Thanks Wodz
Sorted it with Stage1 from my rock27boot.bin.
Switching into rk DFU mode...
cela@cela-desktop:~/READY$ sudo ./rk27load -e1 -e2 -s1 rkboot_s1.bin -s2 stage2.bin -s3
rockbox.bin
rk27load v0.2
(C) Marcin Bukat 2011
Based on rk27load ver. 0.1 written by AleMaxx (alemaxx at hotmail.de)
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
[info]: Initializing device... done
[stage1]: Loading 510 bytes (rkboot_s1.bin) of code... done
[stage1]: Encoding 510 bytes of data ... done
[stage1]: codesize = 510 (0x1fe)
[stage1]: Calculating checksum... 0x7ce5
[stage1]: Uploading code (512 bytes)... done
[stage1]: Loading 512 bytes (stage2.bin) of code... done
[stage2]: Encoding 1022 bytes data... done
[stage2]: Calculating checksum... 0x1f49
[stage2]: Uploading code (1024 bytes)... done
[stage3]: Loading user code (575064 bytes)... done
[stage3]: Uploading user code (575068 bytes)... done (sent 1124 blocks)
rkboot_s1.bincela@cela-desktop:~/READY$
Display is working.
Can get into diagnostic mode, 4 out the 6 keys my device has are recognised so that's
good.