httpproxy.gopherspace.dk:75/1/proxy/https://bitsavers.org/pdf/adaptec/ACB-4520A/firmware/

       Index of /pdf/adaptec/ACB-4520A/firmware
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   DIR /pdf/adaptec/ACB-4520A
   BIN 404930D.bin
   BIN ACB-4520_404801-00A_3dd2fd1570d723149f46e215b584327a.bin
   BIN ACB-4520_unk_e3d4a4e80c4472a29aabbb18732f5942.bin