1.4 AYHJA
i managed to get mine (default 14x100) up to 10x166 (stable) vcore 1.77, tried at 10.5 but it wont POST
although i'm experiencing wierd things with my DIP some multis work some dont, even at default 100 (see post in AMD Motherboards - Gigabyte)
CPU is a 1.4 Tbird - A1400 AMS3B, AYHJA 0136 APHW
Unlocked using "pencil trick"