Im trying to figure out how to control the fan speed on my GPU,
it runs full-speed under nouveau, and is noisy.
along the way, I noticed a discrepancy in lspci output,
the mapped memory is smaller than whats on the card.
Shouldnt the mapping expose *all* the video ram, or is it something
else entirely ?
01:00.0 0300: 10de:0a20 (rev a2) (prog-if 00 [VGA controller])
Subsystem: 10de:069a
Flags: bus master, fast devsel, latency 0, IRQ 18
Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
Memory at ce000000 (64-bit, prefetchable) [size=32M]
I/O ports at d800 [size=128]
Expansion ROM at fea80000 [disabled] [size=512K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [b4] Vendor Specific Information: Len=14 <?>
Capabilities: [100] Virtual Channel
Capabilities: [128] Power Budgeting <?>
Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024
<?>
Kernel driver in use: nouveau
Kernel modules: nouveau, nvidiafb
NVclock (cvs) shows it as 1024 MB
[j...@groucho nvclock]$ sudo src/nvclock -i
Unhandled init script entry with id '�' at d483
Unhandled init script entry with id '' at 0100
Unhandled init script entry with id '' at 0101
Unhandled init script entry with id '' at 0102
Unhandled init script entry with id '�' at 02d4
Unhandled init script entry with id '�' at d483
Unhandled init script entry with id '' at 0100
Unhandled init script entry with id '' at 0101
Unhandled init script entry with id '' at 0102
Unhandled init script entry with id '�' at 02d4
Xlib: extension "NV-CONTROL" missing on display ":0.0".
-- General info --
Card: nVidia Geforce GT 220
Architecture: GA5 A2
PCI id: 0xa20
GPU clock: -8589935.000 MHz
Bustype: PCI-Express
-- Shader info --
Clock: -8589935.000 MHz
Stream units: 48 (00000011b)
ROP units: 8 (00000011b)
-- Memory info --
Amount: 1024 MB
Type: 128 bit DDR3
Clock: -8589935.000 MHz
-- PCI-Express info --
Current Rate: 16X
Maximum rate: 16X
-- VideoBios information --
Version: 70.16.13.00.01
Signon message: GeForce GT 220 VGA BIOS
VID mask: 14
Voltage level 0: 0.01V, VID: 0
Voltage level 1: 0.00V, VID: 22
Voltage level 2: 0.00V, VID: 0
any other info is also most welcome
tia
~jimc
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