Cuzza's Sega SC-3000H Nano-ITX Mod

Cuzza · 07-05-2009, 02:52 PM

Here's the old Sega in all its glory:

Some info:

The SC-3000 is a computer based on the hardware of the first videogame system released by Sega in Japan : the SG-1000 series. It can use the same game cartridges marketed for these consoles.

The SC-3000 Computer was released in 1983 by SEGA in Japan. It became a competitor of many others 8 bit based computers and its popularity was different in each country it was introduced.

It was mainly sold in Japan, and two important overseas market: Australia & New Zealand. It has found a little distribution in South Africa, Italy and Spain. Probably there were also some sales in other countries but very little is known about this computer and it is difficult to find out precise information.

This one is stuffed. So I plan to rip out the guts of this thing and put something useful inside, namely a nano-itx board and supporting hardware. Stay tuned....

Cuzza · 07-05-2009, 03:14 PM

So, first thing I want to know is can I get the keyboard to work?

I think so. Can use one of these:

This guy gives you an idea of how it will work.

Some more web searching led me to the key matrix for the Sega:

Pulled the kb off, it connects with some nice green ribbons:

So I took the keyboard right to bits to see which connection on the ribbons goes where. Then put all the info together, this is the plan:

h3llb3nd4 · 07-05-2009, 03:18 PM

wow that is complicated!!

G/L man! can't wait to see the end product!!

Cuzza · 07-05-2009, 03:24 PM

Quote:

Originally Posted by h3llb3nd4

wow that is complicated!!

G/L man! can't wait to see the end product!!

thanks bud. keep watching, i'm going to need moral support when time comes to buy the parts

h3llb3nd4 · 07-05-2009, 03:30 PM

Quote:

Originally Posted by Cuzza

thanks bud. keep watching, i'm going to need moral support when time comes to buy the parts

np man

I shall see this project to the end...

Th0rn0 · 07-05-2009, 04:33 PM

Wow. Very cool idea. Looking forward to seeing this complete and I love the keyboard

Mark_Hardware · 07-05-2009, 08:16 PM

It's beyond me my friend good luck

erocker · 07-05-2009, 08:19 PM

Awsome Cuzza! I was a big Sega fanboy back in the day, can't wait to see it in action.

Yukikaze · 07-05-2009, 08:20 PM

Tag!

I wanna see this happen. Very cool idea.

MKmods · 07-05-2009, 08:42 PM

Subscribed

It looks like you could use a bunch of plugs from old LEDs,Power/reset switches to test that out.

Cuzza · 07-06-2009, 02:31 AM

Here's the news: New Zealand is pretty light on retailers/etailers/suppliers/anyone who I can buy the nano-ITX stuff i'm going to need for this project. And the ones who do often charge extortionate prices so I think that some complicated international ordering is going to have to happen here

Back to proceedings; now I always love reading other people's detailed project logs on TPU so I'm going to try to be in-depth here to pay that one forward as it were. I hope you guys like it.

Here's the Sega with the keyboard off:

Note build date 1983, same age as me, even has the same initials, SC! I think this was meant to be.

Here it is in bits. I threw the old circuit board out, it was stuffed, salvaged a couple of the headers (I need the keyboard connection ones) and some resistors that was about all.

Now, what can I fit in here? Made some quick templates to see what will work?

Mini-ITX it seems is possible, but very VERY difficult, because the case narrows so much at the front:

So the board would fit but the heatsink would not, nor would the memory module. The heatsink could be swapped for a heatpipe latop jobbie, that would work but how to make the memory fit? Are 90deg DIMM risers available? I couldn't find one low enough. I know someone who's posted here who likes resoldering motherboards, maybe he would like to solder a bunch of floppy cables to 240 pins beneath the board and mount the DIMM slot somewhere else (as a personal favour).

No, I think that idea is just crazy. I mean the guy ansking this question seems to have been working on it for 7 years and failed. So I'll go with Nano-ITX instead.

MKmods · 07-06-2009, 02:35 AM

you could mount the mobo upside down below the keyboard (sticking out the bottom with a bit taller feet)

mlee49 · 07-06-2009, 02:35 AM

What if you mounted the M-Itx upside down?

damn it, cut off my MkMods. good thing he's here to help, I'm afraid I suck.

