hey set your switches up to suit your bios size and then start the xbox by pressing the power and eject buttons together, this will bring up the flashbios screen again, and then flash.
1MB Bank
Bank 1234: on on off off (Set to this when flashing first time with FlashBIOS)
Bank 5678: off on off off
256k Bank
Bank 1: on on on on
Bank 2: off on on on
Bank 3: on off on on
Bank 4: off off on on
Bank 5: on on off on
Bank 6: off on off on
Bank 7: on off off on
Bank 8: off off off on
512k Bank
Bank 12: on on on off
Bank 34: off on on off
Bank 56: on off on off
Bank 78: off off on off
1MB Bank
Bank 1234: on on off off (Set to this when flashing first time with FlashBIOS)
Bank 5678: off on off off
2MB Bank
Bank 12345678: off off off off
Hope this Helps
Xbox\\v1.4
Chip:X3 3294 Bios
HDD: 120 GB Seagate
Case: Clear Blue
Lights:BLUE