User Guide CC9-SAMBA •
CompactPCI®
Pentium M CPU Board
© EKF -40- ekf.com
Local SMB Devices
The CC9-SAMBA contains a few devices that are reachable via the System Management Bus (SMB).
These are the clock generation chip, the SPD EEPROM on the SO-DIMM memory module and a CPU
temperature controlling device in particular. Other devices could be connected to the SMB via the
CompactPCI
signals IPMB SCL (J1 B17) and IPMB SDA (J1 C17).
Address
Description
0x30
CPU Temperature Sensor MAX 1617
0xA0
SPD of SO-DIMM
0xD2
Main Clock Generation (CK-408)
GPIO Usage
GPIO Usage ICH4
CC9-SAMBA GPIO Usage ICH4
Function
GPIO
Type
Tol.
Origin/Destination
CPCI_ENUM#
GPI 0
I
5V
CPCI Hot Swap Mgmt.
CPCI_INTP
GPI 1
I
5V
CPCI INTP Line
PCI_IRQE#
GPI 2
I
5V
CPCI INTP Line
PCI_IRQF#
GPI 3
I
5V
CPCI INTC#
PCI_IRQG#
GPI 4
I
5V
CPCI INTD#
PCI_IRQH#
GPI 5
I
5V
ICH4 USB 2.0 Controller
CPCI_FAL#
GPI 6
I
5V
CPCI Power Mgmt.
CPCI_DEG#
GPI 7
I
5V
CPCI Power Mgmt.
IDEP_CBLID#
GPI 8
I
3.3V
IDE Primary Cable ID Line
-
INTRUDER#
I
3.3V
-
IDES_CBLID#
GPI 11
I
3.3V
IDE Secondary Cable ID Line
EXP_PME#
GPI 12
I
3.3V
Expansion Interface PME# Line
EXP_SMI#
GPI 13
I
3.3V
Expansion Interface SMI# Line
-
GPO 16
O
3.3V
-
-
GPO 17
O
3.3V
-
ICH_GPO18
GPO 18
O
3.3V
PLD (GP LED Control)
RTCRST#
1)
GPO 19
O
3.3V
ICH4 (RTCRST# Input)
ICH_GPO20
GPO 20
O
3.3V
PLD (PWR LED Control)
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