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V7 and DMS3 Install Problems
V7 and DMS3 Install Problems –
NTSC V7 PS2 and DMS3 v2.0
With the mod chip installed, turning on the PS2 results in a black screen and after a few seconds the laser begins making a loud clicking sound.
If I remove the ground and 3.3 volt wires from the chip, the PS2 performs normal.
I've used 30awg for all points except power and ground, which I took from a piece of CAT5 I had laying around. I've also braided the wires for points D and E and grounded the wrapped wires.
I've checked the BIOS points with multimeter and magnifying glass, none appear to be bridged.
I would appreciate it if someone could offer some advice on what may be wrong.
I thought i had a problem with my v7 w/ M2 1.30 as it was making a loud clicking noise after spinning up on dvd movies.
Turns out i didn't have the mod disabled, which is required to boot originals.
Last edited by staypuft; 05-03-2004 at 06:15 PM.
I wouldn't have thought that cat5 utp is suitable for 3.3v or ground. Try something 'fatter', 22 awg perhaps or the wire from an old PC power supply.
Switched the ground to an 18awg wire and the 3.3v to a 24awg wire.
PS2 will now boot if i disable the mod with the eject button, but i still get a black screen when turning on by tapping reset.
I redid the BIOS points, ground and 3.3v; still booting to black screen
I would really appreciate it if someone could offer some advice as to what may be wrong.
umm - are you holding down a controller button? DMS's have a different boot method...
Also see here - www.psxmodchips.net/wired.htm for a sample install picture - may help to get your's right - personally sounds like a bad install - check your points, make sure all wires are short and kept close to the PCB.
If i hold down a controller button or not, i still get a black screen.
Looking at the install, all my points appear to be correct and the wires are kept as short as possible and are not going over the bottom of the BGA's.
When booting the disc spins up and i can hear the laser seeking and tracking for 5-6 seconds, but then the disc stops. If i disable the chip with the eject button, the system performs normal.
If it is a bad install, what would be most likley causing the black screen?
If you think your points are perfect, check the continuity of each wire with a multimeter.
If it the ps2 works when the chip is disabled then there's no doubt the install/way it's installed is at issue.
Take each wire off and resolder (except the eject as that's obviously working!) I'd start with power and ground though and try again after that.
Checked each wire with the multimeter, all are fine
I've completely redone every wire 3 times now and always the same result: black screen on boot.
any other ideas?
Found the problem!
Took a close look at the DMS and there was a small ball of solder bridging two legs of one of the chips.
Thanks everyone for your help!