[q] Identify Old Daystar Upgrade

[Dr.O.M.Betz]

It's a pity the pics don't reveal so much. All I can say is that 
Daystar offered quite a range of upgrades/accelerators at the time 
and that the control panel you can still download from AppleFritter 
at http://www.applefritter.com/node/4686 covers the Turbo 040, Turbo 
040i, Image 040, Quad 040, Value 040, Value 040i and FastCache 
Quadra. DayStar Quad 040 Accelerator seems to have been the name of 
this CDEV/Control Panel. The designation "Quad 040" seems redundant 
if it wasn't meant for a speed upgrade for Quadras running at 25 or 
32 MHz. Maybe the article in question is just that, I don't know. The 
interesting suggestion by Chris that it could be sort of an AV 
upgrade is erroneous IMHO as presumed DSPs alone don't make the 
difference - where are the ports? Video in/out, RCA jacks for the 
sound? And the DSP on the  840 AV mainboard here (AT&T 3210) doesn't 
look very much like the chips on the board shown. I'm puzzled, 
anyway, as I believed the DSPs were by TI. But I'm sure someone more 
knowledgeable than me can clear this up.


Cheers, OM
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Re: [q] Riggin' up a 635

[Dr.O.M.Betz]

>Recently, I had great fortune at a
>benefit fund-raiser sale. I landed a Performa 635cd (in great working order,
>and with all of its original internal parts) along with a ton of far out of
>date software and manuals, a global village external modem, and an apple
>laser writer 300 for virtually nothing. I have since also purchased a late
>model apple 15" monitor to go along with the setup

Congrats and welcome to the list. Every collector at some time had to start
from scratch...  ;-)

>Enough background...I'm hoping you all can guide me a bit in bringing this
>rig closer to a useful state. I would like to RAM it up to 64 megs

Seems like you heard about the machine taking 64 MB SIMMs contrarily to
what Apple sources say. If you are lucky finding a 64 MB SIMM, this will
make you the king of 68 MB real estate, as 4 MB are soldered to the mobo.

>I would also like to install a big hard drive and an ethernet
>card, and upgrade to OS 8.1. Intended use would be a glorified jukebox -
>somewhere I could stash a ton of mp3's and back-up other files from my main
>mac. Is this realistic?

For the HD, ethernet card and 8.1: no problem. All of these worked fine for
my son's 630 which is more or less the same machine. Any IDE drive will do;
as the 63x series were Apple's first computers to adopt the cheaper IDE
mass storage, it was early-generation interface, too, and newer drives fall
back to the older specs. For ethernet you can choose between two
interfaces, the more common "LC-PDS" and the "CommSlot". If you don't want
to drag the external modem around, you can even put a modem in one of the
slots and an ethernet card in the other. Both cards exist in both flavours,
but take care to get "ComSlot I" material. Later machines used the
"CommSlot II". If you don't have a OS 8/8.1 CD, they are available at eBay
for next to nothing.

For the 635 as a MP3 jukebox, think twice (and get advice from people more
knowledgeable than I am in this matter). AFAIK MP3 on 68k machines is a
PITA, if it works at all. Storage only would be OK, naturally.

>Can a current generation OS X machine communicate
>with an older OS 8 machine over a network?

Yes. Don't forget to enable AppleTalk on the OS X machine.

>How and where should I look for
>hard drives? I know this machine requires a PIO 3 hard drive (I only know
>the term, not exactly what it means except for its impact on transfer rate).
>Will any IDE drive work, and will it simply "downgrade" to that standard, or
>do I need to seek a hard drive that is specifically that type?

For compatibility, see above. Older hardware (and cables!) work OK with
newer drives, the inverse is not true. A guy in our MUG keeps trying to
persuade me to keep away from older drives ("older" in his terms means more
than 2 years of age), but he's a dealer and a network professional so I
just think he's biased. I have some HDs in my Mac garden that are about 16
years old and still going strong, others have died that were only a couple
of years old. As always, backups are recommended for anything you attribute
any value to, and a main machine that is meant to help you earn your money
deserves a new hard disk on a regular basis, but a fun machine can do with
less. YMMV.

>What other pitfalls are there? What are some must-haves that I'm
>overlooking? I'm intrigued by the TV tuner (not present, but it sounds like
>a nice upgrade), does anyone have any experience with that?

A nice gadget for the 63x series is the remote control, especially if you
want to use the computer for music playback. It shipped with the machines
as a standard at the time. The TV tuner is nice, too, and it works well in
its little window as long as you have an analogue TV signal - in Germany
terrestric analogue TV broadcasting will end in 2005 :-(( . There is also a
video digitizing card that works, albeit a bit slowly due to the 68LC040's
lack of muscle. My son has had a lot of fun with all these toys (and he
learned quite a bit using them), but if you are thinking about some serious
work, including MP3s, forget about the 635: you're far better off with a
PowerMac. The pre-G3s are inexpensive nowadays and quite useful for
non-leading-edge purposes. For your idea of an MP3 jukebox I'd rather go
for a 7600 or the like.

