Compal schematic for an IO daughterboard, board LS-E542P, project CIUSA, labelled SB_SD and Cruze IO Board, in a 434 KB PDF.

Schematic for Wistron IO board 18B25, revision A00, a daughterboard that normally carries ports and connectors linked to the motherboard.

Schematic PDF named only IO, 397 KB, with no brand, model or board number in the name. The title suggests an IO daughterboard, such as a USB, audio or card-reader board…

Gerber-based PDF for the IO board LS-B471P, revision 1.0, from the Z5W1M project, dated 2014-03-13, packed as a 119 KB RAR.

Revision 2A schematic of the Quanta UM2 IO board, stored as a 158 KB PDF. The drawing deals with the auxiliary IO daughterboard rather than the main logic board…

PDF schematic of about 157 KB labelled 2G-IOT, revision 1.4, which matches the naming of the Orange Pi 2G-IoT board, though the file name itself states only the 2G-IOT…

Schematic of an IO daughterboard labelled GE420, provided as a 459 KB PDF. No brand or board number appears in the name, so identify the host system from the main board…

Quanta UM1 IO board schematic at revision 2A, a compact 157 KB PDF. This daughterboard drawing shows the circuitry on the secondary board and the connector that carries…

Acer schematic for the IO daughterboard of the Dragonite KL D7W01 project, board LS-E893P at revision 1A, dated 170601.

Schematic of the IO daughterboard for Quanta UM1, revision 2A, a 157 KB PDF that appears to be a duplicate copy of the same document.

PDF schematic of the K42JR IO board, packed in a 181 KB rar, with the name carrying revision 2.0 and a date from November 2008.

Small schematic, about 31 KB, for an IO board named Michigan, revision A02, with a 0426 date code.

Small 31 KB PDF schematic of an IO board for a project code-named Michigan, version A01 with a 0312 tag, probably a date.

Schematic for the LS-9313P IO board, a small 137 KB PDF. The LS- prefix is Compal's numbering for laptop daughterboards, such as USB, audio or power button boards, which…

Schematic PDF with an uninformative name, IO, which suggests an input/output or daughter board but states no device, brand or board number.

PDF schematic for the LCFC NS-C821 IO daughterboard at revision 1.0, a small Lenovo sub-board that pairs with the NM-C821 main board family.

Schematic of the IO daughterboard for Quanta project V02A, revision R01A, a 226 KB PDF.

PDF schematic of the Compal LS-E542P IO daughterboard, revision 1.0, associated with project codes CIUSA_SB_SD and the Cruze code name, supplied in a 186 KB RAR archive.

Compal-style daughter board schematic for the Alpine IO board, number LS-E541P, project code CIUYA_YB, delivered as a 462 KB PDF.

Quanta R08 IO-board schematic, the small BTB daughterboard, dated 2012-02-13 and labelled for the Dell Vostro 3460 and Inspiron N5420.

Compal LS-E541P IO board schematic, revision 1.0, for the CIUYA_YB project code named Alpine, stored as a PDF inside a 214 KB RAR.

Reference PDF on EC, IO and KBC chips, covering which embedded controller, super I/O and keyboard controller parts need programming with firmware and which work without…

Schematic in PDF format, 1.63 MB, for ROCKY-4050, with name tokens indicating DDR2 memory and a VGA and I/O section, plus a 1220 code that may be a date or revision.

Schematic of the Raspberry Pi Compute Module IO board, revision 3.0, in PDF format at about 311 KB.

Schematic in PDF for the Gigabyte Z390 Gaming SLI motherboard, revision 1.0, packed as RAR.

Schematic PDF for MSI board MS-7592 in its G41TM-P33 version, marked V10, compressed into a 1.08 MB RAR.

Quanta V02A schematic, revision R01A or 1A, for the discrete graphics build with DDR3 memory, in a 1.29 MB PDF.

Schematic set for Compal boards LS-8863P and LA-8864P, in a 2.67 MB RAR. In Compal numbering, LS usually marks a small sub-board such as an IO or power-button board…