Sb-Vt5251Lce - MSI MS7318M1 Service Manual

5

SB-VT5251LCE

Strap Pins
(External pullup / pulldown straps are required to select "H" / "L")
Strap Pins for VT8251L Version CE Configuration
Signal Pin# Function
SPKR AF05 CPU Frequency
D
Strapping
ACSDOUT0 R01 Auto Reboot
SEEDI B13 Use Serial
External LAN
EEPROM
ACSYNC R04 LPC FWH
PDCS1# AC25 SATA Spin
Up Mode
Vlink auto compensation
PDDACK# AB23 PCI Express
Debugging
C
Mode
SUSA# W01 Notebook /
Desktop LAN Reset
www.kythuatvitinh.com
Strap Pins for North Bridge ("NB") Configuration
PDCS3# AA23 NB Configuration ATeCon
PDA2 AD27 NB Configuration
PDA1 AC26 NB Configuration
GPIOD / AC05 NB Configuration
PCGNTB
B
GPIOB / AE01 NB Configuration
PCREQB
PDA0, AE03 NB Configuration
GPIOA/PCREQA AF03
GPIOC/PCGNTA
A
5
4
Description
L: Enable CPU Frequency Strapping
H: Disable CPU Frequency Strapping
Default setting: Disable
L: Enable Auto Reboot
H: Disable Auto Reboot .
Default setting: Disable
L: Enable. Use external EEPROM
H: Disable. Do not use external EEPROM
Default setting: Enable (pull low) sInc
L: Enable LPC FWH Command
H: Disable LPC FWH Command
Default setting: Disable
L: Enable SATA spin up mode iel
H: Disable SATA spin up mode
Default setting: Disable
L: Enable PCI Express debugging mode logntiaired
H: Disable PCI Express debugging mode
Default setting: Disable
L: Notebook LAN reset
H: Desktop LAN reset hnoideequ
PDCS3# signal state is reflected on
signal pin VD7 during power up for
North Bridge configuration.
PDA2 signal state is reflected on
signal pin VD6 during power up for
North Bridge configuration.
PDA1 signal state is reflected on
signal pin VD5 during power up for
North Bridge configuration. DAR
NGPIOD/PCGNTB signal state is
reflected on signal pin VD3 during
power up for North Bridge
configuration.
GPIOB/PCREQB signal state is
reflected on signal pin VD2
during power up for North
Bridge configuration.
PDA0, GPIOA/PCREQA and
GPIOC/PCGNTA signal states
are reflected on signal pins
VD4, VD1 and VD0 during
power up for North Bridge
configuration.
4
3
3
2
MICRO-START INT'L CO.,LTD. MICRO-START INT'L CO.,LTD. MICRO-START INT'L CO.,LTD.
Title Title Title
Strap Pins Strap Pins Strap Pins
Size Size Size Document Number Document Number Document Number
MS-7318-101-060918A MS-7318-101-060918A MS-7318-101-060918A
Date: Date: Date: Monday, September 18, 2006 Monday, September 18, 2006 Monday, September 18, 2006
2
1
D
C
B
A
Rev Rev Rev
100 100 100
Sheet Sheet Sheet 4 4 4 of of of 45 45 45
1