts now, but I am currently unaware of any faster than that. I assume that you want to build a drop-in SBC for your PC. If you are attempting to speed up the PC's CPU so much that you need 70ns DRAMs for main memory, you will undoubtedly find that the rest of the machine will collapse miserably. Besides, I am unaware of any 16MHz 8088's. :-) Mark Papamarcos Valid Logic {ihnp4,hplabs}!pesnta!valid!markp
kevinb@crash.UUCP (02/14/87)
Re your comment re JDR Microdevices, rumor has it that JDR basically buys
secondhand chips, or factory seconds. The experience I've had with them tends
to support this theory, so I suggest rather Jameco. Both companies seem to
have perpetual ads in Byte Magazine, just drop by your local newsstand and
pick one up. There is an advertiser's index in the back.
BYTE also has quite a few other sources, suggest you buy an issue and check
it out for bargains.
--
Kevin J. Belles - UUCP: {hplabs!hp-sdd, akgua, sdcsvax, nosc}!crash!kevinb
~~~~~ ~~ ~~~~~~ - ARPA: crash!kevinb@{nosc, ucsd}
- INET: kevinb@crash.CTS.COM
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