HammerON · 07-06-2009, 02:36 AM

Cool project!
Subscribed~

MKmods · 07-06-2009, 02:37 AM

Quote:

Originally Posted by mlee49

What if you mounted the M-Itx upside down?

damn it, cut off my MkMods. good thing he's here to help, I'm afraid I suck.

great minds think alike

Right now the Intel Atom 330 is a pretty good deal....If you want REALLY cheap PM me as I have my old VIA EPIA PD in the closet somewhere...(and a 200 watt PS)
http://www.mini-box.com/s.nl;jsessio...8&category=981

Cuzza · 07-06-2009, 02:37 AM

Quote:

Originally Posted by MKmods

you could mount the mobo upside down below the keyboard (sticking out the bottom with a bit taller feet)

Quote:

Originally Posted by mlee49

What if you mounted the M-Itx upside down?

damn it, cut off my MkMods. good thing he's here to help, I'm afraid I suck.

Good idea, had not thought of that. but it wouldn't help, the keyboard atcually takes up more space inside the case that the pictures show, so the board's appendages would still hit the other side. I will keep the suggestion in mind!

Cuzza · 07-06-2009, 02:56 AM

On a posting mission here, so I'll post some more.

Here's the Nano-ITX board I'm thinking of getting, Via's EPIA-NX

Great thing about it is everything is very low to the board and all the connectors plug onto board headers, so I can mount them easily into the side of the case no matter where I mount the board.

Now some people have suggested I get one with an Intel Atom. That sounds like a pretty good idea, but I haven't found an Atom board with the same packaging flexibility of this one. (actually I haven't looked very hard, I think there's a Via fanboy deep within me somewhere, lol).

Still wide open to suggestions here, so fire away if you have any.

Cuzza

MKmods · 07-06-2009, 03:04 AM

here are a couple shots of the Via EPIA PD... Notice the ps mounted in the background, very low profile (especially for 200 watts)

LOL, I just priced the Epia Nano

http://www.idotpc.com/TheStore/pc/vi...&idproduct=482

Cuzza · 07-06-2009, 03:10 AM

Quote:

Originally Posted by MKmods

here are a couple shots of the Via EPIA PD... Notice the ps mounted in the background, very low profile (especially for 200 watts)

LOL, I just priced the Epia Nano

No memory on that board? Audio plug connector is too tall anyway!

Oh yeah, not cheap, but hey, as far as the internet can tell me, no one has done this before. So I think it's worth it to break new ground.

EDIT:

Have found a New Zealand retailer for this Via board. NZ$607! = US$382 oh noes...

EDIT 2:

I see idotPC ships international. Will see how much that charge is...

Cuzza · 07-06-2009, 03:03 PM

I'm a bit stuck here

These are the headers off the Sega board which the keyboard matrix ribbons plug into

Now the ribbons go into these and then I need to connect the pins to the floppy cable somehow. I don't want to solder the wires directly onto the pins. Any suggestions?

craigbru · 07-06-2009, 03:25 PM

Very cool project. I always love when someone takes older hardware and updates it. I'll be watching, and good luck!

Cuzza · 07-07-2009, 11:00 AM

Hey team, here's what I've done today.

Realised the original key diagram was wrong. Updated:

Managed to answer my own question of how to connect the keyboard ribbon headers, by making an adaptor board. This will also save connecting the floppy cable wires individually. here's the plan:

Nice pretty picture. Easier drawn than made though! Went and bought some bits and set to work soldering. I have never soldered a circuit board before so I quickly found my technique left a lot of room for improvement, but four hours later it was done:

And the bottom, not so pretty!

It all works though; I tested all the connections with the multimeter, everything seems just fine. Here it is connected:

Phew, it has been a hard day to produce that, and my room is a mess! I have too much time on my hands. Luckily my assistant is working hard....

Damn, I am totally committed now, no excuses. Things are looking good on the job front so I should be able to afford the bits I can't make.

Peace out
Cuzza

Yukikaze · 07-07-2009, 11:03 AM

Looking good !

Mark_Hardware · 07-07-2009, 01:44 PM

lol @ the kitty....
I will definitely be watching this. I am planning a mini ITX build in the future so I am always interested in what hardware people use.

