Randy.Shaw@p1.f555.n161.z1.FIDONET.ORG (Randy Shaw) (02/04/91)
To: johnm@phoenix.Princeton.EDU > - Immediately the screen comes up with a black-and-white checkerboard pattern. > At no time does the normal medium-gray screen appear. The checkerboard display > is composed of 1 cm by 3 cm rectangles, alternating either black or white, > that fill the entire screen. > - The SE had a resistor clipped to allow it to access the 4Mb of upgraded RAM. > (As one of the original run of SEs, this machine has a resistor rather than > a > jumper that required clipping to increase RAM.) Now of course it is back to > 4x256Kb SIMMs or 1Mb of RAM. > Could the clipped resistor be responsible for the bizzare startup error? Yes. The checkerboard shows up when the machine is set for a different amount of memory than it actually finds. Carefully solder the clipped part of the resistor to close the connection. -- Randy Shaw - via FidoNet node 1:125/777 UUCP: ...!uunet!hoptoad!fidogate!161!555.1!Randy.Shaw INTERNET: Randy.Shaw@p1.f555.n161.z1.FIDONET.ORG