Positivo Mobile Z520 - SiS 671MX [RESOLVIDO]

[HelderC]

Gente, eu tenho esse notebook positivo e não consigo ajustar o vídeo.
A resolução da tela está fixa em 800x600, quando o correto seria 1280x800.

Já tentei várias dicas que encontrei pela internet, e nada funcionou.

executando o lspci:

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helder@cyberhel:~$ lspci
00:00.0 Host bridge: Silicon Integrated Systems [SiS] 671MX
00:01.0 PCI bridge: Silicon Integrated Systems [SiS] SiS AGP Port (virtual PCI-to-PCI bridge)
00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS968 [MuTIOL Media IO] (rev 01)
00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev 01)
00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f)
00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f)
00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 Controller
00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] 191 Gigabit Ethernet Adapter (rev 02)
00:05.0 IDE interface: Silicon Integrated Systems [SiS] SATA Controller / IDE mode (rev 03)
00:06.0 PCI bridge: Silicon Integrated Systems [SiS] PCI-to-PCI bridge
00:07.0 PCI bridge: Silicon Integrated Systems [SiS] PCI-to-PCI bridge
00:0f.0 Audio device: Silicon Integrated Systems [SiS] Azalia Audio Controller
00:1f.0 PCI bridge: Silicon Integrated Systems [SiS] PCI-to-PCI bridge
01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS] 771/671 PCIE VGA Display Adapter (rev 10)
03:00.0 System peripheral: JMicron Technologies, Inc. SD/MMC Host Controller
03:00.2 SD Host controller: JMicron Technologies, Inc. Standard SD Host Controller
03:00.3 System peripheral: JMicron Technologies, Inc. MS Host Controller
03:00.4 System peripheral: JMicron Technologies, Inc. xD Host Controller


lspci -n

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helder@cyberhel:~$ lspci -n
00:00.0 0600: 1039:0671
00:01.0 0604: 1039:0003
00:02.0 0601: 1039:0968 (rev 01)
00:02.5 0101: 1039:5513 (rev 01)
00:03.0 0c03: 1039:7001 (rev 0f)
00:03.1 0c03: 1039:7001 (rev 0f)
00:03.3 0c03: 1039:7002
00:04.0 0200: 1039:0191 (rev 02)
00:05.0 0101: 1039:1183 (rev 03)
00:06.0 0604: 1039:000a
00:07.0 0604: 1039:000a
00:0f.0 0403: 1039:7502
00:1f.0 0604: 1039:0004
01:00.0 0300: 1039:6351 (rev 10)
03:00.0 0880: 197b:2382
03:00.2 0805: 197b:2381
03:00.3 0880: 197b:2383
03:00.4 0880: 197b:2384


Por favor, se alguem tiver a solução, desde já agradeço pela ajuda.

[HelderC]

Pessoal, me desculpem pelo post prematuro, mas consegui resolver o problema seguindo o seguinte post:

http://ubuntuforum-br.org/index.php/topic,48807.0.html