CONFIG_I8XX_TCO: Intel i8xx TCO Timer/Watchdog

General informations

The Linux kernel configuration item CONFIG_I8XX_TCO:

• prompt: Intel i8xx TCO Timer/Watchdog
• type: tristate
• depends on: CONFIG_WATCHDOG && ( CONFIG_X86 || CONFIG_IA64 ) && CONFIG_PCI
• defined in drivers/char/watchdog/Kconfig
• found in Linux kernels: 2.6.3–2.6.21
• modules built: i8xx_tco

Help text

Hardware driver for the TCO timer built into the Intel 82801 I/O Controller Hub family. The TCO (Total Cost of Ownership) timer is a watchdog timer that will reboot the machine after its second expiration. The expiration time can be configured with the "heartbeat" parameter.

On some motherboards the driver may fail to reset the chipset's NO_REBOOT flag which prevents the watchdog from rebooting the machine. If this is the case you will get a kernel message like "failed to reset NO_REBOOT flag, reboot disabled by hardware".

To compile this driver as a module, choose M here: the module will be called i8xx_tco.

Note: This driver will be removed in the near future. Please use the Intel TCO Timer/Watchdog driver.

Hardware

PCI

Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:

• vendor: 8086 ("Intel Corporation"), device: 2410 ("82801AA ISA Bridge (LPC)")
• vendor: 8086 ("Intel Corporation"), device: 2420 ("82801AB ISA Bridge (LPC)")
• vendor: 8086 ("Intel Corporation"), device: 2440 ("82801BA ISA Bridge (LPC)")
• vendor: 8086 ("Intel Corporation"), device: 244c ("82801BAM ISA Bridge (LPC)")
• vendor: 8086 ("Intel Corporation"), device: 2450 ("82801E ISA Bridge (LPC)")
• vendor: 8086 ("Intel Corporation"), device: 2480 ("82801CA LPC Interface Controller")
• vendor: 8086 ("Intel Corporation"), device: 248c ("82801CAM ISA Bridge (LPC)")
• vendor: 8086 ("Intel Corporation"), device: 24c0 ("82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge")
• vendor: 8086 ("Intel Corporation"), device: 24cc ("82801DBM (ICH4-M) LPC Interface Bridge")
• vendor: 8086 ("Intel Corporation"), device: 24d0 ("82801EB/ER (ICH5/ICH5R) LPC Interface Bridge")
• vendor: 8086 ("Intel Corporation"), device: 25a1 ("6300ESB LPC Interface Controller")
• vendor: 8086 ("Intel Corporation"), device: 2640 ("82801FB/FR (ICH6/ICH6R) LPC Interface Bridge")
• vendor: 8086 ("Intel Corporation"), device: 2641 ("82801FBM (ICH6M) LPC Interface Bridge")
• vendor: 8086 ("Intel Corporation"), device: 2642 ("82801FW/FRW (ICH6W/ICH6RW) LPC Interface Bridge")
• vendor: 8086 ("Intel Corporation"), device: 27b1
• vendor: 8086 ("Intel Corporation"), device: 27b8 ("82801GB/GR (ICH7 Family) LPC Interface Bridge")
• vendor: 8086 ("Intel Corporation"), device: 27b9 ("82801GBM (ICH7-M) LPC Interface Bridge")

LKDDb

Raw data from LKDDb:

• lkddb module i8xx_tco CONFIG_I8XX_TCO : drivers/char/watchdog/Kconfig : "Intel i8xx TCO Timer/Watchdog" # in 2.6.3–2.6.21
• lkddb pci 8086 2410 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 2420 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 2440 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 244c .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 2450 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 2480 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 248c .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 24c0 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 24cc .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.11–2.6.21
• lkddb pci 8086 24d0 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.3–2.6.21
• lkddb pci 8086 25a1 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.12–2.6.21
• lkddb pci 8086 2640 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.11–2.6.16
• lkddb pci 8086 2641 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.11–2.6.16
• lkddb pci 8086 2642 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.11–2.6.16
• lkddb pci 8086 27b1 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.11
• lkddb pci 8086 27b8 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.11–2.6.16
• lkddb pci 8086 27b9 .... .... ...... : CONFIG_I8XX_TCO CONFIG_WATCHDOG : drivers/char/watchdog/i8xx_tco.c # in 2.6.12–2.6.16

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)
• The Linux PCI ID Repository.

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