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Mini Tower Computer Specifications
Dell™ OptiPlex™ 320 User's Guide
Microprocessor
| Microprocessor type | Intel® Pentium® or Celeron® processor | 
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| internal cache | up to 2 MB  | 
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| Memory | 
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| Type | 533- or  | 
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| Memory connectors | two | 
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| Memory modules supported | |
| Minimum memory | 256 MB | 
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| Maximum memory | 2 GB | 
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| BIOS address | F0000h | 
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| Computer Information | 
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| Chipset | ATI Radeon Xpress 200 Professional | 
| Data bus width | 64 bits | 
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| Address bus width | 32 bits | 
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| DMA channels | eight | 
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| Interrupt levels | 24 | 
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| BIOS chip (NVRAM) | 4 Mb | 
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| NIC | integrated network interface capable of 10/100 | 
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 | communication: | 
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 | • Green — A good connection exists between a | 
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 | • Orange — A good connection exists between a | 
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 | • Off — The computer is not detecting a physical | 
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 | connection to the network. | 
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| Video | 
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| Type | integrated ATI Radeon Graphics | 
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| Audio | 
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| Type | ADI1983  | 
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| Controllers | 
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| Drives | up to two SATA hard drives and up to two SATA or | 
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 | IDE optical drives, one optional floppy drive | 
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| Expansion Bus | 
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| Bus type | PCI 2.3 | 
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 | PCI Express 1.0A | 
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 | SATA | 
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 | USB 2.0 | 
| Bus speed | PCI: 133 MB/s | 
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 | PCI Express x16: 8 GB/s bidirectional speed | 
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 | SATA: 3.0 Gbps | 
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 | USB: 480 Mbps | 
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