Quick question

[Marteney, Steven J.]

Would recommend you also look closely at the pinouts.  The 2732 to 27128
look the same, but getting around 27256 and especially 27512 pinouts start
looking different.  I've got a spec sheet somewhere (or on the web) and I'll
look to refresh my memory.  Be careful before just plugging and chugging.
(Doing the same thing, pulled 512 off a 386 board I found in my closet.)

Steve

-----Original Message-----
From: Dave Zug [mailto:dzug at delanet.com]
Sent: Tuesday, October 24, 2000 1:20 PM
To: gmecm at diy-efi.org
Subject: Re: Quick question


well if you plug a bios chip in a 730, it'll reboot your car  ;-)

okay, enough of that. YES you can, but you should concatonate your binary
file with another copy of itself before burning the 512. this will put the
file in the high and low halves of the chip, where you can be sure the
computer can see it wherever it points (it points to only ONE, the low side
I beleive, but doing both sides covers you.)

There are fancy things you can do with a 512 like wire a jumper thru a
switch to the A14 (i think) leg and actually burn 2 seperate images onto the
512 and switch between them (like a NOS image and a NORMAL one). a few
aftermarket vendors sell up ro 16 images on one chip for smaller chips line
in the Grand National.

more than you wanted to know, as always.


----- Original Message -----
From: NRG <euro at lvcm.com>
To: <gmecm at diy-efi.org>
Sent: Monday, October 23, 2000 8:08 PM
Subject: Quick question


> Hey guys. I got a quick question...   I found a 27C512 EPROM on one of my
> old 486 motheboards... hehe. I was wonder...  could I use this in my 730
ECM
> which requires a 256 ?  Thanx :)
>
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