Samsung R710 Service Manual page 83

4
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
D
C
R340 0
CHP3_BIOSWP#
R338
12.1 1%
SPI3_MISO
SPI3_CS0#
R339
100K
1%
B
A
4
3
- SPI ROM LIST -
Macronix - MX25L8005M2C-15G
STM - M25PE80
ATMEL - AT26DF081A-SU
SST - 25VF080B-50-4C-S2AF
WINBOND - W25X80-VSSI-G
P3.3V
VSS SI
4 5
WP* SCK
R337
3 6 10K 1%
SO HOLD*
2 7
CE* VDD
1 8
SST25VF016B-504CS2AF
U21
C289
100nF
3
2
02
03
04
06
08
09
0A
0B
0C
OE
0F
10
11
13
14
16
18
1A
1C
20
22
24
26
28
32
34
38
3A
3C
SPI3_MOSI
SPI3_CLK
3D
42
44
46
47
48
49
4A
4C
50
52
54
56
58
5A
5C
60
62
64
2
VERIFY REAL MODE 66 CONFIGURE ADVANCE CACHE REG.
DISABLE NMI 6A DISPLAY EXTERNAL CACHE SIZE
GET CPU TYPE 6C DISPLAY SHADOW MESSAGE
INIT. SYSTEM H/W 6E DISPLAY NON-DISPOSABLE SEGMENT
INIT. CHIPSET REG. 70 DISPLAY ERROR MESSAGE
SET IN POST FLAG 72 CHECK FOR CONFIGURATION ERROR
INIT CPU.REG 74 TEST REAL-TIME CLOCK
CPU CACHE ON 76 CHECK FOR KEYBOARD EERROR
INIT.CACHE TO POST 7C SETUP HARDWARE INTERRUPT VECTOR
INIT. I/O VALUE 7E TEST COPROCESSER IF PRESENT
ENABLE THE L-BUS IDE 80 DISABLE ON-BOARD I/O PORT
INIT. POWER MANAGER 82 DETECT AND INSTALL EXT.RS232C
LOAD ALTERNATE REG. 84 DETECT AND INSTALL EXT.PARALLEL
PCI BUS MASTER RESET 86 RE-INIT. ON-BOARD I/O PORT
WITH INITIAL POST VALUE 88 INIT. BIOS DATA ROM
INIT. KEYBOARD CONTROLLER 8A INIT.EXTENDED BIOS DATA AREA
CHECK CHECKSUM 8C INIT. FDD CONTROLLER
8254 TIMER INIT. 9A SHADOW OPTION ROMS
8237 DMA CONTROLLER INIT. 9C SETUP POWER MANAGEMENT
RESET INTERRUP CONTROLLER 9E ENABLE H/W INTERRUPT
TEST DRAM REFRESH A0 SET TIME OF DAY
TEST 8742 KEYBOARD CONTROLLER A4 INIT. TYPEMATIC RATE
SET ES SEGMENT REG. TO 4GB A8 ERASE F2 PROMPT
ENABLE A20 AA SCAN FOR F2 KEY STROKE
AUTO SIZING DRAM AC ENTER SETUP
COMPUTE THE CPU SPEED AE CLEAR IN POST FLAG
TESET CMOS RAM B0 CHECK FOR ERRORS
SHADOW SYSTEM BIOS ROM B2 POST DONE-PREPARE TO BOOT O/S
AUTO SIZING CACHE B4 ONE BEEP
CONFIGURE ADVANCED CHIPSET REG. B6 CHECK PASSWORD (OPTION)
LOAD ALTER REG. WITH CMOS VALUE B7 ACPI INIT
INIT. INTERRUPT VECTOR BA DMI INIT
INIT. BIOS INTERRUPT BE CLEAR SCREEN
CHECK ROM COPYRIGHT NOTICE C0 TRY BOOT WITH INT19
INIT. I20 SUPPORT IF INSTALLED D0 INTERRUPT HANDLER ERROR
CHECK VIDEO CONFIGURE AGAINST CMOS D2 UNKNOWN INTERRUPT ERROR
INIT. PCI BUS AND DEVICE D4 PENDING INTERRUPT ERROR
INIT. ALL VIDEO BIOS ROM D6 SHUTDOWN 5
SHADOW VIDEO BIOS ROM
D8 SHUTDOWN ERROR
DISPLAY CPU TYPE AND SPEED
DA EXTENDED BLOCK MOVE
TEST KEYBOARD
DC SHUTDOWN 10
SET KEYCLICK IF ENABLED
89 ENABLE NMI
ENABLE KEYBOARD
90 INIT. HDD CONTROLLER
TEST FOR UNEXPECTED INTERRUPTS
91 INIT. LOCAL BUS HDD CONTROLLER
DISPLAY " PRESS ...... SETUP" 92 JUMP TO USER PATCH 2
TEST RAM GETWEEN 512K AND 640K 94 DISABLE A20 ADDRESS LINE
96 CLEAR HUGE ES SEGMENT REG.
TEST EXTENDED MEMORY
98 SEARCH FOR OPTION ROMS
TEST EXTENDED MEMORY ADDRESS LINE
JUMP TO USER PATCH 1
1
D
C
B
A
SAMSUNG
ELECTRONICS
1
SRP Sheet Number: 41 of 78