>>>>> On Tue, 12 Feb 2002 13:02:13 +0100, "Kevin D. Kissell" <kevink@mips.com> said: kevink> According to the (rather old) Tx39xx specs at my disposal, kevink> those parts should also support the SYNC instruction. Does kevink> anyone know for a fact that some of them do not? There are two types of TX39: TX39/H and TX39/H2. To my knowledge, both TX39/H (3904, 3912, etc.) and TX39/H2 (3922, 3927, etc.) have then SYNC instruction. TX39/H2 also have a write buffer but TX39/H does not. --- Atsushi Nemoto