No flash through ALDL on that one. That PCM has a Memcal. You need to pull it out and get a HDR1 from Moates
http://www.moates.net/hdr1-memcal-he....html?cPath=64

And a G1 adapter for a flash chip from Moates
http://www.moates.net/g1-memory-adap....html?cPath=64

Couple 27FS512 chips from Moates
http://www.moates.net/c2-sst-27sf512....html?cPath=26

ANd a Burn 2
http://www.moates.net/burn2-chip-pro....html?cPath=64

Or AutoProm
http://www.moates.net/apu1-autoprom-....html?cPath=64