Jean, here's the data [root at bambi ~]# isaset -y -f 0x2e 0x87 Data mismatch, wrote 0x87, read 0xff back. [root at bambi ~]# isaset -y -f 0x2e 0x87 Data mismatch, wrote 0x87, read 0xff back. [root at bambi ~]# isaset 0x2e 0x2f 0x07 8 WARNING! Running this program can cause system crashes, data loss and worse! I will write value 0x08 to address 0x07 of chip with address register 0x2e and data register 0x2f. Continue? [Y/n] [root at bambi ~]# isaset 0x2e 0x2f 0x30 1 WARNING! Running this program can cause system crashes, data loss and worse! I will write value 0x01 to address 0x30 of chip with address register 0x2e and data register 0x2f. Continue? [Y/n] [root at bambi ~]# isadump 0x2e 0x2f > w83627thf-ld8.dump WARNING! Running this program can cause system crashes, data loss and worse! I will probe address register 0x2e and data register 0x2f. Continue? [Y/n] [root at bambi ~]# isaset -y -f 0x2e 0xaa Data mismatch, wrote 0xaa, read 0xff back. [root at bambi ~]# Mark. ps Its a development server, just built, so I can afford a reboot or two.