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3.5" Form Factor
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Pandora Enclosure

Rugged general-purpose enclosure for PC/104 Single Board Computers


Also available for Diamond Systems SBCs

Pandora Enclosure: Enclosures & Accessories, Enclosures for PC/104 and other small form factor SBCs featuring easy expandability and customizability, PC/104
Pandora Enclosure: Enclosures & Accessories, Enclosures for PC/104 and other small form factor SBCs featuring easy expandability and customizability, PC/104
Smooth exterior with multiple mounting options
Easy, rugged assembly
Cable-free configuration with Diamond single board computers
Available in lengths from 1.7” to 10”
Wall-mount panel available

Blank end cap
PBEC-00-K: Blank end cap

PC/104 top end cap
PBEC-01-K: End cap with PC/104 top/front mount holes

PC/104 bottom end cap
PBEC-02-K: End cap with PC/104 bottom/rear-mount holes

PC/104 wall mount bottom end cap
PBEC-03: Pandora End Cap, wall mounting version, with flanges and grommets

Athena II top end cap
PBEC-11: End cap for Athena II Panel I/O Board

Alternate end cap
PBEC-06: Alternate end cap

Internal mounting plate
PBMT-07: Internal mounting plate for 7" enclosure

Hard drive mounting
Interior view of Pandora case showing ACC-HDDMOUNT accessory board for mounting a notebook hard drive conveniently on the PC/104 stack


Pandora provides a fast, light, rugged, and flexible enclosure solution for PC/104 systems. In the Pandora concept, one end cap comprises a base plate on which you construct your PC/104 stack and attach cables. Once your board and cable assembly is complete, you simply insert the system into the enclosure body and bolt it in place. Then attach your cables to the second end cap and bolt it into place. Pandora also includes plenty of space all around your boards for cable runs. This results in a solid, reliable, easy-to-use enclosure system and also enables quick disassembly if needed.

Pandora’ design features smooth outer walls, inegrated pre-tapped mounting screw holes, counter-sunk panel mounting holes, and flush-mount hardware to provide a clean, finished unit with simplified assembly effort and maximum interior space.

Pandora is available in black finish. It comes in multiple sizes, from a slim 1.7” that houses one or two boards, up to a roomy 10” length that accommodates multiple boards plus a hard drive or other equipment.

Standard end caps are available, either blank or with pre-drilled PC/104 mounting holes and wall mount ears so you can mount the system to a wall or bulkhead. Custom end caps can be made as well by using Diamond's PBEC-00-K blank end cap and drilling or punching holes and cutouts to meet your own needs.

Each standard Pandora case comes with one blank end cap, one end cap with PC/104 mounting holes for bottom-up assembly (2 end caps total), and stainless steel mounting screws.

Pandora for Helios and Athena II SBCs

Pandora provides an especially rugged and convenient packaging solution for Diamond's Helios or Athena II SBCs. The SBC mounts directly to a panel I/O board that provides industry-standard connectors for all I/O features. This panel i/o board then mounts directly to a specially-designed front plate. The resulting assembly requires no cables and can fit in our smallest enclosure, measuring only 1.7” thick. A single panel i/o board and matching end cap is available to match any Helios or Athena II PC/104 SBC with and without the data acquisition circuit and connector.

Internal Mounting Plate

A 7" base plate (model number PBMT-07) is available for mounting boards vertically in the chassis instead of axially. The base plate allows for mounting of PC/104 boards in 3 different positions, as well as EPIC boards. The base plate slides into interior grooves in the enclosure body and bolts to the two end caps for rigidity. The PBMT-07 must be used with a 7" Pandora case, PB700-K, and two end caps model number PBEC-06-K. This is available as a complete 7" enclosure kit, model number PB7-INT-01-K.

Athena SBC mounted vertically

Hard Drive Mounting Board

Install a notebook hard driv inside the Pandora easily with our ACC-HDDMOUNT accessory board. This board mounts a 2.5 notebook hard drive right on the bottom of the PC/104 stack in the air gap created by the PC/104 bus connector pins, without requiring any additional case length.

Hard drive mounted in Pandora enclosure

The PC/104 System with UPS

This PC/104 system with UPS

  • PR-Z32-EA-ST Prometheus CPU with data acquisition
  • HESC-104 power supply with battery charger
  • BAT104-NiMh backup battery

PC/104 3 board stack

...fits into this compact Pandora enclosure!

  • Dimensions 5.5" x 5.75" x 3.0"
  • Quick, rugged assembly
  • Only 1 small cables required!
    (power input to HESC-104, battery to HESC-104)
  • -40ºC to +85ºC operation

Compact Pandora solution

PC/104 Stack Height (inches/mm)

# Boards 1st Board / Non-Stackthrough(inches/mms) 1st Board / Stackthrough (inches/mms)
1 0.60/ 15.2 0.92/ 23.4
2 1.26/ 32.1 1.58/ 40.2
3 1.92/ 48.9 2.24/ 57.0
4 2.59/ 65.7 2.91/ 73.8
5 3.25/ 82.5 3.57/ 90.6
6 3.91/ 99.3 4.23/ 107.4
7 4.57/ 116.1 4.89/ 124.3
8 5.23/ 132.9 5.55/ 141.1

Ordering Guide

Select length < L > in part numbers below:
< L >: 170 1.7" / 43mm
300 3.0" / 76mm
500 50" / 127mm
700 7.0" / 178mm
1000 10.0" / 254mm
PB-< L >-K Pandora enclosure, black; specify length
PB-EAP-< L >-K Pandora enclosure for Athena II or Athena SBCs
PNL-EAP-01 Panel I/O board for Athena II or Athena SBCs
PB-HLV-< L >-K Pandora enclosure for Helios SBCs
PNL-HLV-01 Panel I/O board for Helios SBCs
PB-AUR-170-K Pandora 1.7" enclosure for Aurora SBCs
PNL-AUR-01 Panel I/O board for Aurora SBCs
PBEC-00-K Blank end cap

Models and Accessories

Pandora Enclosure
available models:
Pandora Enclosure, Generic 1.7", black
Long Leadtime
Pandora Enclosure, Generic 3", black
Long Leadtime
Pandora Enclosure, Generic 5", black
Pandora Enclosure, Generic 7.0", black
Pandora blank end cap, black
Pandora blank front end cap with PC/104 mounting holes, black
Pandora blank rear end cap with PC/104 mounting holes, black
Wall mount end cap with flanges and grommets
Alternate blank end cap for use with PBMT-07
Pandora EAP R Pnl Wall Mt Blk
Internal mounting plate for 7" enclosure
Pandora 7" enclosure with PBMT-07 internal mounting plate and PBEC-06-K end caps
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