So you have to dump it as 27C322 since the DIP version of the MX23C3210 has same pinout:
http://www.macronix.com/Lists/Datasheet/Attachments/6044/MX23C3210, 5V, 32Mb, v3.5.pdf
http://www.macronix.com/Lists/Datasheet/Attachments/6044/MX23C3210, 5V, 32Mb, v3.5.pdf