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Cetrix CZ974 (Tablet, 9.7 Inch, 3G, Bluetooth, WiFi, Touch Screen, Dual Sim Card)

Tablets 9.7 Inch, Cetrix, Tablet

Cetrix CZ974 (Tablet, 9.7 Inch, 3G, Bluetooth, WiFi, Touch Screen, Dual Sim Card)
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Review of Linux Compatibility

Cetrix CZ974 – The Ubuntu Tablet

The CZ974 from Cetrix (http://www.cetrixinc.com/) is available with pre-installed Ubuntu 14.10. The tablet has a 9.7 inch IPS with Capacitive touch screen with a resolution of 2048×1536, 2xMicro USB connections, Earphone plug, MicroSD Slot, and HDMI connector. The tablet is 246 mm x 190 mm x 15 mm large and weights 840 g. It was tested with Ubuntu 14.10 installed and a Linux kernel of version 3.16.0.

CPU + Memory

The test tablet had 4GB of RAM

Memory: 3918336K/4086692K available (7743K kernel code, 1197K rwdata, 3612K rodata, 1360K init, 1308K bss, 168356K reserved)

and an Intel Celeron 1037U processor with a speed of 3591 bogomips:

cpu family	: 6
model		: 58
model name	: Intel(R) Celeron(R) CPU 1037U @ 1.80GHz
stepping	: 9
microcode	: 0x15
cpu MHz		: 1787.062
cache size	: 2048 KB
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36
 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc
 arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni
 pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2
 x2apic popcnt tsc_deadline_timer xsave lahf_lm arat epb xsaveopt pln pts dtherm
 tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms
bogomips	: 3591.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual

Harddisk

An 64GB KingSpec SSD is used as storage media. This SSD is automatically recognized by the Linux kernel and fully supported:

 ata1.00: ATA-8: KingSpec KSM-mSATA.5i-064MJ, 130206, max UDMA/133
 ata1.00: 125045424 sectors, multi 1: LBA48 NCQ (depth 31/32), AA
 ata1.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded
 ata1.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out
 ata1.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out
 ata1.00: configured for UDMA/133
 scsi 0:0:0:0: Direct-Access     ATA      KingSpec KSM-mSA 06   PQ: 0 ANSI: 5
 sd 0:0:0:0: Attached scsi generic sg0 type 0
 sd 0:0:0:0: [sda] 125045424 512-byte logical blocks: (64.0 GB/59.6 GiB)
 sd 0:0:0:0: [sda] Write Protect is off
 sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
 sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

Graphics

The Intel graphics chipset is fully supported by the i915 kernel driver:

00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0156] (rev 09)
	Subsystem: Intel Corporation Device [8086:2010]
	Kernel driver in use: i915

This driver is loaded automatically and is also supported under Xorg:

 (II) LoadModule: "intel"
 (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
 (II) Module intel: vendor="X.Org Foundation"
 	compiled for 1.16.0, module version = 2.99.914
 	Module class: X.Org Video Driver
 	ABI class: X.Org Video Driver, version 18.0
[...]
 intel(0): switch to mode 2048x1536@60.0 on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none

Webcam

The integrated webcam of the Cetrix CZ974 has the USB ID 058f:5608:

Bus 001 Device 005: ID 058f:5608 Alcor Micro Corp.

and is automatically recognized by the Linux kernel:

usb 1-1.3: New USB device found, idVendor=058f, idProduct=5608
usb 1-1.3: New USB device strings: Mfr=3, Product=1, SerialNumber=0
usb 1-1.3: Product: USB 2.0 Camera
usb 1-1.3: Manufacturer: Alcor Micro, Corp.

The uvcvideo webcam driver of the Linux kernel fully supports this webcam:

Linux video capture interface: v2.00
uvcvideo: Found UVC 1.00 device USB 2.0 Camera (058f:5608)
input: USB 2.0 Camera as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.3/1-1.3:1.0/input/input11
usbcore: registered new interface driver uvcvideo
USB Video Class driver (1.1.1)

Sound

For sound an Intel chipset is used:

00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
	Subsystem: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20]
	Kernel driver in use: snd_hda_intel

which is fully supported by the snd_hda_intel kernel module.
This module loads automatically and sound devices are available under ALSA:

snd_hda_intel 0000:00:1b.0: irq 43 for MSI/MSI-X
sound hdaudioC0D0: autoconfig: line_outs=1 (0x15/0x0/0x0/0x0/0x0) type:speaker
sound hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
sound hdaudioC0D0:    hp_outs=0 (0x0/0x0/0x0/0x0/0x0)
sound hdaudioC0D0:    mono: mono_out=0x0
sound hdaudioC0D0:    inputs:
sound hdaudioC0D0:      Mic=0x19
input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14
input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15
input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input16

WiFi

Wireless internet is provided by the Ralink RT5370 chipset with USB ID 148f:5370

Bus 001 Device 008: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter

The corresponding WiFi driver loads automatically:

usb 1-1.1.1: New USB device found, idVendor=148f, idProduct=5370
usb 1-1.1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1.1.1: Product: 802.11 n WLAN
usb 1-1.1.1: Manufacturer: Ralink
usb 1-1.1.1: SerialNumber: 1.0
[...]
ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 5390, rev 0502 detected
ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 5370 detected

Hardware Overview

The Cetrix CZ974 is equipped with the following hardware components. These components are automatically recognized by the Linux kernel:

00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09)
	Subsystem: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154]
	Kernel driver in use: ivb_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0156] (rev 09)
	Subsystem: Intel Corporation Device [8086:2010]
	Kernel driver in use: i915
00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
	Subsystem: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a]
	Kernel driver in use: mei_me
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
	Subsystem: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d]
	Kernel driver in use: ehci-pci
00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
	Subsystem: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20]
	Kernel driver in use: snd_hda_intel
00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
	Subsystem: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26]
	Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation 7 Series Chipset Family LPC Controller [8086:1e5f] (rev 04)
	Subsystem: Intel Corporation 7 Series Chipset Family LPC Controller [8086:1e5f]
	Kernel driver in use: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
	Subsystem: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03]
	Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04)
	Subsystem: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22]

Identified Hardware Configurations (1 Result)

This hardware component was used by Linux users under the following system configurations. These results were collected by our LHG Scan Tool:
Distribution
Kernel
Rating
Scan Date
Ubuntu 14.10 3.16.0-31-generic - 12/03/2015

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