Dell OptiPlex 7020 Small Form Factor Owners Manual - Page 53
Intel I217LM Ethernet capable of 10/100/1000 Mb/s, Integrated I/O APIC capability with 24 interrupts
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Table 19. Network Feature Integrated Specification Intel I217LM Ethernet capable of 10/100/1000 Mb/s communication Table 20. System Information Feature System chipset DMA Channels Interrupt Levels BIOS Chip (NVRAM) Specification Intel 8 series Express chipset two 8237 DMA controllers with seven independently programmable channels Integrated I/O APIC capability with 24 interrupts 12 MB Table 21. Expansion Bus Feature Bus Type Bus Speed Specification PCIe gen2, gen3 (x16), USB 2.0, and USB 3.0 PCI Express: • x1-slot each direction speed -500 MB/s • x16-slot each direction speed-16 GB/s SATA: 1.5 Gbps, 3.0 Gbps, and 6 Gbps Table 22. Cards Feature PCI: Mini-Tower Small Form Factor PCI Express x1: Mini-Tower Small Form Factor PCI-Express x16: Mini-Tower Small Form Factor Specification up to one full-height card none up to three full-height cards up to two low-profile cards up to two full-height cards up to two low-profile cards Table 23. Drives Feature Externally Accessible (5.25-inch drive bays): Mini-Tower Specification two 53