Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!att!dptg!lzsc!hcj From: hcj@lzsc.ATT.COM (HC Johnson) Newsgroups: comp.sys.atari.st Subject: Need Help with ST520 Memory Problem Message-ID: <1583@lzsc.ATT.COM> Date: 11 Apr 90 12:42:52 GMT Organization: AT&T BL Middletown/Lincroft NJ USA Lines: 14 I have a ST520 expanded to 1 MEG with piggy back chips. When I soldered in the PC-Ditto II, one of the piggy's died. Does anyone know the association between 16 chips and 16 bits. The bad bit is 0x0008 The chips number Left to Right 16-25,28-34,38,42-45. Thanks Howard C. Johnson ATT Bell Labs att!lzsc!hcj hcj@lzsc.att.com