661FX-M Deluxe - Motherboard ECS - Free user manual and instructions
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| Product Type | Motherboard |
| Brand | ECS (Elitegroup Computer Systems) |
| Model | 661FX-M Deluxe |
| Form Factor | ATX |
| Chipset | SiS 661FX |
| CPU Socket | Socket 478 |
| Supported CPUs | Intel Pentium 4 / Celeron (FSB 800/533/400 MHz) |
| Memory Support | 2 x DDR DIMM slots, up to 2 GB, DDR400/333/266 |
| Expansion Slots | 1 x AGP 8x, 5 x PCI |
| Storage Interfaces | 2 x Ultra DMA 133/100/66, 2 x SATA 150 (SiS 964) |
| Audio | Realtek ALC655 6-channel audio |
| LAN | Realtek RTL8100B 10/100 Mbps Ethernet |
| Rear I/O Ports | 1 x PS/2 keyboard, 1 x PS/2 mouse, 1 x COM, 1 x LPT, 1 x VGA, 4 x USB 2.0, 3 x audio jacks |
| Internal Connectors | 1 x FDD, 2 x IDE, 2 x SATA, 2 x USB 2.0 headers, 1 x CD-IN, 1 x Front audio |
| BIOS | AMI BIOS with PnP, ACPI, SMBIOS 2.3 |
| Dimensions (W x D) | 12.0 x 8.5 inches (305 x 216 mm) |
| Weight | Approx. 0.8 kg (1.8 lbs) |
| Power Requirement | ATX 12V, 20-pin main power connector |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Regulatory Approvals | FCC, CE |
Frequently Asked Questions - 661FX-M Deluxe ECS
What type of CPU does the ECS 661FX-M Deluxe support?
The motherboard supports Intel Pentium 4 and Celeron processors with Socket 478, with Front Side Bus speeds up to 800 MHz.
What is the maximum amount of RAM supported?
It supports up to 2 GB of DDR memory (DDR400/333/266) across two DIMM slots.
Does the 661FX-M Deluxe have integrated graphics?
Yes, it features integrated SiS Real256E graphics, but it also has an AGP 8x slot for a dedicated graphics card.
What type of expansion slots are available?
It has 1 AGP 8x slot and 5 PCI slots for additional components.
How many SATA ports does it have?
It provides 2 SATA 150 ports via the SiS 964 southbridge.
What audio chipset is used?
The onboard audio is handled by the Realtek ALC655 codec, supporting 6-channel output.
Does the motherboard have built-in Ethernet?
Yes, it includes a Realtek RTL8100B 10/100 Mbps Ethernet controller.
What operating systems are compatible?
It is compatible with Windows 98/ME/2000/XP and various Linux distributions.
How do I update the BIOS?
You can update the BIOS using the AMI Flash Utility from a bootable DOS floppy or USB drive. Download the latest BIOS from ECS website.
Is the ECS 661FX-M Deluxe compatible with modern graphics cards?
It uses an AGP 8x slot, so only AGP graphics cards are compatible. Modern PCIe cards cannot be used without modification.
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USER MANUAL 661FX-M Deluxe ECS
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Product information
Brand : ECS
Model : 661FX-M Deluxe
Category : Motherboard