Digital Equipment 300 Series AXP Reference Manual page 262

Examining the Machine Check Logout Area
To Examine the
Large Frame
E–4
• Machine Check Error Code - Address: F8010h
• BIU_STAT Contents- Address: F8018h
• BIU_ADDR Contents - Address: F8020h
• DC_STAT Contents - Address: F8028h
• FILL_SYNDROME Contents - Address: F8030h
• FILL_ADDR Contents - Address: F8038h
• BC_TAG Contents - Address: F8040h
• Machine Check Error CODE - Address: F8048h
Enter the following to look at the large frame:
>>> E -PM -Q -U -N 3B F8050
You must use the ctrl-s (XOFF) and ctrl-q (XON) commands to
stop and start the display.
The following are the address and description of each element in
the large frame in the logout area:
• Flag Data - Address: F8050h
Description: Low longword contains the size of the log in
the low longword, bit 63 is used as a retry bit
• Offset Data - Address: F8058h
Description: Low longword is offset to CPU specific data,
high longword is offset to system specific data.
• Machine Check Code - Address: F8060h
• Saved PAL Temp Registers - Address: F8068h - F8158h
Description: Contents of PT0 - PT31 at the time of the
error
• Saved Exception Address- Address: F8160h
Description: Address that was executing at the time of
the machine check
• Saved Exception Summary Register - Address: F8168h
• Saved Exception Mask Register - Address: F8170h
• Saved ICSSR - Address: F8178h