Search found 15 matches
- Mon Apr 07, 2014 2:06 am
- Forum: Hardware
- Topic: Internal ram upgrade to 640k - continued
- Replies: 38
- Views: 21961
Re: Internal ram upgrade to 640k - continued
On the QL, there can be 'harm' from using a faster chip. The QL struggles greatly with noise, and a fast transitioning GAL can cause undesired inductances. At QL speeds, you'll never need faster than -15 parts. -20 parts are fine in every general purpose situation on the QL bus. -7 parts are often ...
- Sun Apr 06, 2014 11:37 pm
- Forum: For Sale
- Topic: Load of Microdrive Cartridges on ebay
- Replies: 6
- Views: 3837
Re: Load of Microdrive Cartridges on ebay
I'll not even look at it again, I'm drooling here
- Sun Apr 06, 2014 11:30 pm
- Forum: Hardware
- Topic: QL-SD card project
- Replies: 43
- Views: 29061
Re: QL-SD card project
Is there a person who... A) has spare time? (most important) B) wants to build the QL-SD and learn the software/hardware issues? C) owns a QL and is willing to use it for testing the QL-SD? D) can solder TQFP and components with similarly small pads? E) can deal with ROM binaries and has equipment ...
- Sun Apr 06, 2014 11:09 pm
- Forum: Hardware
- Topic: Internal ram upgrade to 640k - continued
- Replies: 38
- Views: 21961
Re: Internal ram upgrade to 640k - continued
So, what is going on here? The 640K internal expansion is SO simple and "well documented" memory expansion QL.jpg This is part of the QubIDE schematics. Just connect a 512KByte SRAM chip to the bus and the 16V8 GAL code is here: Ampliacion.zip It works, I did that in my QL and it is workin...
- Thu Mar 27, 2014 11:53 am
- Forum: Hardware
- Topic: DIY RAM EXPANSION
- Replies: 115
- Views: 60321
Re: DIY RAM EXPANSION
I built one using a 512K SRAM chip and a PAL...Now where I found this design? I'll look for it and post here
- Thu Feb 13, 2014 9:48 am
- Forum: Hardware
- Topic: Changing the small sponge on the microdrive carts
- Replies: 9
- Views: 6858
Re: Changing the small sponge on the microdrive carts
Depending on price, I'm in!RWAP wrote:Does anyone want some spare cartridges to try - I have a small stock pile....
Apparently the pieces of felt from Ikea are ideal...
Re: Antenna
You're right about the name of the connectors and the antenna!
- Thu Jan 09, 2014 11:27 pm
- Forum: For Sale
- Topic: Seen on eBay
- Replies: 155
- Views: 78210
Re: Seen on eBay
Lucky you it wasn't raining...
...or it was?
...or it was?
- Fri Jan 03, 2014 1:25 am
- Forum: For Sale
- Topic: Seen on eBay
- Replies: 155
- Views: 78210
Re: Seen on eBay
Blah, blah, blah.
Everyone complains about Ebay prices. But tell me ONE of us who sells his/her prized QL toys for little money?
And if you got microdrive carts for cheap, I want some!
Everyone complains about Ebay prices. But tell me ONE of us who sells his/her prized QL toys for little money?
And if you got microdrive carts for cheap, I want some!
- Mon Dec 16, 2013 6:43 pm
- Forum: General QL Chat
- Topic: 195 members
- Replies: 4
- Views: 3140
Re: 195 members
Many brazilians will join with time...But we are only about 10 here