You will get that cache message with the boot CD because the software
doesn't know about the G3's onboard cache. I don't know that the
freeze at the end was caused by the card, but you can ignore error
message and proceed normally if you are working without the G3
software on your boot disk.
When I've seen G3-upgraded 2400s hanging a lot it's either because of
a bad proc. card or bad / flaky memory. Memory seems to be the most
frequent cause (this goes for desktop Macs pushed from 60x to G3
technology, too) of hard freeze issues.
Good luck,
Josh
On Nov 23, 2008, at 7:18 PM, Ralph Mawyer wrote:
Susanna, the G3 card is plug and play, once you get the 2400 open.
You could actually swap cards and verify both 2400s and the cards
with a swap, i.e., if the new host for the G3 has problems, then
it's the card. The display could just be a connection given the
symptoms. Make sure you have the G3 cache software loaded, but I
assume you do since you've had it awhile.
On Nov 23, 2008, at 9:10 PM, Susanna wrote:
Hello,
I was taking stock of my 2400s today, thinking about what to do
with them. I haven't actually used any of them for awhile, but I'm
thinking I'd like to start using one again -- and maybe making use
of the others' parts. Only one is currently working, but it's the
most bare-bones one.
My best 2400 (the one that has upgrades: G3, RAM, cardbus enabled,
and a big, quiet harddrive) has the worst problems: the display is
unreadable unless the frame is squeezed tightly on the lefthand
side; and the 2400 only starts up after MANY tries and resets.
When I try to start up, usually I get a plain blank screen with
just the cursor on it; once in awhile I get a floppy icon; and
every once in awhile, it starts up just fine and works fine for
awhile...and then freezes or shuts itself off.
Today I tried starting it from an original 2400 boot CD in an
external CD-rom drive -- and it actually did boot up from the CD,
although mid-way I got this message: "The built-in memory test has
detected a problem with cache memory. Please contact a service
technician for assistance" (Then it finished booting up from the
CD, but it was frozen, so I couldn't do anything but force-restart).
From the symptoms and the error message, could anyone guess whether
or not the source of the problem is likely to be the G3 card? If
there's no reason to suspect the G3 card, then what I'm considering
doing -- if I can find a shop to do it -- is having the G3 card
taken out and transplanted into my other 2400 (the one that works).
And, unless there's reason to suspect that the RAM or the harddrive
might be the source of the problems, I'm thinking I'll have those
transplanted to my working 2400 too.
If anyone has any thoughts about this possible plan, or has any
other ideas, I'd appreciate hearing them.
Susanna
Ralph Mawyer, Jr.
San Antonio, Texas
PB2400c/G3-320/112MB/80MB HD/Yu-Plan Keyboard
mac2400 http://www.sarofax.com/mac2400/index2.html
Your PowerBook 2400 Reference Site
"They that can give up essential liberty to obtain a little
temporary safety deserve neither liberty nor safety". Benjamin
Franklin, 1759.
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