Asus Terminator C3
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Contents |
[edit] Introduction
The Asus Terminator C3 is a small and inexpensive barebones system which is well suited for tasks such as serving as a home firewall/router. It has an on-board 10/100 ethernet adapter and a single PCI slot available which is well suited for a second ethernet adapter. It comes with case, motherboard, processor, cdrom, and floppy. Therefore only lacking a disk and memory to be operational.
[edit] The Processor
The Terminator C3 gets its name from the fact that its CPU is a VIA C3. The C3 does not have all of the instructions of the Intel 686. In particular, it is missing the CMOV instruction. Therefore, when building Gentoo for this system, you'll need to use the "-mcpu=i586 -march=i586" flags to avoid any possibilty of non-C3 instructions being generated. Interestingly enough, you will seemingly need to specify both "-mcpu=" and "-march=", as some packages happily build with "-mcpu=i686 -march=i586" otherwise.
A quick search of the internet reveals that the C3 has 3dnow instructions and furthermore that its rather small cache size is well served by -Os. Here is an example make.conf (of course the GENTOO_MIRRORS and SYNC lines should be tailored to each installation):
| File: /etc/make.conf |
CHOST="i386-pc-linux-gnu"
CFLAGS="-mcpu=i586 -march=i586 -m3dnow -Os -pipe -fomit-frame-pointer"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j2"
AUTOCLEAN="yes"
GENTOO_MIRRORS="..."
SYNC="..." |
[edit] Configuration Notes
[edit] Kernel Config
Among other things, you'll want to specify that you have a Cyrix C3 Processor:
| File: Partial /usr/src/linux/.config |
# # Processor type and features CONFIG_MCYRIXIII=y # # Power management options (ACPI, APM) # CONFIG_PM=y # ACPI (Advanced Configuration and Power Interface) Support # CONFIG_ACPI=y |
[edit] On-board Ethernet
The C3 has a Via Rhine 10/100 ethernet adaptor on the mainboard which will need to be auto-loaded at boot time if not compiled into the kernel. For example:
| File: /etc/modules.autoload.d/kernel-2.6 |
# On board 10/100 ethernet via-rhine # Add-in 10/100/1000 ethernet r8169 |
[edit] Hardware Sensors
Here's a quick tip: turn OFF "Q-fan control" in the BIOS, otherwise, lm_sensors' fancontrol won't work properly or at all!
Here are working examples of the lm_sensors and fancontrol files (be sure to quadruple check your use of fancontrol):
| File: /etc/conf.d/lm_sensors |
# Load modules at startup LOADMODULES=yes # Initialize sensors at startup INITSENSORS=yes MODULE_0=i2c-viapro MODULE_1=i2c-isa MODULE_2=w83627hf MODULE_2_ARGS=init=0 |
| File: /etc/fancontrol |
INTERVAL=8 FCTEMPS= 9191-0290/pwm2=9191-0290/temp2_input FCFANS= 9191-0290/pwm2=9191-0290/fan2_input MINTEMP= 9191-0290/pwm2=25 MAXTEMP= 9191-0290/pwm2=50 MINSTART= 9191-0290/pwm2=110 MINSTOP= 9191-0290/pwm2=115 |
You should probably use pwmconfig to configure your fan control settings as it is possible that they will vary from system to system.
