Samsung
Confidential
76 CHECK FOR KEYBOARD EERROR
49 INIT. PCI BUS AND DEVICE
3
26 ENABLE A20
6A DISPLAY EXTERNAL CACHE SIZE
38 SHADOW SYSTEM BIOS ROM
8A INIT.EXTENDED BIOS DATA AREA
D4 PENDING INTERRUPT ERROR
80 DISABLE ON-BOARD I/O PORT
8C INIT. FDD CONTROLLER
64 JUMP TO USER PATCH 1
DC SHUTDOWN 10
9A SHADOW OPTION ROMS
52 TEST KEYBOARD
B0 CHECK FOR ERRORS
82 DETECT AND INSTALL EXT.RS232C
44 INIT. BIOS INTERRUPT
SAMSUNG ELECTRONICS CO’S PROPERTY.
50 DISPLAY CPU TYPE AND SPEED
6C DISPLAY SHADOW MESSAGE
4A INIT. ALL VIDEO BIOS ROM
56 ENABLE KEYBOARD
WITH INITIAL POST VALUE
D
A8 ERASE F2 PROMPT
11 LOAD ALTERNATE REG.
91 INIT. LOCAL BUS HDD CONTROLLER
86 RE-INIT. ON-BOARD I/O PORT
B
47 INIT. I20 SUPPORT IF INSTALLED
1
0F ENABLE THE L-BUS IDE
48 CHECK VIDEO CONFIGURE AGAINST CMOS
3D LOAD ALTER REG. WITH CMOS VALUE
18 8254 TIMER INIT.
PROPRIETARY INFORMATION THAT IS
SB600 prior to A21 : Pulled up to P3.3V_ALW with 1Kohm resistor.
16 CHECK CHECKSUM
A0 SET TIME OF DAY
03 DISABLE NMI
66 CONFIGURE ADVANCE CACHE REG.
C
AC ENTER SETUP
1A 8237 DMA CONTROLLER INIT.
A4 INIT. TYPEMATIC RATE
04 GET CPU TYPE
D
OE INIT. I/O VALUE
70 DISPLAY ERROR MESSAGE
28 AUTO SIZING DRAM
2
60 TEST EXTENDED MEMORY
BA DMI INIT
96 CLEAR HUGE ES SEGMENT REG.
9C SETUP POWER MANAGEMENT
SAMSUNG PROPRIETARY
22 TEST 8742 KEYBOARD CONTROLLER
0A INIT CPU.REG
0C INIT.CACHE TO POST
C
SB600 A21 and newer : No external pull-up resistor required.
06 INIT. SYSTEM H/W
4C SHADOW VIDEO BIOS ROM
EXCEPT AS AUTHORIZED BY SAMSUNG.
3A AUTO SIZING CACHE
5A DISPLAY " PRESS ...... SETUP"
4
94 DISABLE A20 ADDRESS LINE
3C CONFIGURE ADVANCED CHIPSET REG.
AE CLEAR IN POST FLAG
ELECTRONICS
B7 ACPI INIT
B6 CHECK PASSWORD (OPTION)
98 SEARCH FOR OPTION ROMS
62 TEST EXTENDED MEMORY ADDRESS LINE
32 COMPUTE THE CPU SPEED
02 VERIFY REAL MODE
D6 SHUTDOWN 5
D8 SHUTDOWN ERROR
1C RESET INTERRUP CONTROLLER
72 CHECK FOR CONFIGURATION ERROR
74 TEST REAL-TIME CLOCK
34 TESET CMOS RAM
DEBUG CARD CONN
A
42 INIT. INTERRUPT VECTOR
THIS DOCUMENT CONTAINS CONFIDENTIAL
92 JUMP TO USER PATCH 2
C0 TRY BOOT WITH INT19
D0 INTERRUPT HANDLER ERROR
1
46 CHECK ROM COPYRIGHT NOTICE
B
24 SET ES SEGMENT REG. TO 4GB
B2 POST DONE-PREPARE TO BOOT O/S
58 TEST FOR UNEXPECTED INTERRUPTS
3
D2 UNKNOWN INTERRUPT ERROR
0B CPU CACHE ON
13 PCI BUS MASTER RESET
88 INIT. BIOS DATA ROM
SPI3_CS#
08 INIT. CHIPSET REG.
DA EXTENDED BLOCK MOVE
84 DETECT AND INSTALL EXT.PARALLEL
5C TEST RAM GETWEEN 512K AND 640K
9E ENABLE H/W INTERRUPT
A
B4 ONE BEEP
AA SCAN FOR F2 KEY STROKE
2
7C SETUP HARDWARE INTERRUPT VECTOR
SAMSUNG
4
89 ENABLE NMI
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
BE CLEAR SCREEN
54 SET KEYCLICK IF ENABLED
90 INIT. HDD CONTROLLER
6E DISPLAY NON-DISPOSABLE SEGMENT
10 INIT. POWER MANAGER
14 INIT. KEYBOARD CONTROLLER
09 SET IN POST FLAG
7E TEST COPROCESSER IF PRESENT
20 TEST DRAM REFRESH
TP19304
19-A2 19-C2 40-B4 54-B3
54-B340-B419-C219-A2
54-C419-A2 40-B4 54-B3
54-B340-B419-C219-A2
19-A2 19-C2 40-B4 54-C3
P3.3V
40-B439-C234-B419-C1 54-B3
19-D2
10K
R798
nostuff
R803
10K
R802
10K
nostuff
10K
R797
R1608-SHORT
SHORT531
10V
100nF
C822
SHORT510
0
19-B2
21-C1 54-D2
P5.0V
P3.3V
3
W*
21-C1 54-D2
P3.3V
54-D2 21-C1
54-C4
U522
MX25L8005M2C-15G
C
6
5
D
HOLD*
7
Q
2
1
S*
8
VCC
4
VSS
R806
10K
3711-000386|head-btoc-10p-1-80port
1
10
2
3
4
5
6
7
8
9
11
MNT1
MNT2
12
nostuff
LPC3_LAD(3)
LPC3_LAD(2)
54-D221-C1
HDR-10P-1R-SMD
J508
SPI3_CLK
CHP3_BIOSWP#
SPI3_MISOSPI3_MOSI
SPI3_CS#
PLT3_RSTF#
LPC3_LAD(1)
LPC3_LAD(0)
CLK3_DBGLPC
LPC3_LFRAME#
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