T/CIITA 102-2021 Active

Scope: This document establishes the overall structure and components of the terminal central processor and server central processor reference boards (hereinafter referred to as "reference boards"), and specifies the technical requirements for the hardware interface, reference board specifications, and compatible firmware and systems of terminal desktop computers and server central processor reference boards. This document applies to the design of desktop computers, laptops, servers, or other customized products based on PKS system central processors. Products not based on the PKS system can be used as a reference. Main technical content: This document replaces T/CIITA 102-2020. Compared with T/CIITA 102-2020, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a. The section "Table 1: Composition of the Reference Board" is changed to "Table 1: Essential Composition of the Central Processor Motherboard" (see Section 5); b. The content of "6.1 Overview" is deleted; c. The content of "6.2 Reference Board Logic Diagram" is changed; d. The structure of "6.3 and 6.4" is adjusted to "6.2 Terminal Central Processor Reference Board PCB Layout" and "6.3 Terminal Central Processor Reference Board PCB Layout"; e. Section 7.1 and 7.2 are deleted, and "7.1 Power Management Interface" is added (see 7.2); f. "7.4 Flash Chip Socket" is changed to "7.3 BIOS Interface" (see 7.3); g. "7.7 RTC Battery Socket" is changed to "7.6 RTC Module" (see 7.6); h. "7.8 RJ45 Interface" is changed to "7.7 Ethernet Interface" (see 7.8); i. The content of "7.8 Audio Interface" is added (see 7.8); j. The content of "7.9 SD Interface" is added (see 7.9); k. The content of "7.10 LPC Interface" is added (see 7.10); l. The content of "7.11 Clock Interface" is added (see 7.12); m. The content of "7.12 I2C Interface" is added (see 7.13); n. The reference board specifications are changed (see Chapter 9, Figures 14 and 15).