![]() ![]() This board came withĪnd adjusted Panasonic MSX Audio ROM and with 256KB sample memory. (MSXPró) released an expander PCB for the Philips Music Module. The instruction starts with a little background:īack in 2005 Brazilian MSX users Fábio Ricardo Schmidlin (FRS) and Luciano Sturaro This extension comes with an online build-in instruction that can be downloaded from Supersoniqs Website Last MSX Fair in Tilburg I’ve bought the MSX Audio Extension Expander from Bas Kornalijnslijper. I also use Quasar’s Megareport to do an extra check.Īlso when booting, notice the new MSX2plus Boot Logo: Now it’s time to test the upgraded NMS8245, to see if it’s a MSX2+ There is a nice place to solder it right above pin 48. Step 15 : Make the following connections: Step 14 : Solder the Kanji + Bootlogo Rom on top of the Systemrom. Step 13 : Bend the following pins on the Kanji + Bootlogo Rom, so they are not connected: Step 12 : Remove the current Systemrom and Place the new Systemrom in the socket. (For a 27C256 skip the 2nd half of this Rom)ĭon’t forget to verify your Rom after burning. The Kanji + Bootlogo Rom has the following layout: ![]() Step 11 : Burn the Kanji + Bootlogo Rom on a 27C256 or 27C512 Eprom. Step 10 : Burn the Systemrom on a 27C512 Eprom. Step 8 : Place the heatsink on top of the V9958 Step 7 : Apply cooling paste on the V9958 and some drops of glue. Step 5 : Make the following connections :Ĭonnect Pin 1 – 4 – 27 on the V9958 itself.Ĭonnect Pin 21 on the V9958 to Pin 58 (I chose to use the printspot 58, so I have don’t have to solder to much on the V9958) Place the V9958 in the socket with Pin1 (the little dot on the V9958) on the side of the notch. Step 4 : On the V9958 these pins have to be bend so they are not inserted into the socket: Notice that the little notch in the socket is aligned with the notch printed on the mainboard.ĭon’t solder the new V9958 directly on the mainboard. Step 3 : Place an IC socket on the empty space, where the V9938 is removed. Step 2 : Remove the V9938 by cutting all pins and then desolder the pins from the mainboard.Īlso remove the heatsink by cutting it directly above the mainboard. Step 1 : Remove the mainboard from the NMS8245 ![]() Since I’m upgrading a NMS8245 that already has a memory upgrade, this first image is for reference only.įor this upgrade I’m using blue solid wire (please ignore all other colored wires) (thank you Philip for making this post possible) This blogpost will describe this upgrade step by step supported with pictures and the necessary ROM files to do this upgrade your self. User Philip has posted a forumpost on msx.org on how to upgrade a NMS8245 to a MSX2plus. ![]()
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |