Compaq dc7100 HP Compaq dc71xx and dx61xx Series Business Desktop Computers Te - Page 19

System Overview Table 2-1 shows the differences in features between the different PC series based on form factor: Table 2-1 Difference Matrix by Form Factor USDT SFF ST MT CMT Series dc7100 dc7100 dx6100 / dx6120 dx6100 / dx6120 dc7100 System Board Type custom custom custom µATX µATX Serial and parallel ports Optional [1] Standard Standard Standard Standard Memory: # of sockets Maximum memory Memory type 3 3 GB DDR 4 4 GB DDR 4 4 GB DDR / DDR2 4 4 GB DDR / DDR2 4 4 GB DDR Drive bays: Externally accessible 1 2 Internal 1 1 2 3 4 1 2 2 PCI Express slots: x16 graphics x1 0 1 [2] [3] 1 [2] [3] 1 [4] 0 1 [3] 1 [3] 1 1 [4] 1 PCI 2.3 slots 1full-height 2 half-height or 2 full-height [5] 2 half-height or 2 full-height [5] 2 full-height 2 full-height or 4 full-height [6] MultiBay Standard Optional [7] Optional [7] not supported Optional [7] Smart Cover Sensor / Lock Sensor only Both No No Both Power Supply: Power rating PFC Auto-ranging 200-watt Active PFC Yes 240-watt Active PFC Yes 240-watt Active PFC Yes 300-watt [8] Passive PFC No 340-watt Active PFC Yes NOTE: [1] Supported on system board. Requires optional cable/bracket assembly. [2] Accepts low-profile, reversed-layout ADD2/SDVO card: height = 2.5 in., length = 6.6 in. [3] Slot not accessible in configuration using PCI riser card. [4] Accepts standard height, normal (non-reversed) layout ADD2/SDVO card: height = 4.2 in., length = 10.5 in. [5] Riser card configuration is a field option. Full-height PCI slots provided with configuration using PCI riser card. Half-height dimensions: height = 2.5 in., length = 6.6 in. Full-hieght dimensions: height = 4.2 in., length = 6.875 in [6] PCI expansion board required for 4-slot support. Full-height dimensions: [7] Requires adapter. [8] Some MT SKUs shipped with 340-watt power supplies. Technical Reference Guide 361834-002 2-3