Search found 238 matches

by troed
Sun Apr 08, 2018 6:16 pm
Forum: FLOPPY DRIVES KITS & UPGRADES
Topic: Recapping floppy drives
Replies: 5
Views: 437

Re: Recapping floppy drives

exxos wrote:
Sun Apr 08, 2018 6:04 pm
I did this one..
Perfect!! I'll start with the Sony then :D
by troed
Sun Apr 08, 2018 5:03 pm
Forum: HARDWARE DISCUSSIONS
Topic: LED's and using the right colour for the right Atari ST Model
Replies: 2
Views: 288

Re: LED's and using the right colour for the right Atari ST Model

Yeah these are missing from the table. 1040STF with red led, might have long button drives but not always, and I think all of them are 8.01MHz CPUs (since they don't need PAL color clock)
by troed
Sun Apr 08, 2018 2:46 pm
Forum: FLOPPY DRIVES KITS & UPGRADES
Topic: Recapping floppy drives
Replies: 5
Views: 437

Recapping floppy drives

(a.k.a, bring back the dead) I have two piles of floppy drives in the closet. One of drives that no longer work, one of working drives. Usually I try really hard to source Epson 340 drives so that I can move the front bezel and eject button from the dead 380 to them, but after a while I run out of d...
by troed
Sat Apr 07, 2018 2:17 pm
Forum: HARDWARE DISCUSSIONS
Topic: When is a ST not a ST anymore ?
Replies: 55
Views: 2801

Re: When is a ST not a ST anymore ?

it was only the 260ST and 520ST{F}{M} didn't have the blitter, the 1040ST{F}{M} did have one, it's still an STFM, just with the option installed. Umm no. Some STF(M) motherboard revisions do have solder pads for a blitter, but no socket, and the same motherboards were used for both 520 and 1040 jus...
by troed
Sat Apr 07, 2018 9:02 am
Forum: STFM
Topic: C103175 REV 1 (520 STFM)
Replies: 4
Views: 754

Re: C103175 REV 1 (520 STFM)

This looks a lot like my C103414-001 board. It has the same IMP chipset, layout is similar only on your board the memory is through hole. On my board, the memory is also SMT. The pinout of those DRAM’s should be the same as on mine, only the package is different. On my board, we’ve removed the 256k...
by troed
Fri Apr 06, 2018 5:43 pm
Forum: STFM
Topic: C103175 REV 1 (520 STFM)
Replies: 4
Views: 754

C103175 REV 1 (520 STFM)

520_stfm_c103175_rev1.JPG
520_stfm_c103175_rev1.JPG (3.01 MiB) Viewed 754 times
(This is an "IMP ST" - all chips are IMP versions. DMA and Shifter in sockets)
by troed
Fri Apr 06, 2018 2:21 pm
Forum: HARDWARE DISCUSSIONS
Topic: When is a ST not a ST anymore ?
Replies: 55
Views: 2801

Re: When is a ST not a ST anymore ?

BUT. if we ran at exactly 200% speed "across the system" then demo coders can likely tweak software and use the same tricks again.. So while a booster will break stuff, timings are exactly 200%. So software can be fixed, and we still have the option to run compatible software on a accelerated machi...
by troed
Fri Apr 06, 2018 7:48 am
Forum: STE V1 32MHz BOOSTER
Topic: STE V1.5 32MHz BOOSTER - STATUS
Replies: 232
Views: 9551

Re: STE V1.5 32MHz BOOSTER - STATUS

May be it's time to build a small CNC out of a broken 3D printer :) and use something like a small stack of acrylic sheet glued together after cutting them to make a fake CPU. Just thinking out loud here :) Rodolphe A friend of mine has a 3D-printer sized CNC, AFAIK it wasn't very expensive. He's e...
by troed
Thu Apr 05, 2018 10:45 pm
Forum: HARDWARE DISCUSSIONS
Topic: When is a ST not a ST anymore ?
Replies: 55
Views: 2801

Re: When is a ST not a ST anymore ?

What does everything think ? I drew the line at the CosmosEx, but I'm fine hanging a USB host on the ACSI. Also, if something it's 100% compatible then I don't consider it "real", so while the Suska might be (I don't know) the MiST isn't. I would be all for replacing _some_ of the custom chips with...
by troed
Thu Apr 05, 2018 9:03 pm
Forum: TWEAKS & FIXES
Topic: Hissing and whistling in the STe audio output
Replies: 46
Views: 2314

Re: Hissing and whistling in the STe audio output

Yeah the infamous 2600Hz is still there - as well as the video frequency (~15.7kHz). Depending on which quiet section I analysed the first harmonic at 5200 was more or less pronounced.


Screen Shot 2018-04-05 at 22.01.10.png
Screen Shot 2018-04-05 at 22.01.10.png (81.5 KiB) Viewed 460 times