The Definitive Guide to CPS2 Conversions

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    • Apocalypse wrote:

      Wall-Garants wrote:

      In HSF2 conversions, I noticed that the eprom 01 needs to be 12.75v, I used some NEC 27c1000 12v, NEC 27c1001 12.5v and others with the voltage table does not work well, in file 02 it can be used more in 01 only worked with AMD 27c010 12.75v.
      Makes no sense to me. You're talking about Vpp which is only used during programming. Or maybe you mean your programmer can only do 12.75V EPROMs.A determining factor however is the chip speed (express in ns access time).
      I use a top3000 to record the eproms, this programmer records most of the cps2 eproms minus the Sony, when I use an eprom in the HSF2 and SSF2x 01 file other than the 27c010 12.75 the sound is faulty, in all that I converted happened that.
    • Wall-Garants wrote:

      I use a top3000 to record the eproms, this programmer records most of the cps2 eproms minus the Sony, when I use an eprom in the HSF2 and SSF2x 01 file other than the 27c010 12.75 the sound is faulty, in all that I converted happened that.
      Have you checked the chips speed?
      Looking for:
      - faulty Hang-On, Space Harrier or Enduro Racer (2203 sound board)
      - Sega Mega-CD 1 power board
      - Super Nintendo CPU (3 needed)



      "I'd 1cc games but I have a real life."
      01010011 01000101 01000011 01010010 01000101 01010100 00100000 01001101 01000101 01001110 01010101 00100000 01000111 01010101 01011001
    • Apocalypse wrote:

      Wall-Garants wrote:

      I use a top3000 to record the eproms, this programmer records most of the cps2 eproms minus the Sony, when I use an eprom in the HSF2 and SSF2x 01 file other than the 27c010 12.75 the sound is faulty, in all that I converted happened that.
      Have you checked the chips speed?
      Where do I see the speed? in the programmer you don't have many configuration options.
    • Wall-Garants wrote:

      Where do I see the speed? in the programmer you don't have many configuration options.
      It's part of the reference printed on the chip.
      Looking for:
      - faulty Hang-On, Space Harrier or Enduro Racer (2203 sound board)
      - Sega Mega-CD 1 power board
      - Super Nintendo CPU (3 needed)



      "I'd 1cc games but I have a real life."
      01010011 01000101 01000011 01010010 01000101 01010100 00100000 01001101 01000101 01001110 01010101 00100000 01000111 01010101 01011001
    • Wall-Garants wrote:

      Apocalypse wrote:

      Wall-Garants wrote:

      I use a top3000 to record the eproms, this programmer records most of the cps2 eproms minus the Sony, when I use an eprom in the HSF2 and SSF2x 01 file other than the 27c010 12.75 the sound is faulty, in all that I converted happened that.
      Have you checked the chips speed?
      Where do I see the speed? in the programmer you don't have many configuration options.
      ex : 27c4096 -12(that "12" means speed ... 120ns) ... -15 ... 150ns , 10 ... 100ns ... 50f1 - 50ns.
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    • O que outras pessoas estão dizendo

      AlxUnderBase wrote:

      Wall-Garants wrote:

      Apocalypse wrote:

      Wall-Garants wrote:

      I use a top3000 to record the eproms, this programmer records most of the cps2 eproms minus the Sony, when I use an eprom in the HSF2 and SSF2x 01 file other than the 27c010 12.75 the sound is faulty, in all that I converted happened that.
      Have you checked the chips speed?
      Where do I see the speed? in the programmer you don't have many configuration options.
      ex : 27c4096 -12(that "12" means speed ... 120ns) ... -15 ... 150ns , 10 ... 100ns ... 50f1 - 50ns.

      thanks for the info and me thinking this was the voltage of eprom, eproms from NEC 12 and Mitsubishi from 15 do not work well with the audio file 01.
    • Alright. My 19xxj Phoenix'ed-back-to-MAME effort is semi-working. The big part of the problem was finding a rom for it that had the proper files (thanks @xodaraP!). Used aje_fr's CPS2 Suicide Free mod chip and took hints from undamned Infinikey install to figure out where to tap +5v and Gnd.

      It boots, but there are artifacts on screen. I washed the board thoroughly. No need to reset jumpers because it was working just fine as a Phoenixed board. Actually, there are no solder blobs on the jumpers at all, so traces are intact under the PCB from factory. Everything is well seated. What do you think, bad burns?

      EDIT: Rev4 board running PAL-E from factory.

    • xodaraP wrote:

      Looks like bad connections between A and B to me. Try reseating a few times
      And you'd be correct.

      Seems there is something wrong with one of my A-boards. Moved the B-Board to another PCB and artifacts went away. Moved the known good HSF2 B-board conversion to the same A-board and got the same video artifacts. Will wash that A-Board good and reflow solder where needed.

      I also had an unpopulated Rev3 X-men vs. Street Fighter board that I tried to use unsuccessfully for the multi years ago. Recycled the EPROM's from it long ago but kept the mask roms. Resurrected that B-board today with new EPROM's and aje_fr's Suicide Free mod chip too. I still have to check that rev4 B-Board from the earlier HSF2 attempt. Seems it is faulty somehow.

      Also, I had some DIP8 sockets and SOIC8-to-DIP8 PCB's laying around. Put them together so that I could easily reprogram the PIC's if I made a mistake with burns using aje_fr's solution.
    • Can anybody help me out, looking to convert a battle circuit conversion to a dimahoo (I have the dark soft multi so going to use this board for a vert game) I don’t have a burner capable of 42 pin so Iam going to order the chips online, can anyone tell me what I need to get burned and on what type of chips? I presume I’ll need a gal also as battle circuit is D and dimahoo is G can I get these on buyicnow too?
      My Cabs: NNC X 2, Astro City x 2, Atomiswave x 1, Dino King x 2, Outrun cabaret, Cocktails x 2