This is an entry for Phoronix LCH. Feel free to comment on the Linux compatibility for the ATI Radeon X1800XL 256MB in this thread.
ATI Radeon X1800XL 256MB
Description: 16 Pixel Pipelines, PCI Express x16, 256MB 256-bit GDDR3, OpenGL 2.0
Hardware Notes:
lspci -v
07:00.0 VGA compatible controller: ATI Technologies Inc R520 [Radeon X1800] (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc Unknown device 0b12
Flags: bus master, fast devsel, latency 0, IRQ 9
Memory at c0000000 (64-bit, prefetchable) [size=256M]
Memory at d0100000 (64-bit, non-prefetchable) [size=64K]
I/O ports at 3000 [size=256]
[virtual] Expansion ROM at d0120000 [disabled] [size=128K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Express Endpoint IRQ 0
Capabilities: [80] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
07:00.1 Display controller: ATI Technologies Inc R520 [Radeon X1800] (Secondary)
Subsystem: ATI Technologies Inc Unknown device 0b13
Flags: bus master, fast devsel, latency 0
Memory at d0110000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Express Endpoint IRQ 0
ATI Radeon X1800XL 256MB
Description: 16 Pixel Pipelines, PCI Express x16, 256MB 256-bit GDDR3, OpenGL 2.0
Hardware Notes:
lspci -v
07:00.0 VGA compatible controller: ATI Technologies Inc R520 [Radeon X1800] (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc Unknown device 0b12
Flags: bus master, fast devsel, latency 0, IRQ 9
Memory at c0000000 (64-bit, prefetchable) [size=256M]
Memory at d0100000 (64-bit, non-prefetchable) [size=64K]
I/O ports at 3000 [size=256]
[virtual] Expansion ROM at d0120000 [disabled] [size=128K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Express Endpoint IRQ 0
Capabilities: [80] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
07:00.1 Display controller: ATI Technologies Inc R520 [Radeon X1800] (Secondary)
Subsystem: ATI Technologies Inc Unknown device 0b13
Flags: bus master, fast devsel, latency 0
Memory at d0110000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Express Endpoint IRQ 0