This is a PCB drawing of a motherboard, which includes the pin definition, power supply description, jumper settings and other information.
The TM-845PEM(L)/GVM(L)2 motherboard from Topstar uses an Intel RG82845PE/GY + FW82801DB (ICH4) chipset, supports Intel mPGA478 Pentium 4 and Celeron CPUs, a 533 MHz front‑side bus, DDR400 memory, USB 2.0, an AC'97 audio codec, and an AGP slot (TM‑845PEM(L) version). It offers multiple PCI, IDE, SATA, USB, PS/2, and UART interfaces for a versatile PC/ATX platform.
This manual covers safety guidelines, a detailed parts list, step‑by‑step installation procedures, driver installation for chipset, VGA, LAN and audio, BIOS configuration and upgrade instructions, as well as troubleshooting and contact information for service centers. This manual is written in Chinese.
| Chipset | Intel RG82845PE/GY + FW82801DB (ICH4) |
|---|---|
| CPU Support | Intel mPGA478 Pentium 4 (Willamette/Northwood/Prescott) and Celeron |
| Front Side Bus | Up to 533 MHz |
| Maximum Memory Capacity | 2 GB |
| On‑board Audio | AC'97 codec |
| UART Port | 16650 compatible |
It supports Intel mPGA478 Pentium 4 processors (Willamette, Northwood, Prescott) and compatible Celeron CPUs.
Do not expose the product to moisture or strong mechanical shock, ensure the local power voltage is 220 V, use static protection before handling, and keep the product below 60 °C.