OptiBoot 7.0 on ATMega1280 - not displaying version correctly

[JohnOH]

There appears to be a problem with big flash sizes, I have searched for a possible 16 bit over flow problem but haven't found anything yet.

Compiled for ATmega1280
No Serial Number

Fuse bits (L/H/E): FF DE F5
Lock bits: FF
Signature: 1E 97 3 (ATmega1280)
Oscal: 88

Fuse Low = 11111111 (FF)
||||++++______Low Power Crystal 8 - 16MHz
||++_________Start Up Time=11
|+Clock Output Disabled
+(no divide)

Fuse High = 11011110 (DE)
|||||||+______Reset to Bootstrap
|||||++_______512 words (1024 bytes)
||||+_________EEPROM Erased on chip erase
|||+__________Watchdog programmable
||+___________ISP programming enabled
|+____________JTAG off
+_____________OCD enabled

Fuse Extended = 11110101 (F5)
|||||+++______Brownout at 2.7V

Lock Bits = 11111111 (FF)
||||||++______Read/Write to everywhere
||||++________R/W Application
||++__________R/W Boot Section

Bootloader at 0xFFFFFC00 has no version
FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF