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| General chat about Amiga topics This forum is for conversations which are specifically "Amiga" related, but don't fit into other categories. Contents of this forum do appear on the main page, unlike Talk About. If a subject appears to be non-related, it will be moved to Talk About. |
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#1 | ||||||||
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Merely Curious
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Join Date: Apr 2008
Posts: 1
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Hya just a quickie from an old amigan who`s come back from the land of pc building.
what was the rear trap door in the amiga designed for???? at moment building my self a 1200 with internal cdrom + internal cf card reader great fun lol :-x :-P
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#2 | ||||||||
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Technoid
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Join Date: Mar 2006
Posts: 325
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The rear trap door covers the bay in which a SCSI connector can be installed. As far as I know, the only way to install a SCSI controller is as an add-on to an accelerator (in the expansion bay underneath the Amiga).
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A1200, M-Tec 1230 @28MHz, FPU, MMU, 8Mb fast ram, SCSI card, 512Mb HD, Power CDROM drive, PS2 optical mouse |
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#3 | ||||||||
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Cult Member
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Join Date: Jul 2006
Posts: 952
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You could run a fast serial port out through there instead, if you want. I think there were some CD drives with a cable that went in through that space too.
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#4 | ||||||||
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Defender of the Faith
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Join Date: Apr 2006
Posts: 1,076
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Additional serial ports can go there too...I added a HyperCOM MK1 there as in this photo
EDIT: meega beat me to it...It's too late at night for this kinda thing :-D
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Main A1200D: WB3.0, 3.1 ROMs, 2GB HDD, Blizzard 1230IV (64MB RAM + FPU) and a whole load of custom heatsinks...
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#5 | ||||||||
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Defender of the Faith
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Join Date: Feb 2005
Location: Kingston upon Hull, UK
Posts: 1,175
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You could also use it to mount the VGA connector of the Blizzardvision PPC (an RTG graphics card add-on for the Blizzard PPC accelerator card), or the USB ports of the Subway USB controller (an add-on which attaches to the clockport)
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www.hullchimneyservices.co.uk Mac Mini G4 (1.5GHz, 64MB VRam, 1GB Ram): MorphOS 3.1 Powerbook 5.6 (15", 1.67GHz, 128MB VRam, 1GB Ram): MorphOS 3.1, OSX 10.5.8 Windows-free since 2011! |
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#6 | ||||||||
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Desperately needs a life
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Join Date: Sep 2003
Posts: 3,056
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@DrDekker
The Expansion Systems Dataflyer 1200 added SCSI (via the IDE port) and used the rear knock out panel.
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Time to move on. Bye Amiga.org.
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#7 | ||||||||
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Desperately needs a life
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Putting all together:
- SCSI controllers; - VGA out for a BVision or an internal scandoubler; - Fast serial and/or parallel ports; - USB connectors (from a Subway USB); And any other nice hack you can think to fit in the spot.
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Goodbye people. I'll pop on from time to time, RL is acting up. |
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#8 | |||||||||
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Technoid
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Join Date: Mar 2006
Posts: 325
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Quote:
Does the Dataflyer replace the IDE port with SCSI or does it retain the IDE port (add more ports perhaps?) and add SCSI?
__________________
A1200, M-Tec 1230 @28MHz, FPU, MMU, 8Mb fast ram, SCSI card, 512Mb HD, Power CDROM drive, PS2 optical mouse |
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#9 | ||||||||
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Desperately needs a life
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Join Date: May 2002
Location: Nevada, USA
Posts: 3,448
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AND some clockport sound cards
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#10 | |||||||||
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Cult Member
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Join Date: Jul 2004
Posts: 942
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Quote:
I've also seen PS/2 mouse adapters and external keyboard adapters fit into that space. I think the two most common uses though are for external scsi port from a trapdoor accelerator or a DB25 fast serial port connector (hypercom, silversurfer, twister, etc.). |
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#11 | ||||||||||
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Technoid
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Join Date: Jan 2008
Location: Boston, UK
Posts: 394
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Quote:
Dave G 8-) |
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#12 | ||||||||
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Desperately needs a life
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The 1200 version of the Dataflyer adds 5 more devices to the internal IDE connector.
It "reserve" the two first channels to the IDE and the 5 next channels are for SCSI "1" devices. I have a 4000 version attached to the internal IDE port and it works like a charm (little hack).
__________________
Goodbye people. I'll pop on from time to time, RL is acting up. |
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#13 | ||||||||
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Cult Member
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Join Date: Jun 2005
Posts: 666
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Hi
[ scandoubler ] http://www.commodore-amiga-retro.com/amiga/a_scuzz_jan05/a_scuzz_feb12_04.jpg [ Blizzard SCSI KIT off the Blizzard ] http://www.commodore-amiga-retro.com/amiga/a_scuzz_nov02/a_scuzz_nov02_221.jpg http://www.commodore-amiga-retro.com/amiga/a_scuzz_nov02/a_scuzz_nov02_220.jpg .... PS that's what the little hole in the bottom of the Amiga is for .. To screw the holding plate for the port in place. Tricky getting the ribbon through... You need an A level in Origami scuzz http://www.commodore-amiga-retro.com |
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| trap , rear , door , amiga , 1200 |
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