h3llb3nd4 · 07-07-2009, 03:52 PM

GUd progress! cant wait

07-05-2009, 02:52 PM	#1
Cuzza Join Date: Jul 2007 Location: New Zealand Posts: 758 (0.87/day) Thanks: 87 Thanked 139 Times in 116 Posts System Specs	Cuzza's Sega SC-3000H Nano-ITX Mod Here's the old Sega in all its glory: Some info: The SC-3000 is a computer based on the hardware of the first videogame system released by Sega in Japan : the SG-1000 series. It can use the same game cartridges marketed for these consoles. The SC-3000 Computer was released in 1983 by SEGA in Japan. It became a competitor of many others 8 bit based computers and its popularity was different in each country it was introduced. It was mainly sold in Japan, and two important overseas market: Australia & New Zealand. It has found a little distribution in South Africa, Italy and Spain. Probably there were also some sales in other countries but very little is known about this computer and it is difficult to find out precise information. This one is stuffed. So I plan to rip out the guts of this thing and put something useful inside, namely a nano-itx board and supporting hardware. Stay tuned.... __________________ My Sega Mod Project “but oh ze noes! i can't convert my porn to iphone so i can watch in the bus .. it doesnt support cuda / badaboom.” -W1zzard "For one believes he may eat all things, but he who is weak eats only vegetables." - Romans 14:2

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Memory:	2x512Mb DDR266
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CRT/LCD Model:	22" Chimei LCD
Case:	Beige!
PSU:	Enermax Liberty 400W Modular
Software:	Windows XP

07-05-2009, 03:14 PM	#2
Cuzza Join Date: Jul 2007 Location: New Zealand Posts: 758 (0.87/day) Thanks: 87 Thanked 139 Times in 116 Posts System Specs	So, first thing I want to know is can I get the keyboard to work? I think so. Can use one of these: This guy gives you an idea of how it will work. Some more web searching led me to the key matrix for the Sega: Pulled the kb off, it connects with some nice green ribbons: So I took the keyboard right to bits to see which connection on the ribbons goes where. Then put all the info together, this is the plan: __________________ My Sega Mod Project “but oh ze noes! i can't convert my porn to iphone so i can watch in the bus .. it doesnt support cuda / badaboom.” -W1zzard "For one believes he may eat all things, but he who is weak eats only vegetables." - Romans 14:2

System Name:	Frustration
Processor:	AMD AthlonXP 2400+ Thoroughbred
Motherboard:	ECS K7S5A
Memory:	2x512Mb DDR266
Video Card:	ATI 9800SE (softmodded)
Harddisk:	120Gb Samsung
CRT/LCD Model:	22" Chimei LCD
Case:	Beige!
PSU:	Enermax Liberty 400W Modular
Software:	Windows XP

07-05-2009, 03:18 PM	#3
h3llb3nd4 Join Date: Feb 2009 Location: Durban, South Africa Posts: 2,907 (10.42/day) Thanks: 372 Thanked 310 Times in 277 Posts System Specs	wow that is complicated!! G/L man! can't wait to see the end product!! __________________ Steam ID ^^Join The club!! click the red x^^ WCG TPU avatar Request thread www.h3llb3nd4.deviantart.com

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07-05-2009, 04:33 PM	#6
Th0rn0 Join Date: Mar 2009 Location: Yorkshire, UK Posts: 331 (1.28/day) Thanks: 17 Thanked 43 Times in 42 Posts System Specs	Wow. Very cool idea. Looking forward to seeing this complete and I love the keyboard __________________ Main Rig (tehHulk) : Windows 7 64bit Build 7100, Phenom II x4 955, Asus M4A79 Deluxe, 8GB PC6400 Crucial Ballistix, nVidia 8800GTX@660mhz - 1400mhz, 250GB main, 300Gb media, 120GB external Pron. Water Loop[ : Heatkiller v3, MP220 Rad, MCP350 Pump /w Acrylic Res top. My Watercooling Thread. My Pimped PC

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07-05-2009, 08:16 PM	#7
Mark_Hardware Join Date: Nov 2008 Location: Az Posts: 225 (0.62/day) Thanks: 48 Thanked 39 Times in 38 Posts System Specs	It's beyond me my friend good luck __________________ Never trust a computer you can't throw out a window. Steve Wozniak Why is it drug addicts and computer afficionados are both called users? Clifford Stoll Project; Mark1

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07-05-2009, 08:19 PM	#8
erocker Moderator Join Date: Jul 2006 Posts: 15,915 (13.04/day) Thanks: 1,107 Thanked 3,347 Times in 2,673 Posts	Awsome Cuzza! I was a big Sega fanboy back in the day, can't wait to see it in action.

