My Gateway 2000 which has the Anigma mobo is capable of 128 MB in 4 32 MB SIMM slots. With 3 slots filled I have 96 MB and have parity on. Everything functions perfectly. But when I put the 4th simm in, I have to change the parity to off and the BIOS reads all 128 MB. However Windows 95b no longer can boot up, but gives a message like "invalid vxd dynamic link call to device #3 service B. If I try to go into Safe Mode, it fails and says: "Himem.sys has detected unreliable XMS memory at address 04000006. XMS driver not installed. BTW, the 4th memory card matches the other 3 already inside. Any ideas? :?