CompaqPortableIIIexpansionbackplane
About the CompaqPortableIIIexpansionbackplane PCB
CompaqPortableIIIexpansionbackplane is an open source PCB design by raymondh2, published on GitHub. It is a 4-layer board measuring 127 × 53.3 mm, with 8 components from 5 distinct parts.
Other key parts include the 74LS245N. By type, the board carries 4 resistors, 3 connectors and 1 IC.
From the project
Current PCB Memory Expansion board layout is untested. The backplane for the expansion cards is tested and working.
Current PCB Memory Expansion board layout is untested. The backplane for the expansion cards is tested and working.
Recreation of U10 Part Number 107393-001 working as expected so far. Recreation of U20 Part Number 107392-001 is untested.
The mainboard schematics are not verfied or complete.
Main components on the CompaqPortableIIIexpansionbackplane
CompaqPortableIIIexpansionbackplane bill of materials (BOM)
8 components, 5 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS245N 74LS245 | DIP-20_W7.62mm | U1 |
| 1 | 5530843-1 Conn_02x12_Top_Bottom | 5530843-1_oddeven | J110 |
| 1 | 6-104068-7 Conn_02x42_Odd_Even | PinSocket_2x42_P1.27mm_Vertical_2.54row | J113 |
| 1 | 2-5530843-0 Conn_02x40_Counter_Clockwise | 2-5530843-0_mirror | J114 |
| 4 | 4610X-101-822LF 8.2k | R_Array_SIP10 | RN1, RN2, RN3, RN4 |
CompaqPortableIIIexpansionbackplane design files
The KiCad project lives in the raymondh2/CompaqPortableIII repository on GitHub; these links point at the commit this page was built from.
CompaqPortableIIIexpansionbackplane: common questions
How big is the CompaqPortableIIIexpansionbackplane PCB?
The CompaqPortableIIIexpansionbackplane measures 127 × 53.3 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the CompaqPortableIIIexpansionbackplane?
8 components, from 5 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the CompaqPortableIIIexpansionbackplane design files?
From the raymondh2/CompaqPortableIII repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the CompaqPortableIIIexpansionbackplane design in my own project?
The repository has no license, so all rights stay with raymondh2. Use it as a reference, and ask the author before reusing the design.
