Silicon Graphics SGI 1100 Maintenance And Upgrade Manual page 118

3: Troubleshooting
102
Table 3-2 (continued)
Checkpoint Descriptions
70H Initializes parallel port(s)
74H Initializes serial port(s)
75H Initializes RDM
78H Resets math coprocessor
7CH Checks & initializes pointing device
80H Sets security status
82H Builds BCV/IPL table
84H Initializes keyboard
6CH Tests and initializes FDD
Note: The FDD LED should flash once and its head should be positioned.
8FH Builds ACPI tables
95H IOROM initialization manager
88H Sets HDD type and features (e.g., transfer speed, mode, etc.)
Tests HDD controller
90H Displays POST status
96H IOROM initialization
13H Re-hooks INT 13h
97H Moves boot sequence table to F-segment
A0H Sets time and day
A4H Initializes security features
A2H Initializes setup items
A8H Sets up SMI parameters
ACH Enables NMI, checks parity if set, and clears screen
AEH Reserves RDM buffer
POST Checkpoints List
007-4047-001