I haven't encountered any problems with FLOSS compatibility, everything worked out of the box.

The laptop came with Ubuntu pre-installed.

lspci -vmmnn

Slot:	00:00.0
Class:	Host bridge [0600]
Vendor:	Intel Corporation [8086]
Device:	Mobile PM965/GM965/GL960 Memory Controller Hub [2a00]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	0c

Slot:	00:02.0
Class:	VGA compatible controller [0300]
Vendor:	Intel Corporation [8086]
Device:	Mobile GM965/GL960 Integrated Graphics Controller (primary) [2a02]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	0c

Slot:	00:02.1
Class:	Display controller [0380]
Vendor:	Intel Corporation [8086]
Device:	Mobile GM965/GL960 Integrated Graphics Controller (secondary) [2a03]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	0c

Slot:	00:1a.0
Class:	USB Controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) USB UHCI Controller #4 [2834]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	00:1a.1
Class:	USB Controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) USB UHCI Controller #5 [2835]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	00:1a.7
Class:	USB Controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) USB2 EHCI Controller #2 [283a]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02
ProgIf:	20

Slot:	00:1b.0
Class:	Audio device [0403]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) HD Audio Controller [284b]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	00:1c.0
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) PCI Express Port 1 [283f]
Rev:	02

Slot:	00:1c.1
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) PCI Express Port 2 [2841]
Rev:	02

Slot:	00:1c.5
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) PCI Express Port 6 [2849]
Rev:	02

Slot:	00:1d.0
Class:	USB Controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) USB UHCI Controller #1 [2830]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	00:1d.1
Class:	USB Controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) USB UHCI Controller #2 [2831]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	00:1d.2
Class:	USB Controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) USB UHCI Controller #3 [2832]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	00:1d.7
Class:	USB Controller [0c03]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) USB2 EHCI Controller #1 [2836]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02
ProgIf:	20

Slot:	00:1e.0
Class:	PCI bridge [0604]
Vendor:	Intel Corporation [8086]
Device:	82801 Mobile PCI Bridge [2448]
Rev:	f2
ProgIf:	01

Slot:	00:1f.0
Class:	ISA bridge [0601]
Vendor:	Intel Corporation [8086]
Device:	82801HEM (ICH8M) LPC Interface Controller [2815]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	00:1f.2
Class:	IDE interface [0101]
Vendor:	Intel Corporation [8086]
Device:	82801HBM/HEM (ICH8M/ICH8M-E) SATA IDE Controller [2828]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02
ProgIf:	8f

Slot:	00:1f.3
Class:	SMBus [0c05]
Vendor:	Intel Corporation [8086]
Device:	82801H (ICH8 Family) SMBus Controller [283e]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	03:01.0
Class:	CardBus bridge [0607]
Vendor:	Ricoh Co Ltd [1180]
Device:	RL5c476 II [0476]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	ba

Slot:	03:01.1
Class:	FireWire (IEEE 1394) [0c00]
Vendor:	Ricoh Co Ltd [1180]
Device:	R5C832 IEEE 1394 Controller [0832]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	04
ProgIf:	10

Slot:	03:01.2
Class:	SD Host controller [0805]
Vendor:	Ricoh Co Ltd [1180]
Device:	R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [0822]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	21
ProgIf:	01

Slot:	09:00.0
Class:	Ethernet controller [0200]
Vendor:	Realtek Semiconductor Co., Ltd. [10ec]
Device:	RTL8101E/RTL8102E PCI Express Fast Ethernet controller [8136]
SVendor:	Dell [1028]
SDevice:	Device [029a]
Rev:	02

Slot:	0c:00.0
Class:	Network controller [0280]
Vendor:	Atheros Communications Inc. [168c]
Device:	AR242x / AR542x Wireless Network Adapter (PCI-Express) [001c]
SVendor:	Quanta Microsystems, Inc [1a32]
SDevice:	Device [0112]
Rev:	01

lspci -nnk

00:00.0 Host bridge [0600]: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub [8086:2a00] (rev 0c)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 0c)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: i915
	Kernel modules: intelfb, i915
00:02.1 Display controller [0380]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (secondary) [8086:2a03] (rev 0c)
	Subsystem: Dell Device [1028:029a]
00:1a.0 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 [8086:2834] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: uhci_hcd
00:1a.1 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 [8086:2835] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: uhci_hcd
00:1a.7 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 [8086:283a] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: ehci_hcd
00:1b.0 Audio device [0403]: Intel Corporation 82801H (ICH8 Family) HD Audio Controller [8086:284b] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: HDA Intel
	Kernel modules: snd-hda-intel
00:1c.0 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 [8086:283f] (rev 02)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 [8086:2841] (rev 02)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1c.5 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI Express Port 6 [8086:2849] (rev 02)
	Kernel driver in use: pcieport
	Kernel modules: shpchp
00:1d.0 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 [8086:2830] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: uhci_hcd
00:1d.1 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 [8086:2831] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: uhci_hcd
00:1d.2 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 [8086:2832] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: uhci_hcd
00:1d.7 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 [8086:2836] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: ehci_hcd
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev f2)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller [8086:2815] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel modules: iTCO_wdt
00:1f.2 IDE interface [0101]: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA IDE Controller [8086:2828] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: ata_piix
00:1f.3 SMBus [0c05]: Intel Corporation 82801H (ICH8 Family) SMBus Controller [8086:283e] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel modules: i2c-i801
03:01.0 CardBus bridge [0607]: Ricoh Co Ltd RL5c476 II [1180:0476] (rev ba)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: yenta_cardbus
	Kernel modules: yenta_socket
03:01.1 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd R5C832 IEEE 1394 Controller [1180:0832] (rev 04)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: firewire_ohci
	Kernel modules: firewire-ohci
03:01.2 SD Host controller [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 21)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: sdhci-pci
	Kernel modules: sdhci-pci
09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 02)
	Subsystem: Dell Device [1028:029a]
	Kernel driver in use: r8169
	Kernel modules: r8169
0c:00.0 Network controller [0280]: Atheros Communications Inc. AR242x / AR542x Wireless Network Adapter (PCI-Express) [168c:001c] (rev 01)
	Subsystem: Quanta Microsystems, Inc Device [1a32:0112]
	Kernel driver in use: ath5k
	Kernel modules: ath5k

Personal note: I have experienced severe heating problems with this product and I would not recommend.