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07-05-2009, 08:20 PM	#9
Yukikaze Join Date: Sep 2008 Posts: 584 (1.38/day) Thanks: 53 Thanked 97 Times in 67 Posts System Specs	Tag! I wanna see this happen. Very cool idea. __________________ HD4350 @ PCI-E x1 via Dremel "Someday girl, I don't know when, were gonna get to that place Where we really want to go, and we'll walk in the sun But 'till then, tramps like us - Baby we were Born To Run !" - Bruce Springsteen, "Born To Run". Bring Back Terminator: The Sarah Connor Chronicles !

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07-05-2009, 08:42 PM	#10
MKmods Case Mod Guru Join Date: Feb 2008 Location: Nevada Posts: 3,844 (6.07/day) Thanks: 2,459 Thanked 1,449 Times in 1,100 Posts System Specs	Subscribed It looks like you could use a bunch of plugs from old LEDs,Power/reset switches to test that out. __________________ Buy tin snips FIRST! Last edited by MKmods; 07-05-2009 at 08:51 PM.

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07-06-2009, 02:31 AM	#11
Cuzza Join Date: Jul 2007 Location: New Zealand Posts: 758 (0.87/day) Thanks: 87 Thanked 139 Times in 116 Posts System Specs	Here's the news: New Zealand is pretty light on retailers/etailers/suppliers/anyone who I can buy the nano-ITX stuff i'm going to need for this project. And the ones who do often charge extortionate prices so I think that some complicated international ordering is going to have to happen here Back to proceedings; now I always love reading other people's detailed project logs on TPU so I'm going to try to be in-depth here to pay that one forward as it were. I hope you guys like it. Here's the Sega with the keyboard off: Note build date 1983, same age as me, even has the same initials, SC! I think this was meant to be. Here it is in bits. I threw the old circuit board out, it was stuffed, salvaged a couple of the headers (I need the keyboard connection ones) and some resistors that was about all. Now, what can I fit in here? Made some quick templates to see what will work? Mini-ITX it seems is possible, but very VERY difficult, because the case narrows so much at the front: So the board would fit but the heatsink would not, nor would the memory module. The heatsink could be swapped for a heatpipe latop jobbie, that would work but how to make the memory fit? Are 90deg DIMM risers available? I couldn't find one low enough. I know someone who's posted here who likes resoldering motherboards, maybe he would like to solder a bunch of floppy cables to 240 pins beneath the board and mount the DIMM slot somewhere else (as a personal favour). No, I think that idea is just crazy. I mean the guy ansking this question seems to have been working on it for 7 years and failed. So I'll go with Nano-ITX instead. __________________ My Sega Mod Project “but oh ze noes! i can't convert my porn to iphone so i can watch in the bus .. it doesnt support cuda / badaboom.” -W1zzard "For one believes he may eat all things, but he who is weak eats only vegetables." - Romans 14:2

07-06-2009, 02:35 AM	#12
MKmods Case Mod Guru Join Date: Feb 2008 Location: Nevada Posts: 3,844 (6.07/day) Thanks: 2,459 Thanked 1,449 Times in 1,100 Posts System Specs	you could mount the mobo upside down below the keyboard (sticking out the bottom with a bit taller feet)

07-06-2009, 02:35 AM	#13
mlee49 Join Date: Dec 2007 Location: KU Posts: 3,356 (4.83/day) Thanks: 615 Thanked 648 Times in 585 Posts System Specs	What if you mounted the M-Itx upside down? damn it, cut off my MkMods. good thing he's here to help, I'm afraid I suck. __________________ My Watercooling Loop Heatware: Mlee49 46-0

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07-06-2009, 02:36 AM	#14
HammerON Join Date: Mar 2009 Location: Somewhere in Alaska Posts: 632 (2.39/day) Thanks: 401 Thanked 167 Times in 120 Posts System Specs	Cool project! Subscribed~ __________________ Please help the TPU WCG Team ~ Start crunching now

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07-06-2009, 02:56 AM	#17
Cuzza Join Date: Jul 2007 Location: New Zealand Posts: 758 (0.87/day) Thanks: 87 Thanked 139 Times in 116 Posts System Specs	On a posting mission here, so I'll post some more. Here's the Nano-ITX board I'm thinking of getting, Via's EPIA-NX Great thing about it is everything is very low to the board and all the connectors plug onto board headers, so I can mount them easily into the side of the case no matter where I mount the board. Now some people have suggested I get one with an Intel Atom. That sounds like a pretty good idea, but I haven't found an Atom board with the same packaging flexibility of this one. (actually I haven't looked very hard, I think there's a Via fanboy deep within me somewhere, lol). Still wide open to suggestions here, so fire away if you have any. Cuzza __________________ My Sega Mod Project “but oh ze noes! i can't convert my porn to iphone so i can watch in the bus .. it doesnt support cuda / badaboom.” -W1zzard "For one believes he may eat all things, but he who is weak eats only vegetables." - Romans 14:2

