Specifications

 2012 Advanced Micro Devices, Inc.
SATA: dev-17, func-0
AMD SP5100 Register Programming Requirements
Page 55
7.4 Disabling Unused SATA Ports
ASIC Rev Register Settings Function/Comment
All Revs SP5100 SATA_PCI_config 0x40 [16] = 1 When set, SATA port0 is disabled, and port0 clock is shut down.
SATA_PCI_config 0x40 [17] = 1 When set, SATA port1 is disabled, and port1 clock is shut down.
SATA_PCI_config 0x40 [18] = 1 When set, SATA port2 is disabled, and port2 clock is shut down.
SATA_PCI_config 0x40 [19] = 1 When set, SATA port3 is disabled, and port3 clock is shut down.
SATA_PCI_config 0x40 [20] = 1 When set, SATA port4 is disabled, and port4 clock is shut down.
SATA_PCI_config 0x40 [21] = 1 When set, SATA port5 is disabled, and port5 clock is shut down.
Note: Some board designs may choose to disable unused SATA ports to reduce power consumption.
SATA
USB
SMBUS
PATA
AC97
HD AUDIO
LPC
PCI
For register details refer to
the sections check-marked
in the SP5100 Register
Reference Guide
X
RTC
ACPI
PM REG
A-LINK
I/O REG
XIOAPIC