Collecting A Memory Dump; Table 7-1 Error That Trigger A Memory Dump - Hitachi HF-BX1000 Instruction Manual

7.2 Collecting a Memory Dump

When one of the errors in Table 7-1 occurs, this equipment records the contents of the system
memory in a file (memory dump file). Then a blue screen appears and a STOP error code is
displayed. By analyzing the data in this memory dump file, you can investigate the cause of
the failure.
Cause
Keyboard operation
Watchdog timer timed out
Microsoft® Windows® STOP
error
(*1) It may be impossible to collect a memory dump depending on conditions, such as Windows® is
suspending responses at a high interrupt request level (IRQL).
(*2) In the RAS Setup window, you can configure whether to collect a memory dump.
< NOTE >
• The Windows® function that allows you to collect a memory dump by pressing
the Scroll Lock twice while holding down the right Ctrl key is enabled in this
equipment. Do not perform this key operation for any purpose other than to
collect a memory dump.
For details about the displayed STOP error code, see "6.3 STOP Error Codes".
To select the memory dump file type, open System in Control Panel. You can select from the
following three types defined below. Because the memory dump file type determines how far
you can analyze the failure by using the dump file, we recommend selecting "Complete
memory dump" whenever you can. The factory default is "Complete memory dump".
• Complete memory dump
• Kernel memory dump
• Minimum memory dump The minimum information necessary for identifying what caused
(*3) The boot volume is a volume that contains Windows® files and Windows® support files.

Table 7-1 Error That Trigger a Memory Dump

Pressing the Scroll Lock twice while holding down the right Ctrl key
allows you to collect a memory dump (*1).
When a watchdog timer timed out, a memory dump is collected
(*2).
When a fatal error occurs in the Microsoft® Windows® kernel, a
memory dump is collected.
The entire contents of system memory is recorded.
The boot volume (*3) must have enough free space to hold a
paging file equal to the size of the physical memory plus 1 MB.
The kernel memory is recorded.
The boot volume (*3) must have enough free space to hold a
paging file about one third the size of the physical memory.
the equipment to stop is recorded. The boot volume (*3) must
have enough free space to hold a paging file of more than 2 MB.
Description
7-5
7. MAINTENANCE OPERATION