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Debian with Chipset SiS 661/741/760
Debian with Chipset SiS 661/741/760
Hi.
I have an old computer with the following configuration.
Processor Amd Sempron 3000, 2 Gb memory with Chipset SiS 661/741/760.
I installed Debian 11 LXDE 64 bits but the resolution is only 640x480 with driver vesa.
Before installing Debian, I installed Xubuntu 20.04 and have 1024x768 resolution with driver fbdev.
How to get resolution 1024x768 with Debian?
Thanks!
I have an old computer with the following configuration.
Processor Amd Sempron 3000, 2 Gb memory with Chipset SiS 661/741/760.
I installed Debian 11 LXDE 64 bits but the resolution is only 640x480 with driver vesa.
Before installing Debian, I installed Xubuntu 20.04 and have 1024x768 resolution with driver fbdev.
How to get resolution 1024x768 with Debian?
Thanks!
Re: Debian with Chipset SiS 661/741/760
Before installing Debian 11 I had installed Debian 10 LXQt but the resolution also with 640x480.
Characteristics:
Motherboard PCChips A33G
Chipset SiS 661/741/760
Xorg 1.20
Driver: vesa unloaded: fbdev, modesetting
OpenGL renderer: llvmpipe
Resolution 640x480
Characteristics:
Motherboard PCChips A33G
Chipset SiS 661/741/760
Xorg 1.20
Driver: vesa unloaded: fbdev, modesetting
OpenGL renderer: llvmpipe
Resolution 640x480
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Re: Debian with Chipset SiS 661/741/760
Please post output of
Code: Select all
# dmesg | grep firmware
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Re: Debian with Chipset SiS 661/741/760
Scrub that! It looks like the driver for this was dropped by Debian years ago.
viewtopic.php?f=7&t=121801
Maybe try Antix: looks like they might have a driver:
https://github.com/antiX-Linux/xf86-vid ... mation.txt
PCLinuxOS still supports SIS, according to some posts.
viewtopic.php?f=7&t=121801
Maybe try Antix: looks like they might have a driver:
https://github.com/antiX-Linux/xf86-vid ... mation.txt
PCLinuxOS still supports SIS, according to some posts.
Re: Debian with Chipset SiS 661/741/760
Hi Frank.
I've already installed PCLinuxOS and the driver really works very well and with the right resolution for the monitor.
See the features:
PCLinuxOS Xfce 2021.02
Motheboard PCChips A33G, Chipset SiS 661/741/760
Kernel 5.9.16-pclos3
Xorg 1.20.10
Driver: sis, v4l
OpenGL renderer: llvmpipe
Resolution 1360x768 @ 60 Hz
It's true PCLinuxOS has a specific driver for this SiS model.PCLinuxOS still supports SIS, according to some posts.
I've already installed PCLinuxOS and the driver really works very well and with the right resolution for the monitor.
See the features:
PCLinuxOS Xfce 2021.02
Motheboard PCChips A33G, Chipset SiS 661/741/760
Kernel 5.9.16-pclos3
Xorg 1.20.10
Driver: sis, v4l
OpenGL renderer: llvmpipe
Resolution 1360x768 @ 60 Hz
Last edited by goltrek on 2021-11-18 13:20, edited 1 time in total.
Re: Debian with Chipset SiS 661/741/760
I'm not at the computer right now to see this command, only when I'm home.FreewheelinFrank wrote: ↑2021-11-18 06:42 Please post output of
Code: Select all
# dmesg | grep firmware
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Re: Debian with Chipset SiS 661/741/760
It won't help I'm afraid. I thought the driver might be missing some firmware, but there is no driver. Debian is falling back to something very, very basic to give you screen output.goltrek wrote: ↑2021-11-18 13:46I'm not at the computer right now to see this command, only when I'm home.FreewheelinFrank wrote: ↑2021-11-18 06:42 Please post output of
Code: Select all
# dmesg | grep firmware
Re: Debian with Chipset SiS 661/741/760
I thank you for the help.FreewheelinFrank wrote: ↑2021-11-18 13:56It won't help I'm afraid. I thought the driver might be missing some firmware, but there is no driver. Debian is falling back to something very, very basic to give you screen output.goltrek wrote: ↑2021-11-18 13:46I'm not at the computer right now to see this command, only when I'm home.FreewheelinFrank wrote: ↑2021-11-18 06:42 Please post output of
Code: Select all
# dmesg | grep firmware
Re: Debian with Chipset SiS 661/741/760
Debian 10 and Debian 11 boot Xorg with vesa driver, resolution 640x480.
Xubuntu 20.04 starts Xorg with fbdev driver, resolution 1024x768.
Not understand why the difference?
Xubuntu 20.04 starts Xorg with fbdev driver, resolution 1024x768.
Not understand why the difference?
Last edited by goltrek on 2021-11-18 14:44, edited 1 time in total.
Re: Debian with Chipset SiS 661/741/760
Arch appears to have a driver for sis with interesting comments and links:
https://aur.archlinux.org/packages/xf86-video-sis/
https://aur.archlinux.org/packages/xf86-video-sis/
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Re: Debian with Chipset SiS 661/741/760
The Xorg fbdev driver needs a framebuffer /dev/fb* to be present. Maybe you need to load the "sisfb" module to enable the SIS framebuffer. Old-style framebuffer drivers are blacklisted in /lib/modprobe.d/fbdev-blacklist.conf.
Test : stop Xorg, run
restart Xorg.
If effective, add "sisfb" to /etc/modules and reboot.
Test : stop Xorg, run
Code: Select all
modprobe sisfb
If effective, add "sisfb" to /etc/modules and reboot.
Re: Debian with Chipset SiS 661/741/760
Hi PH, thanks for the tip. I'm not experienced user.p.H wrote: ↑2021-11-20 09:21 The Xorg fbdev driver needs a framebuffer /dev/fb* to be present. Maybe you need to load the "sisfb" module to enable the SIS framebuffer. Old-style framebuffer drivers are blacklisted in /lib/modprobe.d/fbdev-blacklist.conf.
Test : stop Xorg, runrestart Xorg.Code: Select all
modprobe sisfb
If effective, add "sisfb" to /etc/modules and reboot.
I have some doubts.
How to stop Xorg?
How to restart Xorg?
How to add sisfb?
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Re: Debian with Chipset SiS 661/741/760
Close all graphic sessions.
Press Ctrl+Alt+F1 (or F2, F3... F6 depending on your setup) to switch to a text console.
Login as root (or user and use sudo/su).
Stop the display manager with either
Load the module and check a framebuffer device is present
Restart the display manager with either
and open a graphic session. If it works, open the file /etc/modules in your favorite text editor (NOT word processor) as root, add a line containing "sisfb" and save.
Press Ctrl+Alt+F1 (or F2, F3... F6 depending on your setup) to switch to a text console.
Login as root (or user and use sudo/su).
Stop the display manager with either
Code: Select all
systemctl stop display-manager
systemctl isolate multi-user
telinit 2
Code: Select all
modprobe sisfb
ls /dev/fb*
Code: Select all
systemctl start display-manager
systemctl isolate graphical
telinit 5
Re: Debian with Chipset SiS 661/741/760
@p.H
Thanks for the reply and tips.
I'm not using the computer, maybe this weekend.
Thanks for the reply and tips.
I'm not using the computer, maybe this weekend.