ASUS CUSL-LE PGA370 Motherboard Intel 815E Sony Vaio PCV-R556DS MicroATX

ASUS CUSL-LE PGA370 Motherboard Intel 815E Sony Vaio PCV-R556DS MicroATX

The ASUS CUSL-LE is a MicroATX form factor motherboard built around the Intel 815E chipset and designed for Socket 370 (PGA370) processors, including Intel Pentium III and Celeron CPUs based on the Coppermine core. This example was pulled from a Sony Vaio PCV-R556DS desktop system. The board carries revision 1.03 as marked on the PCB silkscreen.

Specifications & What's Included

• Model: ASUS CUSL-LE
• Hardware Revision: Rev 1.03
• Form Factor: MicroATX
• CPU Socket: PGA370 (Socket 370)
• Chipset: Intel 815E
• Memory: SDRAM slots (DIMM)
• Expansion Slots: 1x AGP, 3x PCI
• Storage Connectors: IDE (40-pin ribbon) headers visible on board
• Power Connector: ATX 20-pin
• Rear I/O: PS/2 keyboard and mouse ports, 2x USB, DB-9 serial, DB-25 parallel, RJ-45 LAN, audio jacks (line-in, line-out, mic)
• Pulled from: Sony Vaio PCV-R556DS
• Motherboard only — no CPU, RAM, or cables included

Applications

The ASUS CUSL-LE belongs to the late-1990s to early-2000s generation of Intel Socket 370 boards, a platform that supported Intel's Pentium III and Celeron processors at speeds from roughly 500 MHz through 1.2 GHz. The Intel 815E chipset integrated graphics support alongside a capable memory and I/O subsystem, making it a common choice for OEM compact desktop builds of that era — including Sony's consumer Vaio PCV-R series line. Today these boards are sought by hobbyists maintaining or restoring period-correct systems, by collectors of late-1990s PC hardware, and by anyone needing a direct replacement board for a Vaio PCV-R556DS or a compatible Socket 370 MicroATX chassis. The integrated LAN and onboard audio make the CUSL-LE a self-contained platform that required minimal add-in cards for a fully functional desktop build.