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Author Topic: Blizzard 1260/66 and SCSI Kit Question  (Read 1833 times)

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Offline DamionTopic starter

Blizzard 1260/66 and SCSI Kit Question
« on: March 29, 2003, 03:02:39 AM »
I've heard that the 1260 - 66 (60mhz 68060) and
overclocked 50mhz 1260's don't work well with
the SCSI kit. Does anybody know the story on
this? Has anyone here used these two together
successfully? I would be using the same size and
brand SIMM on both units if this makes any
difference.

Thanks in advance for any info...I'm thinking
about possibly getting a better drive setup on
my 1200 project.

-D-
 

Offline Zadoc

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Re: Blizzard 1260/66 and SCSI Kit Question
« Reply #1 on: March 29, 2003, 08:17:01 AM »
Well, I'm using a Bliz060/66MHz and SCSI-IV combo right now without any sign of problem.

The only 'incompatibility' I've come across is that the SCSI-Kit doesn't like EDO SIMMs...
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Offline DamionTopic starter

Re: Blizzard 1260/66 and SCSI Kit Question
« Reply #2 on: March 29, 2003, 12:03:08 PM »
Thanks Zadoc. When I come across one I'll use
the same FPM SIMMs in both units and it should
work it seems. Thanks again.



 

Offline JurassicCamper

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Re: Blizzard 1260/66 and SCSI Kit Question
« Reply #3 on: March 29, 2003, 12:07:32 PM »
The Unstability comes from cheap slow RAM.
Higher clock speed and it getting to hot.

Thermal paste and a good heatsink and fan.
A 486Heatsink & Fan if you can get one fits really well you just have to warm the plastic legs up in hot water to bend them out a few mm's first.

I bought a Blizzard 1260 in Jan 1996 from Gordon Harwood (If any body remembers them)
Overclocked as long back as 1997 to 64Mhz and used it with BlizzardSCSI in a Micronik 1500T Z2 Busboard etc all handing off an unfixed 1d4 AT mobo with no timing problems at all for years before selling it. Used 2 matched 60ns 32Meg Simms.

The 1260 is still going in a RAmiga Z5 tower to this day at my friends house.

My Blizzard 060 603e 240 SCSI / BVision Replaced it and that got overclocked  with no problems.
Replaced the 60Mhz Oscillator with a 70Mhz one from onspec to boost it to  280Mhz with no problems at all. However it failed with to run for more than 5 seconds or so with a 75Mhz oscillator (300Mhz.)
A1200T PPC 330Mhz in a Custom Modified Fractal Design R3 Case
 

Offline DamionTopic starter

Re: Blizzard 1260/66 and SCSI Kit Question
« Reply #4 on: March 29, 2003, 11:12:55 PM »
Great. I put a good fan setup on my 1260 - 66
a while ago to replace the crappy one that
came with it.  I've got two identical 60ns
SIMMs...so it should work. I appreciate the
help guys.
 

Offline Corrie

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Re: Blizzard 1260/66 and SCSI Kit Question
« Reply #5 on: March 30, 2003, 12:45:26 AM »
I had a Blizzard 1260 overclocked to 66mhz and the SCSI kit working without any problems at all. Just make sure you are running all the latest drivers. I used EDO simms without any trouble whatsoever. I could only use the simm on the scsi kit due to the fan blocking the use of the simm on the 1260 card... I used a 64mb EDO simm without any drama. It ran like a dream!
Escom A4000T ^ Cyberstorm MKIII 68060 75Mhz ^ 128Mb Fastram ^ CybervisionPPC ^ IOBlix ^ Ariadne II ^ Prelude ZII ^ 147Gig 10k U320 SCSI HD ^ OS 3.9!
 

Offline amiga1260

Re: Blizzard 1260/66 and SCSI Kit Question
« Reply #6 on: March 30, 2003, 07:41:11 AM »
My Amiga 1200 from Escom has a Blizzard 1260 (not overclocked) and SCSI-kit with two 64 EDO SIMMs at 60 Ns. My Amiga 1200 is powered by A500 power supply. I haven't had problems with it.