HTH. Have fun, OM

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Re: [q] 476 problems

[Dr.O.M.Betz]

>l s wrote:
>>
>> Greetings,
>>   I just acquired a 476 with no hd or floppy at a
>> reasonable price (free).  I have an extra hd that
>> works (I checked it in a different computer).  When I
>> put a hd in the 476, all I get at startup is the
>> blinking ? .  Do I need to put in a floppy to get it
>> to work or is there a different problem?
>>
>> Thanks,
>> Lee
>>
>> 
>
>Battery?
>what was the hd set up on? you may have to reinstall os
>or at least make sure you have the right enabler.
>
>charles Lenington
>
I second Charles' statement, except for the battery question. A 475 without
a working PRAM battery would not start at all (i.e. it would't even take
you to the "flashing question mark-floppy" screen), and I doubt a 476 is
much different. The symptoms you describe mean the Mac does not see the HD
or the HD does not have a suitable system folder. If you are sure the HD
has a system that works with the 476, that is anything from 7.1P3 (AFAIK
the 476 is a Performa) with Enabler 374 v.1.1 through System 8.1, and the
System folder is blessed, check for termination, SCSI ID conflicts or a bad
internal SCSI cable. If the HD does not have a usable system, you're in a
pinch because you cannot install a system over a network without a working
Mac. You'll either have to install a floppy drive or hook up an external
boot device (HD or CD-ROM with suitable system) and continue from there.

Good luck, OM

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Re: [q] Centris 610

[Dr.O.M.Betz]

Adding to Ian Owen's thoughts: the HD in the Centris must have been
terminated before you made any change. Remember that termination should be
active on the (physically) last device in a chain, so you should have a
look at the way you daisychained the drives on the internal SCSI cable: if
the cable coming from the motherboard goes to the HD (which is terminated)
first and then to the CD-ROM, the computer may ignore the latter
completely. Make sure the cable goes from the mobo to a not-terminated
drive and then to the terminated one, no matter what they are and which
SCSI IDs they use. I can't remember how the 61x(x) machines are organised
internally but I'm sure you can solve the problem by either changing the
order or by pulling the term jumper on one device and placing it on the
other. As for term power, the 610 provides it on the bus AFAIK, but if
you're not lucky following the above rules, you may change the term power
setting on the terminated device to "term power from drive". If the
computer still does not see the CD-ROM after all this, you may have a bad
SCSI cable, or the CD-ROM drive may be one not supported by the standard
Apple driver. You can see on the drive label if it has an Apple-compliant
ROM. If it is a non-Apple drive, use the patch to Apple's CD-ROM driver or
use the driver from OS 7.6.1 which supports non-Apple CD-ROM drives.

HTH, OM

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[q] machine comparison

[Dr.O.M.Betz]

>
>If you want to be creative, you can slide the LC630 motherboard into the
>5260 and have a nice all-in-one computer. The 5260 and LC 630 use ATA hard
>drives, the 660 uses SCSI. They all use the same basic 72-pin RAM type. Yes,
>you can also swap CD-ROM drives, etc.
>
>Hope I've been some help!
>Keith
>
It is true that both used the same RAM and both could use the TV board, but
didn't the 5xx/52xx series and the 63x/63xx series use different form
factors and different front connectors? (Reason why ColorClassics always
were upgraded to "Mystics" by a 575 board and not a 630; I don't think the
IDE drive made the difference). Too tired to go and try now, and I don't
want to wake the children who have them in their rooms.

Cheers, OM

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[q] Centris hardware problem

[Dr.O.M.Betz]

Hi listers,

after a couple of years on the Compact Macs list I decided to join the
Quadlist because of a hard-core problem with a Centris 610. As this is my
first post, I'll introduce myself shortly: I'm  German, using and
collecting Macs since 1988/System 5.0. Mostly online with a G4 Sawtooth via
AirPort and a Draytek wireless router on ISDN, the family with iBooks.

Here is the Centris issue: A machine that had worked flawlessly before in
my son's room network with 44 MB RAM, 1 GB HD and 8xCD-ROM gives the death
chime at startup. I started looking for a faulty component by subsequently
removing the HD, CD-ROM drive, NuBus Adapter, floppy, non-soldered RAM,
even the monitor, and restarting after each change: no luck, after the
startup chord no video, but the death chime. The PRAM batt had 3.5 Volts,
changed it all the same, no dice. The only thing that did not meet specs
was PS output: while the 5V rating was correct, the should-be + and - 12
Volt were a mere 11 Volts, respectively. Would this be enough to explain
the hardware failure, and if yes, what am I supposed to do? There does not
seem to be a possibility of adjustment on the PS. If someone knows there is
something adjustable inside the brick, I'll open it up; 220V is a voltage I
can handle. Any help would be greatly appreciated, as I like this elegant
machine very much.

Chers, OM

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