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DESKPRO XL 450/466/560/566/590
COMPAQ COMPUTER CORPORATION
DESKPRO XL 450/466/560/566/590
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Processor
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80486DX2/Pentium (depends on CPU card installed)
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Processor Speed
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50(internal)/60/66(internal)/66MHz
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Chip Set
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Compaq
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Max. Onboard DRAM
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128MB
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Cache
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None
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BIOS
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AMI
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Dimensions
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330mm x 218mm
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I/O Options
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External CPU card, 32-bit PCI bus slots (2), floppy drive interface, game port, IDE interface, parallel port, SCSI port, audio signal interface, PS/2 mouse port, serial ports (2), CD-ROM interface, audio ports (2), speaker/microphone port
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NPU Options
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None
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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Audio port 1
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AD1
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Game port
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CN8
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Audio port 2
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AD2
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Chassis fan power
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E1
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Speaker/microphone connector
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CN1
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External battery
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E3
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PS/2 mouse port
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CN2
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Audio signal interface
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E4
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Keyboard connector
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CN3
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IDE interface
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E5
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Serial port 1
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CN4
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Floppy drive interface
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E6
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Serial port 2
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CN5
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Audio interface
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E7
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Parallel port
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CN6
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32-bit PCI bus slots
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PC1 & PC2
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SCSI port
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CN7
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External CPU slot
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SL1
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USER CONFIGURABLE SETTINGS
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Function
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Jumper/Switch
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Position
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»
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Battery type select internal
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E2
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pins 2 & 3 closed
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Battery type select external
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E2
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pins 1 & 2 closed
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»
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Flash BIOS write protect enabled
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SW1/1
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Off
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Flash BIOS write protect disabled
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SW1/1
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On
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»
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EISA configuration changes enabled
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SW1/2
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Off
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EISA configuration changes disabled
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SW1/2
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On
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»
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Floppy drive read/write enabled
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SW1/3
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Off
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Floppy drive read/write disabled
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SW1/3
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On
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»
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EISA configuration diskette boot enabled
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SW1/4
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Off
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EISA configuration diskette boot disabled
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SW1/4
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On
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»
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Password enabled
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SW1/5
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Off
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Password enabled
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SW1/5
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On
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»
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EISA configuration normal
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SW1/6
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Off
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EISA configuration erasable
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SW1/6
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On
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DRAM CONFIGURATION
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Size
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Bank 0
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Bank 1
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2MB
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(2) 256K x 36
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NONE
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4MB
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(2) 256K x 36
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(2) 256K x 36
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4MB
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(2) 512K x 36
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NONE
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6MB
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(2) 256K x 36
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(2) 512K x 36
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8MB
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(2) 512K x 36
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(2) 512K x 36
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8MB
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(2) 1M x 36
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NONE
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10MB
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(2) 256K x 36
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(2) 1M x 36
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12MB
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(2) 512K x 36
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(2) 1M x 36
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16MB
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(2) 1M x 36
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(2) 1M x 36
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18MB
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(2) 256K x 36
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(2) 2M x 36
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20MB
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(2) 512K x 36
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(2) 2M x 36
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24MB
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(2) 1M x 36
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(2) 2M x 36
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32MB
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(2) 4M x 36
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NONE
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34MB
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(2) 256K x 36
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(2) 4M x 36
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36MB
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(2) 512K x 36
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(2) 4M x 36
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40MB
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(2) 1M x 36
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(2) 4M x 36
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64MB
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(2) 4M x 36
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(2) 4M x 36
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64MB
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(2) 8M x 36
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NONE
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66MB
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(2) 256K x 36
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(2) 8M x 36
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68MB
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(2) 512K x 36
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(2) 8M x 36
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72MB
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(2) 1M x 36
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(2) 8M x 36
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96MB
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(2) 4M x 36
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(2) 8M x 36
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128MB
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(2) 8M x 36
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(2) 8M x 36
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Note: If 80486 board is installed, Bank 0 consists of J1 & J2 and Bank 1 consists of J3 & J4. If Pentium board is installed, Bank 0 consists of J1 & J3 and Bank 1 consists of J2 & J4.
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