MiTAC 8399 Manual De Usuario
8399
8399
N/B Maintenance
N/B Maintenance
89
Power and Ground
Signal Name Pin #
Signal Name Pin #
I/O
Signal Description
VSUS33 AA4,
AB4-6
P
Suspend Power. 3.3V ±5%. Always available unless the
mechanical switch of the power supply is turned off. If the
ihsoft-offlÉD state is not implemented, then this pin can be
connected to VCC33. Signals powered by or referenced to
this plane are: PWRGD, RSMRST#, PWRBTN#,
SMBCK1/2, SMBDT1/2, GPO0, SUSA# / GPO1, SUSB# /
GPO2, SUSC#, SUSST1# / GPO3, SUSCLK / GPO4,
GPI1, GPI2 / EXTSMI#, GPI3 / RING#, GPI4 / LID, GPI5
/ BATLOW#, GPI6 / PME#, SMBALRT#
mechanical switch of the power supply is turned off. If the
ihsoft-offlÉD state is not implemented, then this pin can be
connected to VCC33. Signals powered by or referenced to
this plane are: PWRGD, RSMRST#, PWRBTN#,
SMBCK1/2, SMBDT1/2, GPO0, SUSA# / GPO1, SUSB# /
GPO2, SUSC#, SUSST1# / GPO3, SUSCLK / GPO4,
GPI1, GPI2 / EXTSMI#, GPI3 / RING#, GPI4 / LID, GPI5
/ BATLOW#, GPI6 / PME#, SMBALRT#
VSUS25 T4,
U4
P
Suspend Power. 2.5V ±5%.
VSUSUSB C24
P
USB Suspend Power. 2.5V ±5%.
VBAT AF4
P
RTC Battery. Battery input for internal RTC (RTCX1,
RTCX2)
RTCX2)
VLVREF H22
P
V-Link Voltage Reference. 0.9V ±5% for 4x transfers and
0.625V ±5% for 8x transfers.
0.625V ±5% for 8x transfers.
VLCOMP J22
AI
V-Link
Compensation.
VCCVK (see
pin
list)
P
V-Link Compensation Circuit Voltage. 2.5V ±5%
MIIVCC D9,
E9-11
P
LAN MII Power. 3.3V ±5%.Power for LAN Media
Independent Interface (interface to external PHY). Connect
to VCC33 through a ferrite bead.
Independent Interface (interface to external PHY). Connect
to VCC33 through a ferrite bead.
MIIVCC25 D12.
E12
P
LAN MII Suspend Power. 2.5V ±5%.
LANVCC E7
P
LAN Power. 2.5V ±5%. Power for LAN. Connect to VCC
through a ferrite bead.
through a ferrite bead.
LANGND E6
P
LAN Ground. Connect to GND through a ferrite bead.
USBVCC (see
pin
list)
P
USB 2.0 Differential Output Power. 3.3V ±5%. Power
for USB differential outputs (USBP0+, P0Œ, P1+, P1Œ,
P2+, P2Œ, P3+, P3Œ, P4+, P4Œ, P5+, P5Œ). Connect to
VSUS33 through a ferrite bead.
for USB differential outputs (USBP0+, P0Œ, P1+, P1Œ,
P2+, P2Œ, P3+, P3Œ, P4+, P4Œ, P5+, P5Œ). Connect to
VSUS33 through a ferrite bead.
USBGND (see
pin
list)
P
USB 2.0 Differential Output Ground. Connect to GND
through a ferrite bead.
through a ferrite bead.
VCCUPLL A23,
B23
P
USB 2.0 PLL Analog Voltage. 2.5V ±5%. Connect to
VCC through a ferrite bead.
VCC through a ferrite bead.
GNDUPLL C23,
D23
P
USB 2.0 PLL Analog Ground. Connect to GND through a
ferrite bead.
ferrite bead.
PLLVCC T22
P
PLL Analog Power. 2.5V ±5%. Connect to VCC through
a ferrite bead.
a ferrite bead.
PLLGND U22
P
PLL Analog Ground. Connect to GND through a ferrite
bead.
bead.
Strap Pins for North Bridge Configuration
Signal Name
Signal Name
Pin # Function
Description
Note
SDCS3#
AF26 NB
Configuratio
n
n
SDCS3# signal state is reflected on
signal pinVD[7] during power up
for North Bridgeconfiguration.
signal pinVD[7] during power up
for North Bridgeconfiguration.
Check the
NorthBridge DS
fordetails
NorthBridge DS
fordetails
SDA2
AE24 NB
Configuratio
n
n
SDA2 signal state is reflected on
signal pinVD[6] during power up
for North Bridgeconfiguration.
signal pinVD[6] during power up
for North Bridgeconfiguration.
Check the
NorthBridge DS
fordetails
NorthBridge DS
fordetails
SDA1
AC22 NB
Configuratio
n
n
SDA1 signal state is reflected on
signal pinVD[5] during power up
for North Bridgeconfiguration.
signal pinVD[5] during power up
for North Bridgeconfiguration.
Check the
NorthBridge DS
fordetails
NorthBridge DS
fordetails
SDA0
AF24 NB
Configuratio
n
n
SDA0 signal states is reflected on
signal pinsVD[4] during power up
for North Bridgeconfiguration.
signal pinsVD[4] during power up
for North Bridgeconfiguration.
Check the
NorthBridge DS
fordetails
NorthBridge DS
fordetails
Strap_VD3
AC6
NB
Configuratio
n
Configuratio
n
Strap_VD3 signal state is reflected
on signal pinVD[3] during power
up for North Bridgeconfiguration.
on signal pinVD[3] during power
up for North Bridgeconfiguration.
Check the
NorthBridge DS
fordetails
NorthBridge DS
fordetails
Strap_VD2
AD5
NB
Configuratio
n
Configuratio
n
Strap_VD2 signal state is reflected
on signal pinVD[2] during power
up for North Bridgeconfiguration.
on signal pinVD[2] during power
up for North Bridgeconfiguration.
Check the
NorthBridge DS
fordetails
NorthBridge DS
fordetails
Strap_VD1
AE5
NB
Configuratio
n
Configuratio
n
Strap_VD1 signal state is reflected
on signal pin, VD[1] during power
up for North Bridge configuration.
on signal pin, VD[1] during power
up for North Bridge configuration.
Check the North
Bridge DS for details
Bridge DS for details
Strap_VD0
AF5
NB
Configuratio
n
Configuratio
n
Strap_VD0 signal state is reflected
on signalpin, VD[0] during power
up for North Bridgeconfiguration.
on signalpin, VD[0] during power
up for North Bridgeconfiguration.
Check the
NorthBridge DS
fordetails
NorthBridge DS
fordetails
Note: Internal Pullups are present on pins KBCK, KBDT, MSCK, MSDT, SERIRQ, LAD[3:0]
Internal Pulldowns are present on all LAN pins
Internal Pulldowns are present on all LAN pins
Power and Ground（
（
（
（Continued）
）
）
）
Signal Name
Pin #
I/O
Signal Description
VCC33 (see
pin
list)
P
I/O Power. 3.3V ±5%
VCC (see
pin
list)
P
Core Power. 2.5V ±5%. This supply is turned on
only when the mechanical switch on
only when the mechanical switch on
the power
supply is turned on and the PWRON signal is
conditioned high.
conditioned high.
GND (see
pin
list)
P
Ground. Connect to primary motherboard ground plane.
5.3 VIA VT8235CD South Bridge(10)
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