Specifications
| ECS PF5 Extreme | |
| CPU Support | All LGA775 processors (including dual-core models) |
| Northbridge | Intel i945P |
| Memory Support | 4 slots, DDR-II only. Supports DDR2-400MHz, 533MHz, and 667MHz at 200MHz FSB. 4GB max, dual-channel |
| AGP | None |
| PEG | 2x x16 (second slot runs at x4 when used concurrently) NOT SLI |
| Southbridge | Intel ICH7R |
| Audio | 8-channel high-definition feed from ICH7R to Realtek ALC880 CODEC |
| Audio Connectivity | I/O 6-port speaker. S/PDIF optical input/output |
| PCI | 3x 32-bit 33MHz PCI 2.1 slots |
| PCI Express | 1 x1 slots (disabled if using both x16 slots) |
| IDE | 1 ATA100 compliant port from ICH7R |
| IDE RAID | None |
| SATA | 4 ports from ICH7R. Supports SATA2 |
| SATA RAID | RAID0, 1 and 0+1 from ICH7R (Intel Matrix Storage Technology) |
| Additional SATA RAID | Silicon Image Sil3132 PCIe. Supports 2 ports, SATA 2 compliant, RAID0 and RAID1 |
| Networking | Dual LAN Ethernet Controllers. Marvell Yukon 88E8053 PCIe Gigabit and Realtek RTL8100C 10/100 |
| USB | 8 USB 2.0 ports from ICH7R. 4x I/O USB 2.0 and 4x onboard |
| FireWire | 2 ports from VIA VT6307 1394a controller, 1 on I/O (4-pin), one via supplied bracket |
| Other I/O | PS/2, Serial |
| Form Factor | 305mm x 245mm, ATX |
| Expected price | £90 |
| Notable features | Possible 4-display setup. Dual-core CPU support |
ECS goes to lengths to promote the fact that the PF5 Extreme supports Intel's new dual-core CPUs. The classic combination for this board would have to be the £170 Pentium D820, offering dual-core goodness at a modest 2.8GHz clock speed.