[root@Portable Desktop]# setpci -s 0:10.* latency_timer=40




[root@Portable Desktop]# lspci -v
00:00.0 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
        Subsystem: Mitac: Unknown device 8965
        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

00:00.1 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
        Flags: bus master, medium devsel, latency 0

00:00.2 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
        Flags: bus master, medium devsel, latency 0

00:00.3 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
        Flags: bus master, medium devsel, latency 0

00:00.4 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
        Flags: bus master, medium devsel, latency 0

00:00.7 Host bridge: VIA Technologies, Inc. CN400/PM880 Host Bridge
        Flags: bus master, medium devsel, latency 0

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

00:06.0 Ethernet controller: Winbond Electronics Corp: Unknown device 0033
        Subsystem: Winbond Electronics Corp: Unknown device 0033
        Flags: medium devsel
        I/O ports at 1800 [disabled] [size=256]
        I/O ports at 1080 [disabled] [size=128]
        Memory at 0c000000 (32-bit, non-prefetchable) [disabled] [size=512]
        Capabilities: [dc] Power Management version 2

00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI])
        Subsystem: Mitac: Unknown device 8965
        Flags: bus master, medium devsel, latency 64, IRQ 11
        I/O ports at 1200 [size=32]
        Capabilities: [80] Power Management version 2

00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI])
        Subsystem: Mitac: Unknown device 8965
        Flags: bus master, medium devsel, latency 64, IRQ 7
        I/O ports at 1220 [size=32]
        Capabilities: [80] Power Management version 2

00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80) (prog-if 00 [UHCI])
        Subsystem: Mitac: Unknown device 8965
        Flags: bus master, medium devsel, latency 64, IRQ 5
        I/O ports at 1240 [size=32]
        Capabilities: [80] Power Management version 2

00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82) (prog-if 20 [EHCI])
        Subsystem: Mitac: Unknown device 8965
        Flags: bus master, medium devsel, latency 64, IRQ 10
        Memory at 0c000200 (32-bit, non-prefetchable) [size=256]
        Capabilities: [80] Power Management version 2

00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
        Subsystem: Mitac: Unknown device 8965
        Flags: bus master, stepping, medium devsel, latency 0
        Capabilities: [c0] Power Management version 2

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: Mitac: Unknown device 8965
        Flags: bus master, stepping, medium devsel, latency 64, IRQ 11
        I/O ports at 1100 [size=16]
        Capabilities: [c0] Power Management version 2

00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
        Subsystem: Mitac: Unknown device 8965
        Flags: medium devsel, IRQ 5
        I/O ports at e000 [size=256]
        Capabilities: [c0] Power Management version 2

00:11.6 Communication controller: VIA Technologies, Inc. AC'97 Modem Controller (rev 80)
        Subsystem: Mitac: Unknown device 8965
        Flags: medium devsel, IRQ 5
        I/O ports at e100 [size=256]
        Capabilities: [d0] Power Management version 2

00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74)
        Subsystem: Mitac: Unknown device 8965
        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

01:00.0 VGA compatible controller: VIA Technologies, Inc. S3 Unichrome Pro VGA Adapter (rev 02) (prog-if 00 [VGA])
        Subsystem: Mitac: Unknown device 8965
        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 <unassigned> [disabled] [size=64K]
        Capabilities: [60] Power Management version 2
        Capabilities: [70] AGP version 2.0