1 Specifications
S820/S850
1-6
Error Codes
Beep Codes
Meaning
50
2-2-1-1
Display CPU type and speed
51
2-2-1-2
Initialize EISA board
52
2-2-1-3
Test keyboard
54
2-2-2-1
Set key click if enabled
56
2-2-2-3
Enable keyboard
58
2-2-3-1
Test for unexpected interrupts
59
2-2-3-2
Initialize the POST display service
5A
2-2-3-3
Display prompt ”Press F2 to enter SETUP”
5B
2-2-3-4
Disable L1 cache during POST
5C
2-2-4-1
Test RAM between 512 and 640K
60
2-3-1-1
Test extended memory
62
2-3-1-3
Test extended memory address lines
64
2-3-2-1
Jump to UserPatch1
66
2-3-2-3
Configure advanced cache registers
67
2-3-2-4
Initializes multi-processor(Null Feature)
68
2-3-3-1
Enable external and CPU caches
69
2-3-3-2
Initialize the smm handler
6A
2-3-3-3
Display external cache size
6B
2-3-3-4
Load custom defaults value (Null Feature)
6C
2-3-4-1
Display shadow message
6E
2-3-4-3
Display non-disposable segments
70
2-4-1-1
Display error message
72
2-4-1-3
Check for configuration errors
74
2-4-2-1
Test real-time clock
76
2-4-2-3
Check for keyboard errors
7C
2-4-4-1
Set up hardware interrupt vectors
7D
2-4-4-2
Initialize intelligent system monitoring (Null Feature)
7E
2-4-4-3
Test coprocessor if present
80
3-1-1-1
Disable onboard I/O ports
81
3-1-1-2
Configure all devices
82
3-1-1-3
Detect and install external RS232 ports
83
3-1-1-4
Configure non-MCD IDE controller
84
3-1-2-1
Detect and install external parallel ports
85
3-1-2-2
Configure PnP PC compatible (pcc) devices
86
3-1-2-3
Re-initialize onboard I/o ports
87
3-1-2-4
Configure motherboard configuration devices (MCD)
88
3-1-3-1
Initialize BIOS Data Area
89
3-1-3-2
Enable NMiS
8A
3-1-3-3
Initialize Extended BIOS Data Area
8B
3-1-3-4
Test Mouse (Null Feature)
8C
3-1-4-1
Initialize floppy controller
8F
3-1-4-4
Configure ATA drive count
90
3-2-1-1
Initialize hard-disk controller
91
3-2-1-2
Initialize local-bus hard-disk controller
92
3-2-1-3
Jump to UserPatch1
93
3-2-1-4
Build MPTABLE for multi-processor boards
94
3-2-2-1
Disable A20 address line
95
3-2-2-2
Initialize CD-ROM
96
3-2-2-3
Clear huge ES segment register
97
3-2-2-4
Fix up multi-processor (Null Feature)
