name | size | crc | sha1 | region | offset | status | optional | merge | bios |
btc507.u1 | 524288 | 311f7c95 | 02e18a6148aaead138e4e36c42d78a6096c8c1dd | maincpu | 0 | good | no | | |
btc507d.u1 | 524288 | 38e4e326 | 332236b310d746848757fef0931b9cd289d01a59 | altrevs | 0 | good | no | | |
btu507.u1 | 524288 | 17f6b093 | 836e9e7c702c2882d03b6dd9a288ec4ee7088f10 | altrevs | 0 | good | no | | |
btu507d.u1 | 524288 | 1e0d2f20 | 4e70656f4329e643e41dc2440e2391bbc132e45f | altrevs | 0 | good | no | | |