Re: aurais-tu des détails ?

Voici une première précision :

debian:/home/behr# lspci -v
.&checktime(0000,00,00,':').0 Host bridge: VIA Technologies, Inc.: Unknown device 0259
Subsystem: Unknown device 1734:10ab
Flags: bus master, 66MHz, medium devsel, latency 8
Memory at a0000000 (32-bit, prefetchable) [size=128M]
Capabilities: [80] AGP version 3.5
Capabilities: [50] Power Management version 2

.&checktime(0000,00,00,':').1 Host bridge: VIA Technologies, Inc.: Unknown device 1259
Flags: bus master, medium devsel, latency 0

.&checktime(0000,00,00,':').2 Host bridge: VIA Technologies, Inc.: Unknown device 2259
Flags: bus master, medium devsel, latency 0

.&checktime(0000,00,00,':').3 Host bridge: VIA Technologies, Inc.: Unknown device 3259
Flags: bus master, medium devsel, latency 0

.&checktime(0000,00,00,':').4 Host bridge: VIA Technologies, Inc.: Unknown device 4259
Flags: bus master, medium devsel, latency 0

.&checktime(0000,00,00,':').7 Host bridge: VIA Technologies, Inc.: Unknown device 7259
Flags: bus master, medium devsel, latency 0

.&checktime(0000,00,01,':').0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, medium devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000c000-0000dfff
Memory behind bridge: c0000000-cfffffff
Prefetchable memory behind bridge: 90000000-9fffffff
Secondary status: SERR
Capabilities: [70] Power Management version 2

.&checktime(0000,00,06,':').0 Ethernet controller: Atheros Communications, Inc.: Unknown device 001a (rev 01)
Subsystem: Atheros Communications, Inc.: Unknown device 2052
Flags: medium devsel
Memory at 1c000000 (32-bit, non-prefetchable) [disabled] [size=64K]
Capabilities: [44] Power Management version 2

.&checktime(0000,00,09,':').0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller (rev 01)
Subsystem: Unknown device 1734:10ab
Flags: bus master, medium devsel, latency 168
Memory at 1c010000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=00, secondary=02, subordinate=05, sec-latency=176
Memory window 0: 1c400000-1c7ff000 (prefetchable)
Memory window 1: 1c800000-1cbff000
I/O window 0: 00004000-000040ff
I/O window 1: 00004400-000044ff
16-bit legacy interface ports at 0001

.&checktime(0000,00,10,':').0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI])
Subsystem: Unknown device 1734:10ab
Flags: bus master, medium devsel, latency 22, IRQ 11
I/O ports at 1200 [size=32]
Capabilities: [80] Power Management version 2

.&checktime(0000,00,10,':').1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI])
Subsystem: Unknown device 1734:10ab
Flags: bus master, medium devsel, latency 22, IRQ 7
I/O ports at 1220 [size=32]
Capabilities: [80] Power Management version 2

.&checktime(0000,00,10,':').2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI])
Subsystem: Unknown device 1734:10ab
Flags: bus master, medium devsel, latency 22, IRQ 5
I/O ports at 1240 [size=32]
Capabilities: [80] Power Management version 2

.&checktime(0000,00,10,':').3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) (prog-if 20 [EHCI])
Subsystem: Unknown device 1734:10ab
Flags: bus master, medium devsel, latency 22, IRQ 10
Memory at f0000000 (32-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2

.&checktime(0000,00,11,':').0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
Subsystem: Unknown device 1734:10ab
Flags: bus master, stepping, medium devsel, latency 0
Capabilities: [c0] Power Management version 2

.&checktime(0000,00,11,':').1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) (prog-if 8a [Master SecP PriP])
Subsystem: Unknown device 1734:10ab
Flags: bus master, stepping, medium devsel, latency 64
I/O ports at 1100 [size=16]
Capabilities: [c0] Power Management version 2

.&checktime(0000,00,11,':').5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
Subsystem: Unknown device 1734:10ab
Flags: medium devsel, IRQ 5
I/O ports at e000 [size=256]
Capabilities: [c0] Power Management version 2

.&checktime(0000,00,11,':').6 Communication controller: VIA Technologies, Inc. Intel 537 [AC97 Modem] (rev 80)
Subsystem: Unknown device 1734:10ab
Flags: medium devsel, IRQ 5
I/O ports at e100 [size=256]
Capabilities: [d0] Power Management version 2

.&checktime(0000,00,12,':').0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74)
Subsystem: Unknown device 1734:10ab
Flags: bus master, stepping, medium devsel, latency 128, IRQ 11
I/O ports at e200 [size=256]
Memory at d0000000 (32-bit, non-prefetchable) [size=256]
Capabilities: [40] Power Management version 2

.&checktime(0000,01,00,':').0 VGA compatible controller: VIA Technologies, Inc.: Unknown device 3118 (rev 02) (prog-if 00 [VGA])
Subsystem: Unknown device 1734:10ab
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 11
Memory at 90000000 (32-bit, prefetchable) [size=64M]
Memory at c0000000 (32-bit, non-prefetchable) [size=16M]
Expansion ROM at [disabled] [size=64K]
Capabilities: [60] Power Management version 2
Capabilities: [70] AGP version 2.0


Par ailleurs, j'ai déjà changé le fichier XF86Config-4 en remplaçant 1024x768 par 1280x800, ça n'a pas marché ...