22 May
2000
22 May
'00
10:11 p.m.
The good news is that I took apart my VLC, pulled out the two EPROMs
holding the firmware and successfully read them out and saved them to a
file on disk.
The bad news is that the EPROMs are 27210's (64K X 16 bit) parts.
Apparently these weren't popular enough to either make it into the
"mainstream" or into over stock :-(.
Digi-key, Mouser, JameCo, Future-Active, Wyle, all came up empty. JDR's web
site claimed they had them but the order failed and said "call customer
service" :-0.
So there you go, a "valuable" IC for those with VLC's.
--Chuck
23 May
23 May
4:47 a.m.
it can be faked with a pair of 27512s(64kx8) or larger on a header.
In the mean time failed cards might be used for spares.
Allison
On Tue, 23 May 2000, Chuck McManis wrote:
The bad news is that the EPROMs are 27210's (64K X
16 bit) parts.
Apparently these weren't popular enough to either make it into the
"mainstream" or into over stock :-(.
6:42 a.m.
From: Chuck McManis <cmcmanis(a)mcmanis.com>
The bad news is that the EPROMs are 27210's (64K X
16 bit) parts.
Which manufacturer ?
Apparently these weren't popular enough to either
make it into the
"mainstream" or into over stock :-(.
Mine VLC have all 27c1024 in them. I ordered/got this parts without any
problems few weeks ago.
Digi-key, Mouser, JameCo, Future-Active, Wyle, all
came up empty. JDR's
web
site claimed they had them but the order failed and
said "call customer
service" :-0.
You probably asked the wrong questions ;-)
cheers,
emanuel
10:06 p.m.
Mine VLC have all 27c1024 in them. I ordered/got this
parts without any
problems few weeks ago.
Interesting, what does the banner say when it boots? Mine says 1.5-38E-V4.2
on the "most recent" one, the other says 1.3-xxx-Vxxxx.
In response to Allison, these EPROMs are exactly under the video card so a
daughter board is out of the question but one could put ribbon cables to
some place else in the box.
Of course if I was going to butcher it in that way I'd go ahead and put RAM
there and a small processor to "download" the firmware, then I would have a
VAXeln like systems :-)
--Chuck
24 May
24 May
5:20 a.m.
New subject: EPROM 27c210
Hi,
anybody has the datasheet, pinout of this EPROM ? (Intel, TI, ...)
cheers & thanks,
emanuel
23 May
23 May
7:34 a.m.
On Tue, May 23, 2000 at 12:11:34AM -0700, Chuck McManis wrote:
The bad news is that the EPROMs are 27210's (64K X
16 bit) parts.
Apparently these weren't popular enough to either make it into the
"mainstream" or into over stock :-(.
Digi-key, Mouser, JameCo, Future-Active, Wyle, all came up empty. JDR's web
site claimed they had them but the order failed and said "call customer
service" :-0.
FWIW, I've had this problem with JDR before too, and it was no big deal.
Web site says they have the item, but the order fails for mysterious reasons.
Called them by phone but got the night shift, evidently they're just sitting
in front of web browsers, no better. Called during the day time, they had to
put me on hold but eventually they convinced their system to take my order,
and it arrived with no more trouble. So give it a shot...
John Wilson
D Bit
10:32 a.m.
On Tue, 23 May 2000, Chuck McManis wrote:
The good news is that I took apart my VLC, pulled out
the two EPROMs
holding the firmware and successfully read them out and saved them to a
file on disk.
The bad news is that the EPROMs are 27210's (64K X 16 bit) parts.
Apparently these weren't popular enough to either make it into the
"mainstream" or into over stock :-(.
Digi-key, Mouser, JameCo, Future-Active, Wyle, all came up empty. JDR's web
site claimed they had them but the order failed and said "call customer
service" :-0.
So there you go, a "valuable" IC for those with VLC's.
You might check with ACP in the LA area. They have been known to have
some odd ones now and then.
- don
--Chuck
11:05 a.m.
New subject: Calling John Lawson
Sorry for the broadcast,
John if you're reading this could you please call Chuck McManis at
(408) 617-1005 ? Thanks!
--Chuck
8820
days inactive
8821
days old
7 comments
5 participants
participants (5)
-
allisonp＠world.std.com -
cmcmanis＠mcmanis.com -
donm＠cts.com -
emu＠ecubics.com -
wilson＠dbit.dbit.com