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Old 07 June 2007, 23:02   #1
fc.studio
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SIMM vs. EDO SIMM on BLIZZARD.

My blizzard 1230/IV has this options:

- 16MB SIMM, no branded, double sided (total 16 chips), 60ns, golden contact
- 16MB EDO SIMM, HP branded, single sided (total 8 chips), 60ns, no golden contact

I can mount only one but I can't, at the moment, select one for performances: with maprom enabled SYSInfo reports similar/same data (9585 drhystones and 10,00 Mips).

EDO is better?
Which one is cooler?
Are there differences for power consumption?

Finally, which one would you choose?
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Old 07 June 2007, 23:08   #2
keropi
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since blizzard does not use the EDO extra features, there is no speed concern...
I would use the EDO one because there is a slight possibillity since it is newer technologie than FPM it _might_ use less power because of newer memory chips...
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Old 07 June 2007, 23:42   #3
Zetr0
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I found FPM (fast paged memory) to function better on Apollo Accelerators than using EDO (Extended Data Out) Memory.
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Old 08 June 2007, 02:14   #4
fc.studio
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Quote:
Originally Posted by Zetr0
I found FPM (fast paged memory) to function better on Apollo Accelerators than using EDO (Extended Data Out) Memory.
What kind of problems did you have with EDO SIMM?
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Old 08 June 2007, 03:09   #5
Zetr0
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a couple of 32MB module would not function properly in either my Apollo 030 or 060

the modules were of generic origin, toshiba modules i believe... I also had a problem with a 16mb EDO module with the 060.

since then I have always bought 60ns FPM's to make sure.

my close friend has a blizzy mk4 030@50 and he uses 64MB EDO without any issues... (apollos can only define 32MB per memory bank)
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Old 08 June 2007, 09:32   #6
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FPM simms tend to work better with most Amiga equipment. Especially DKB3128
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