The pin-out in Table 22 (page 35) shows that XGI pin A62 connects to AH32 on the ML523. However, the schematics show that A62 connects to AH34. The schematics are correct; A62 connects to AH34.
This information has been corrected in the
ML52x User Guide, v2.1 August 4, 2010 (UG225):
http://www.xilinx.com/support/documentation/boards_and_kits/ug225.pdf