Panasonic Toughbook CF-33 (Mk1) Repair

The Panasonic Toughbook CF-33 is a detachable tablet/laptop that is ruggedized for use in harsh conditions. Panasonic released four generations of hardware variants under the CF-33 model name, beginning with this model (Mk1) in February 2017. Panasonic continues providing software and driver support under Windows 10 as of February 2026; the Mk1's 6th/7th gen Intel Core processors are not officially supported by Windows 11.

The CF-33 Mk1 features a magnesium alloy chassis with ABS and elastomer edges for durability. It carries MIL-STD-810G and MIL-STD-461F as well as IP65 certifications. The tablet alone is rated to withstand a 5' drop, with the keyboard base attached it has a 4' drop rating.

The CF-33 was configurable with a variety of peripherals targeted to different industries including a barcode scanner, SmartCard reader, fingerprint reader, GPS receiver, 4G WWAN cellular network card, DB-9 serial port, and additional USB 2.0 port. Many of these peripherals are difficult or costly to obtain on the secondary market.

The full model number is in the format "CF-33*xxxxxx" where the character immediately after CF-33, represented by the asterisk here, denotes the generation. Mk1 variants will have A/B/C/D/E/L/M/N/P/Q/V/W at this position in the model number. Within those, D/E/P/Q variants have a 6th gen Core processor, all others are 7th gen.

If you have any other character in this position then your model is a Mk2 (G/J/K/R/S/X/1/2/3,) Mk3 (T/U/4/5/6/7,) or Mk4 (Y/8/9/0) and some or all of the following information may not apply.

An easy way to visibly distinguish generations is the Mk1 has the front camera set into the silver-colored magnesium housing with the black top edge bumper running straight across above it. The Mk2 onward have a black bezel that protrudes downward from the bumper and surrounds the camera cutout.

Display

• 12.0" 3:2 backlit LCD
• QHD 2160 x 1440 resolution (~216 ppi)
• Up to 1200 nits brightness for visibility in sunlight
• 10-point capacitive multi-touch with glove and rain support
• Wacom digitizer for use with stylus

Processor

• Intel 7th gen Core vPro processor, 2 cores/4 threads, 15W TDP (non-removable)
  • i5-7300U 2.6 GHz with 3 MB cache or i7-7600U 2.8 GHz with 4 MB cache
  • Intel HD Graphics 620
• Intel 6th gen Core vPro processor, 2 cores/4 threads, 15W TDP (non-removable)
  • i5-6300U 2.4 GHz with 3 MB cache or i7-6600U 2.6 GHz with 4 MB cache
  • Intel HD Graphics 520
  • 6th gen processors were offered as a Windows 7 downgrade path

Memory and Storage

• 8 GB or 16 GB of 1866MHz LPDDR3 onboard memory (non-removable)
• 256 GB or 512 GB SATA-based SSD with heater
  • M.2 2280 M-key form factor, SATA NGFF (NVMe/PCIe not compatible)
• Optional quick-release SSD (available with SmartCard reader and long life batteries)

Connectivity (on tablet)

• (1) USB 3.0 type-A
• Ethernet 10/100/1000 (full size RJ-45)
• HDMI (full size)
• 3.5 mm audio in/out combo jack
• MicroSDXC UHS-I
• Dock connector (proprietary)
• Optional top expansion:
  • Additional USB 2.0 port
  • DB-9 serial port (true serial)
  • Barcode scanner (serial-based)
• Optional rear expansion:
  • Fingerprint reader
    • 200 x 400 pixels, ~508ppi
    • Supports Windows Hello
  • SmartCard reader (insertable)
  • SmartCard reader (contactless)

Wireless

• Wi-Fi
  • 802.11ac Wi-Fi wireless networking; Intel 8265 dual band
    • M.2 2230 E-key form factor, PCIe (not CNVio)
• Bluetooth
  • Bluetooth 4.1 + EDR (on Wi-Fi card)
• WWAN
  • Optional 4G LTE cellular data card: Sierra Wireless EM7305, EM7455, EM7511
    • M.2 3042 B-key form factor
    • M.2 slot is on a daughterboard with Nano-SIM breakout
• GPS/GNSS
  • Optional dedicated u-blox NEO-M8N receiver, housed on WWAN daughterboard in some configurations
  • Other configurations have a WWAN daughterboard without dedicated receiver, but can have GPS capability on WWAN card

Camera

• Front: 1080p webcam with on/off indicator and dual array mic
  • 1920 x 1080 photo
  • 1920 x 1080 @ 30 FPS video
  • Infrared with Windows Hello support
• Rear: 8 MP with autofocus and LED flash
  • 3264 x 2448 photo
  • 2048 x 1536 @ 15 FPS video

Power

• 15.6v DC input, 7.05A/110W
  • 5.5 mm x 2.5 mm barrel connector, center positive
• Two hot-swappable batteries
  • Standard: 11.1v 1990mAh each
  • Optional long-life: 10.8v 4120mAh each (requires extended back plate)

Premium Keyboard base

• 87-key keyboard, backlit (red) with four adjustable dimming levels + off
• Touchpad mouse
• Additional connectivity:
  • (2) USB 3.0 type-A
  • (1) USB 2.0
  • Ethernet 10/100/1000
  • DB-9 serial (USB-based)
  • HDMI
  • VGA
  • SDXC UHS-II
• IP65 rated
• Dock connector passthrough
• 15.6v DC in jack
• Carrying handle
• Tablet can dock forward (laptop mode) or reverse (tablet/convertible mode)

Lite Keyboard base

• 87-key keyboard, backlit (red) with four adjustable dimming levels + off
• Touchpad mouse
• No additional connectivity (USB type-B port is for keeping keyboard connected to a dock when tablet is removed)
• IP65 rated
• Dock connector passthrough
• Tablet only docks forward

Dimensions

• Tablet only:
  • Length: 12.1" / 308 mm
  • Width: 9.6" / 244 mm
  • Height:
    • 0.9" / 22 mm (with standard batteries)
    • 1.3" / 32 mm (with long-life batteries)
  • Weight:
    • 3.4 lb / 1.53 kg (with standard batteries)
    • 4.2 lb / 1.88 kg (with long-life batteries)
• With Premium Keyboard:
  • Length: 12.3" / 313 mm
  • Width: 11.4" / 288 mm
  • Height:
    • 1.8" / 46 mm (with standard batteries)
    • 2.2" / 57 mm (with long-life batteries)
  • Weight:
    • 6.1 lb / 2.76 kg (with standard batteries)
    • 6.9 lb / 3.12 kg (with long-life batteries)

• Panasonic: CF-33 Spec sheet (PDF)
• Panasonic: CF-33 Drivers and Support
• Panasonic: Reference Manual download (English, Windows 10)
• Panasonic: Reference Manual download (English, Windows 7)
• Panasonic Wiki: CF-33
• Rugged PC Review: Panasonic Toughbook 33
• Bob Johnson's Computer Stuff: Toughbook model/generation decoder