The 1 3D250 motherboard is a TX PRO-Ⅱ chipset motherboard that supports the Socket-7 architecture. It has an external frequency of 60/66/75/83MHz and supports all Socket-7 processors. It also integrates a high-performance PCI 3D sound system and an integrated graphics adapter, supporting 56K V.90 Fax/Modem DAA components and 10BaseT/100Base TX network adapters.
This manual describes the 3D250 motherboard, which uses a TX PRO‑II chipset and supports Socket‑7 processors with bus frequencies of 60/66/75/83 MHz. It details the integrated PCI 3D sound system, built‑in 64‑bit graphics accelerator (shareable up to 4 MB of system memory) and networking features such as a 56K V.90 Fax/Modem DAA and 10BaseT/100Base‑TX Ethernet.
Installation instructions cover CPU insertion, memory module placement, jumper settings, expansion card installation, and static‑protection measures. The BIOS setup chapter explains how to configure CPU speed, memory voltage, and other system parameters, while the software section lists drivers and utilities supplied on the accompanying CD. This manual is written in Chinese.
| CPU socket | Socket‑7 |
|---|---|
| Maximum memory | 512 MB |
| Graphics accelerator | 64‑bit, shareable 4 MB, max resolution 1024×768 |
| Resolution support | 1024×768 |
| Expansion slots | 3 × 32‑bit PCI, 2 × 8/16‑bit ISA |
| Network interfaces | 56K V.90 Fax/Modem DAA, 10BaseT/100Base‑TX Ethernet |
| Power supply support | AT and ATX |
| USB ports | 2 (optional) |
It uses a Socket‑7 slot that accepts any Socket‑7 processor.
The board has two DIMM slots and can support up to 512 MB of RAM.
The built‑in graphics can display up to 1024 × 768 pixels.