
7
2Technical Reference............................................................................................... 23
2.1 Addressable Memory..............................................................................................................................23
2.2 Connector....................................................................................................................................................23
2.2.1 Connector Interface Options ............................................................................................24
2.2.2 Power On Straps and Select Signals ............................................................................. 24
2.2.3 Muxing Options ...................................................................................................................... 25
2.2.4 Connector Pinout...................................................................................................................25
2.3 Power Considerations ............................................................................................................................27
2.4 Mechanical Considerations.................................................................................................................. 27
2.4.1 Form Factor.............................................................................................................................. 27
2.5 Thermal Considerations........................................................................................................................ 30
2.6 Reliability .....................................................................................................................................................30
2.7 Environmental ...........................................................................................................................................31
3Overview of BIOS Features................................................................................... 32
3.1 Introduction................................................................................................................................................ 32
3.2 BIOS Flash Memory Organization .....................................................................................................32
3.3 System Management BIOS (SMBIOS)..............................................................................................32
3.4 Legacy USB Support ...............................................................................................................................33
3.5 BIOS Updates.............................................................................................................................................33
3.5.1 Language Support.................................................................................................................33
3.6 BIOS Recovery ...........................................................................................................................................34
3.7 Boot Options..............................................................................................................................................34
3.7.1 Booting Without Attached Devices................................................................................34
3.7.2 BIOS POST Hotkeys..............................................................................................................35
3.7.3 Changing the Default Boot Device During POST......................................................35
3.7.4 Power Button Menu..............................................................................................................35
3.7.5 BIOS Error Messages............................................................................................................36
Figures
Figure 1. Top-Front View of Compute Card.................................................................................................... 11
Figure 2. Bottom-Back View of Compute Card.............................................................................................. 11
Figure 3. Block Diagram...........................................................................................................................................12
Figure 4. Compute Card Connector Pinout.....................................................................................................25
Figure 5. Compute Card Dimensions (Top and Left)...................................................................................27
Figure 6. Compute Card Dimensions (Bottom and Right).........................................................................28
Figure 7. Compute Card Dimensions (Front and Back) ..............................................................................29
Figure 8. Compute Card Dimensions (Connector)........................................................................................29
Tables
Table 1. Version Summary........................................................................................................................................9
Table 2. Feature Summary.....................................................................................................................................10