On Tue, 18 Dec 2001 at 12:09:27, Michael Grunditz wrote: (ref: <[EMAIL PROTECTED]>)
>This sgc is a "new" card. I found out a bad thing , there was a >litle pin in the anti static bag, in which it was devlivered. > >And its one of the more imortartant ones, the first pin wich connects >to the 020 leg. > >Why this dumb construction, having the mpu pressed down to the >contacts... Not sure what you mean by this. What is pressing on what? .... and what pin is missing? The CPU is surface mount and soldered, of course. > >/Michael Grunditz > >In message <[EMAIL PROTECTED]> you wrote: > >> On Tue, 18 Dec 2001 at 10:02:37, Michael Grunditz wrote: >> (ref: <[EMAIL PROTECTED]>) >> >> >><SGC problems snipped> >> >I pulled out the 68008 , but no it doesnt work. The first few power >> >on tests made me think there was a difference, the screen didshow >> >the weird colors, but then it went back to black. >> As the QL works without SGC then it is not the (usual) 8301 problem. >> >> Have you ever used this SGC before? >> >> Check that you have not bent any of the QL edge connector pins - it is >> very easy to do this at the ends. If so, then take off the case top, >> unscrew the motherboard (one screw only near the edge connector) and >> raise the end of the board above the case bottom. Then - maybe with a >> jewellers screwdriver, CAREFULLY bend the pin back. It is not like chip >> legs, and is very brittle. You may find the pin has a second bend in it >> half way down too. Thin long nose pliers or strong tweezers can sort >> this. >> >> I doubt if it is a power supply problem. Easy to check, just monitor >> the 5v rail on QL and SGC. >> >> Also remove and replace all plug in chips. The PLCC ones need very >> careful removal - it is easy to crack the sockets if you are not using >> the proper tool. Wiggle the ram about too - the chips sitting >> vertically. >> > -- QBBS (QL fido BBS 2:257/67) +44(0)1442-828255 mailto:[EMAIL PROTECTED] http://www.firshman.demon.co.uk Voice: +44(0)1442-828254 Fax: +44(0)1442-828255 TF Services, 29 Longfield Road, TRING, Herts, HP23 4DG
