Started by Petari, 09-09-2010, 14:13:56
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Quote from: Petari on 19-10-2012, 10:59:26I don't think that it will write well on Falcon and TT ever without some additional components. And I don't think that there will be much interest by those users.
QuoteCartridge port is special case - in fact, by ST it is used mostly for diagnostic purposes (service cartridge) and diverse add-ons, which were mostly something other than ROM expansions. The reason is clear: it is connected directly to CPU data bus, so allows fast transfer to ST RAM.
Quote from: paulwratt on 21-10-2012, 09:29:17...The HD I lost at christmas was 350Gb of Atari stuff on 2TB drive, of which <1% was demo/scene/ym stuff. If it had been hooked up on CATA to Falcon/TT030 I might still have it (cos write protected)BTW how does inacurate 030 timing cope with internal IDE (Falcon) and internal SCSI (TT) - (maybe not worth discussing atm)Anyway, I think should not worry about Falcon/TT write until you get more than a couple of people asking "why cant it write", but just make sure it can still read. Later more people will realize the benefits of an external IDE interface on cartridge (ie no need to open machine up to change media/drives)Yes I prefer STE too. Just need more bigger memory addons (incl FastRAM) (and PCI adapter for my 2x Silent HD5450 : )
Quote from: kovacm on 25-10-2012, 12:08:49how do you achieve so high speeds? is ROM port directly connected to MC68000 so transfer speed depends only on MC ability to read/write from register to ROM port address? NetUSBEE LAN cart for ROM port can achieve ~150KB/s on plain ST at best! how did you get 10x performance?and since I have NetUSBEE for LAN, is it possible for use both card (NetUSBEE and CATA) at same time on ROM port?EDIT: to replay to myself I just read thread http://forum.8bitchip.info/hardware-16/about-interfaceadapteradd-on-design-concepts-for-atari-st/QuoteCartridge port is special case - in fact, by ST it is used mostly for diagnostic purposes (service cartridge) and diverse add-ons, which were mostly something other than ROM expansions. The reason is clear: it is connected directly to CPU data bus, so allows fast transfer to ST RAM. but than again - why NetUSBEE is so slow? What kind of data Realtek chip provide to ROM Port? and is it possible to connect more devices on ROM port at once?
QuoteMore devices to ROM port at once ? That is very unlikely - conflict is almost certain. With CATA for sure nothing else - it uses all signals and addresses for self. Not to mention possible signal degradation because more bus load.
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