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#1 |
Miggy Ate My Hamster!
Join Date: Nov 2008
Location: Lancashire, UK
Posts: 1,566
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A600 Kickstart upgrade = longer boot time!
I've just replaced the 37.300 rom in one of my A600's to the 37.350 version (Kickstart 2.05) and have noticed it now takes a few more seconds for it to reach the Kickstart boot screen! Is this normal? It now stays on the white screen for longer when i power up the A600
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#2 | |
PSPUAE DEV
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Quote:
Same thing happens when you for from KS3.0 to KS3.1 on an A1200. With 3.1 it takes like 40 secs. |
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#3 |
Moderator
Join Date: Nov 2004
Location: Eksjö / Sweden
Posts: 5,658
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40 seconds!?
![]() Well, I guess it could, but I guess then you must have some CD-ROM spinup time or some large chain of devices attached FOL? Yes, 3.0 might be slightly quicker, but my boot-time on A600 kick 3.1 is very quick. I did terminate the floppy drive, which saved ... 6-8 seconds or more? (See my other thread.) Also, I have fastram, which might help. And the only drive connected is the CF on the IDE port. If you don't want to use a terminator, a simple non-installed Amiga formatted floppy inserted at boot time can save 2 seconds or so IIRC. |
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#4 |
Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,470
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I believe if you put a disk drive or a terminator on the IDE port it will be faster. But I may be wrong. I've always had something fitted to the IDE in my A600
http://amigakit.leamancomputing.com/...roducts_id=831 |
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#5 | |
Precious & fragile things
Join Date: Feb 2009
Location: Victoria, Australia
Posts: 1,946
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Quote:
Paul |
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#6 |
Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,470
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I don't think it is termination in the classic SCSI sense.
The normal boot sequence probably polls for an IDE HD for N seconds before defaulting to a different boot method. I believe this device is a simple passive circuit which fools the software / hardware into detecting the connection of a HD. The software tries to 'enumerate' the HDD and fails. This exits the HD polling loop more quickly than through timeout and therefore accelerates the boot sequence. But I could be wrong. It may be A4000 specific (hence it's name). I think it was invented either here on over on Amiga.org so if you search these forums you'll find the thread all about it. Last edited by alexh; 16 January 2010 at 11:04. |
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#7 |
Miggy Ate My Hamster!
Join Date: Nov 2008
Location: Lancashire, UK
Posts: 1,566
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Thanks for the replies
![]() My a600 with the 37.350 rom takes approx 12 seconds to reach the kickstart boot screen and my other a600 with 37.300 rom only takes about 5 seconds! It's even longer on both machines if i use a 2mb or 4mb PCMCIA sram card. So it's nothing to worry about... I just thought maybe i had a dodgy rom chip ![]() |
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#8 | |
Precious & fragile things
Join Date: Feb 2009
Location: Victoria, Australia
Posts: 1,946
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Quote:
It should work on any Amiga, but as you said, it's a HDD bypass circuit. Paul |
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#9 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 43
Posts: 9,915
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Indeed, not an actual terminator like in SCSI, this one is merely a driver-fooling device.
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#10 | |
PSPUAE DEV
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Quote:
The first time I came across this I thought I killed my A1200. Then I figured out it was just delayed after leaving it on for about 40 secs. It might be 40 secs for me, as I normally have mobo on their own, with nothing connected (not even a floppy). I have noticed when floppy aint connected it tries to talk to it and adds like 5 - 10 secs to boot even when HDD is connected. This is to be expected as there wouldnt be floppy terminators for sale otherwise, ![]() |
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#11 | |
Amiga Nut
Join Date: Oct 2006
Location: Belco, Australia
Posts: 2,242
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Quote:
What do you do with an A1200 that has no drives whatsoever connected? That's a serious question too...I'm intrigued! PZ. |
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#12 |
CBM & Retro Mad
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Yep i recently changed from 3.0 to 3.1 roms on the 1200, and there is as Fol say's around a 40 second delay or should i say 40 sec's of panic the first time around
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#13 | ||
PSPUAE DEV
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Quote:
![]() Quote:
![]() I obviously know a hell of alot more now, ![]() |
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