Hi,
Your problem is hard and it has multiple culprits. Your version of ZoneAlarm and Norton AV are unstable. De-install or upgrade Norton AV and ZoneAlarm. Upgrade the firmware of the BIOS as all the crashes are related to system crash at instruction processr!AcpiC1Idle+0x12.
Mini030406-02.dmp BugCheck 100000D1, {ac, 5, 0, ba7105ed}
Probably caused by : atapi.sys ( atapi!IdePortInterrupt+d )
Mini030606-01.dmp BugCheck 100000D1, {74981350, 5, 0, ba7105ed}
Probably caused by : atapi.sys ( atapi!IdePortInterrupt+d )
STACK_TEXT:
bacd3c9c 80544685 8a6fb270 8a699030 01010005 atapi!IdePortInterrupt+0xd
bacd3c9c baaa9c46 8a6fb270 8a699030 01010005 nt!KiInterruptDispatch+0x45
bacd3d50 80544d2c 00000000 0000000e 00000000 processr!AcpiC1Idle+0x12
bacd3d54 00000000 0000000e 00000000 00000000 nt!KiIdleLoop+0x10
Mini031506-01.dmp BugCheck 100000D1, {ac, 5, 0, ba7105ed}
Probably caused by : atapi.sys ( atapi!IdePortInterrupt+d )
STACK_TEXT:
bacd3c9c 80544685 8a6ef628 8a639030 01010005 atapi!IdePortInterrupt+0xd
bacd3c9c baa89c46 8a6ef628 8a639030 01010005 nt!KiInterruptDispatch+0x45
bacd3d50 80544d2c 00000000 0000000e 00000000 processr!AcpiC1Idle+0x12
bacd3d54 00000000 0000000e 00000000 00000000 nt!KiIdleLoop+0x10
Mini032206-01.dmp BugCheck 100000D1, {1, 8, 1, 88d49a74}
Probably caused by : ntkrpamp.exe ( nt!KiInterruptDispatch+45 )
STACK_TEXT:
WARNING: Frame IP not in any known module. Following frames may be wrong.
bacd3c9c 80544685 8a3e84d0 004acde8 01010008 0x88d49a74
bacd3c9c baa99c46 8a3e84d0 004acde8 01010008 nt!KiInterruptDispatch+0x45
bacd3d50 80544d2c 00000000 0000000e 00000000 processr!AcpiC1Idle+0x12
bacd3d54 00000000 0000000e 00000000 00000000 nt!KiIdleLoop+0x10
Mini032306-01.dmp BugCheck 100000D1, {1, 8, 1, 88d1d024}
Probably caused by : ntkrpamp.exe ( nt!KiInterruptDispatch+45 )
STACK_TEXT:
WARNING: Frame IP not in any known module. Following frames may be wrong.
bacd3c9c 80544685 8a3f0e18 00323ae0 01010008 0x88d1d024
bacd3c9c baa99c46 8a3f0e18 00323ae0 01010008 nt!KiInterruptDispatch+0x45
bacd3d50 80544d2c 00000000 0000000e 00000000 processr!AcpiC1Idle+0x12
bacd3d54 00000000 0000000e 00000000 00000000 nt!KiIdleLoop+0x10