===== 14 RAM RAM SIZE | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 1F801DAA

RAM_SIZE read back:
RAM_SIZE 0B8F (bits 0-2): wrote 00000B8F, read 00000B8F, put back 00000B88, read 00000B88
RAM_SIZE 0BF8 (bits 4-6): wrote 00000BF8, read 00000BF8, put back 00000B88, read 00000B88
RAM_SIZE FB88 (bits 12-15): wrote 0000FB88, read 0000FB88, put back 00000B88, read 00000B88
RAM_SIZE FFFF0B88 (bits 16-31): wrote FFFF0B88, read FFFF0B88, put back 00000B88, read 00000B88
RAM_SIZE 0888: wrote 00000888, read 00000888, put back 00000B88, read 00000B88
Bit 7, "delay on simultaneous code and data fetch from RAM", and bit 8, by timing:
cached code, RAM lw, 0B88: 959
cached code, RAM lw, 0B08: 954
cached code, RAM lw, 0A88: 957
cached code, RAM lw, 0888: 954
uncached code, no load, 0B88: 1902
uncached code, no load, 0B08: 1897
uncached code, RAM lw, 0B88: 2922
uncached code, RAM lw, 0B08: 2701
uncached code, RAM lw, 0A88: 2929
uncached code, RAM lw, 0888: 2922
uncached code, RAM lw use, 0B88: 3736
uncached code, RAM lw use, 0B08: 3628
uncached code, RAM sw, 0B88: 3030
uncached code, RAM sw, 0B08: 2811
uncached code, BIOS lw, 0B88: 5310
uncached code, BIOS lw, 0B08: 5290
Mirrors by setting (the word at the first address holds C0FFnnnn):
RAM_SIZE 0B88, lw 0002F408: none, reg C0FF0B88
RAM_SIZE 0B88, lw 0022F408: none, reg C0FF0B88
RAM_SIZE 0B88, lw 0042F408: none, reg C0FF0B88
RAM_SIZE 0B88, lw 0062F408: none, reg C0FF0B88
RAM_SIZE 0B88, lw 0082F408: none, reg 00000001
RAM_SIZE 0B88, lw 00C2F408: none, reg 00000001
RAM_SIZE 0888, lw 0002F408: none, reg C0FF0888
RAM_SIZE 0888, lw 0022F408: none, reg 00000001
RAM_SIZE 0888, lw 0042F408: none, reg 00000001
RAM_SIZE 0888, lw 0062F408: none, reg 00000001
RAM_SIZE 0888, lw 0082F408: none, reg 00000001
RAM_SIZE 0888, lw 00C2F408: none, reg 00000001
RAM_SIZE 0C88, lw 0002F408: none, reg C0FF0C88
RAM_SIZE 0C88, lw 0022F408: none, reg FFFFFFFF
RAM_SIZE 0C88, lw 0042F408: none, reg 00000001
RAM_SIZE 0C88, lw 0062F408: none, reg 00000001
RAM_SIZE 0C88, lw 0082F408: none, reg 00000001
RAM_SIZE 0C88, lw 00C2F408: none, reg 00000001
RAM_SIZE 0F88, lw 0002F408: none, reg C0FF0F88
RAM_SIZE 0F88, lw 0022F408: none, reg C0FF0F88
RAM_SIZE 0F88, lw 0042F408: none, reg C0FF0F88
RAM_SIZE 0F88, lw 0062F408: none, reg C0FF0F88
RAM_SIZE 0F88, lw 0082F408: none, reg FFFFFFFF
RAM_SIZE 0F88, lw 00C2F408: none, reg FFFFFFFF
RAM_SIZE 0888, sw past 2MB: