Search found 3 matches

by trilioni
Tue Nov 28, 2006 4:34 pm
Forum: My motherboard is dead
Topic: POST test card schematics anyone?
Replies: 1
Views: 3711

POST test card schematics anyone?

I have searched up and down the net and I can’t find schematics for PCI POST test card. I have searched this forum also, but the postings which mentioned ISA and PCI post card schematics are old and the links seem not to work anymore.
If someone can share a website link or attach the schematics ...
by trilioni
Mon Nov 27, 2006 3:03 pm
Forum: My motherboard is dead
Topic: J-Mark (JetWay?) J-630BF missing BIOS chip
Replies: 3
Views: 4317

Does the motherboard get any power on BIOS chip pins without any CPU or add-on card installed? Or do i have to measure V with cpu in the socket and memory in the slots?
One more thing, can i use EPROM instead? (27c020) I assume the only differnece in pinounts is pin 1 which is Vpp - Program Supply ...
by trilioni
Sun Nov 26, 2006 9:14 pm
Forum: My motherboard is dead
Topic: J-Mark (JetWay?) J-630BF missing BIOS chip
Replies: 3
Views: 4317

J-Mark (JetWay?) J-630BF missing BIOS chip

I have one motherboard that has an BIOS chip completely missing. Can someone tell me what kind of a chip should i use, or what kind of chip the mobo came with? Found the image of the bios that has the size of 256kb so i guess it is 2MB FLASH chip. Am i right? Is there any pin difference between ...