Here are the codes I have in the PET FAQ, I am unsure if it will apply to the 8250 drive. Disk Problems: - If the disk drive flashes a number of flases repeatedly it is reporting an internal hardware fault, here is a chart: flashes: 4040 8050 # cause: location: cause location 1 - Zero Page - 6532, C1, E1 Zero Page - 6532, C1, E1 2 - ROM - H1 ROM - 2364, L1 3 - ROM - L1 ROM - 2364, H1 4 - ROM - J1 N/A 5 - Zero Page - 6530, K3, 6504, H3 Zero Page - 6530, K3, 6504, H3 6 - N/A N/A 7 - RAM - 2114, D4, D5 RAM - 2114, D4, D5 8 - RAM - 2114, E4, E5 RAM - 2114, E4, E5 9 - RAM - 2114, F4, F5 RAM - 2114, F4, F5 10 - ROM - 6530, K3, 6504, H3 ROM - 6530, K3, 6504, H3 -- 01000011 01001111 01001101 01001101 01001111 01000100 01001111 01010010 01000101 Larry Anderson - Sysop of Silicon Realms BBS (209) 754-1363 300-2400 baud Commodore 8-bit page at: http://www.jps.net/foxnhare/commodore.html 01000011 01001111 01001101 01010000 01010101 01010100 01000101 01010010 01010011 - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tcm.hut.fi.
Archive generated by hypermail 2.1.1.