07-06-2009, 03:04 AM	#18
MKmods Case Mod Guru Join Date: Feb 2008 Location: Nevada Posts: 3,844 (6.07/day) Thanks: 2,459 Thanked 1,449 Times in 1,100 Posts System Specs	here are a couple shots of the Via EPIA PD... Notice the ps mounted in the background, very low profile (especially for 200 watts) LOL, I just priced the Epia Nano http://www.idotpc.com/TheStore/pc/vi...&idproduct=482

07-06-2009, 03:03 PM	#20
Cuzza Join Date: Jul 2007 Location: New Zealand Posts: 758 (0.87/day) Thanks: 87 Thanked 139 Times in 116 Posts System Specs	I'm a bit stuck here These are the headers off the Sega board which the keyboard matrix ribbons plug into Now the ribbons go into these and then I need to connect the pins to the floppy cable somehow. I don't want to solder the wires directly onto the pins. Any suggestions? __________________ My Sega Mod Project “but oh ze noes! i can't convert my porn to iphone so i can watch in the bus .. it doesnt support cuda / badaboom.” -W1zzard "For one believes he may eat all things, but he who is weak eats only vegetables." - Romans 14:2

07-06-2009, 03:25 PM	#21
craigbru Join Date: Jul 2009 Posts: 89 (0.62/day) Thanks: 32 Thanked 33 Times in 29 Posts	Very cool project. I always love when someone takes older hardware and updates it. I'll be watching, and good luck! __________________ Losias.net & Forums... SFF modding taken to the next level.

07-07-2009, 11:00 AM	#22
Cuzza Join Date: Jul 2007 Location: New Zealand Posts: 758 (0.87/day) Thanks: 87 Thanked 139 Times in 116 Posts System Specs	Progress.... Hey team, here's what I've done today. Realised the original key diagram was wrong. Updated: Managed to answer my own question of how to connect the keyboard ribbon headers, by making an adaptor board. This will also save connecting the floppy cable wires individually. here's the plan: Nice pretty picture. Easier drawn than made though! Went and bought some bits and set to work soldering. I have never soldered a circuit board before so I quickly found my technique left a lot of room for improvement, but four hours later it was done: And the bottom, not so pretty! It all works though; I tested all the connections with the multimeter, everything seems just fine. Here it is connected: Phew, it has been a hard day to produce that, and my room is a mess! I have too much time on my hands. Luckily my assistant is working hard.... Damn, I am totally committed now, no excuses. Things are looking good on the job front so I should be able to afford the bits I can't make. Peace out Cuzza __________________ My Sega Mod Project “but oh ze noes! i can't convert my porn to iphone so i can watch in the bus .. it doesnt support cuda / badaboom.” -W1zzard "For one believes he may eat all things, but he who is weak eats only vegetables." - Romans 14:2

07-07-2009, 11:03 AM	#23
Yukikaze Join Date: Sep 2008 Posts: 584 (1.38/day) Thanks: 53 Thanked 97 Times in 67 Posts System Specs	Looking good ! __________________ HD4350 @ PCI-E x1 via Dremel "Someday girl, I don't know when, were gonna get to that place Where we really want to go, and we'll walk in the sun But 'till then, tramps like us - Baby we were Born To Run !" - Bruce Springsteen, "Born To Run". Bring Back Terminator: The Sarah Connor Chronicles !

07-07-2009, 01:44 PM	#24
Mark_Hardware Join Date: Nov 2008 Location: Az Posts: 225 (0.62/day) Thanks: 48 Thanked 39 Times in 38 Posts System Specs	lol @ the kitty.... I will definitely be watching this. I am planning a mini ITX build in the future so I am always interested in what hardware people use. __________________ Never trust a computer you can't throw out a window. Steve Wozniak Why is it drug addicts and computer afficionados are both called users? Clifford Stoll Project; Mark1

07-07-2009, 03:52 PM	#25
h3llb3nd4 Join Date: Feb 2009 Location: Durban, South Africa Posts: 2,907 (10.42/day) Thanks: 372 Thanked 310 Times in 277 Posts System Specs	GUd progress! cant wait __________________ Steam ID ^^Join The club!! click the red x^^ WCG TPU avatar Request thread www.h3llb3nd4.deviantart.com

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