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HP VECTRA 486S/20
HEWLETT-PACKARD COMPANY
HP VECTRA 486S/20
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Processor
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80486SX/80487SX
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Processor Speed
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20MHz
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Chip Set
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HP
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Max. Onboard DRAM
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64MB
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Cache
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8KB
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BIOS
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Unidentified
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Dimensions
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330mm x 218mm
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I/O Options
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Mouse port, floppy drive interface, IDE interface, parallel port, serial ports (2)
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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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Mouse port
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CN1
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External battery
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J1
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Parallel port
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CN2
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IDE interface LED
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J2
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Serial port 1
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CN3
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Speaker
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J3
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Serial port 2
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CN4
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Control panel connector
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J4
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Floppy drive interface
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CN6
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USER CONFIGURABLE SETTINGS
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Function
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Switch
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Position
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BIOS write protect enabled
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SW1
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"Locked"
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BIOS write protect disabled
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SW1
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"Unlocked"
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»
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CMOS normal operation
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SW2/1
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Off
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CMOS memory clear
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SW2/1
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On
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»
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Do not erase power-on password in CMOS
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SW2/2
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Off
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Erase power-on password in CMOS
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SW2/2
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On
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»
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Lock EISA configuration settings
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SW2/3
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On
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Unlock EISA configuration settings
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SW2/3
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Off
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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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Bank 2
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Bank 3
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2MB
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(2) 256K x 36
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NONE
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NONE
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NONE
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4MB
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(2) 512KB x 36
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NONE
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NONE
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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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NONE
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NONE
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6MB
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(2) 256K x 36
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(2) 256K x 36
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(2) 256K x 36
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NONE
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8MB
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(2) 256K x 36
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(2) 256K x 36
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(2) 256K x 36
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(2) 256K x 36
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8MB
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(2) 512KB x 36
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(2) 512KB x 36
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NONE
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NONE
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8MB
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(2) 1M x 36
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NONE
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NONE
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NONE
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10MB
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(2) 1M x 36
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NONE
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(2) 256K x 36
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NONE
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12MB
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(2) 1M x 36
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NONE
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(2) 512KB x 36
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NONE
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16MB
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(2) 2M x 36
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NONE
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NONE
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NONE
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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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NONE
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NONE
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18MB
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(2) 1M x 36
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(2) 1M x 36
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(2) 256K x 36
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NONE
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18MB
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(2) 2M x 36
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NONE
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(2) 256K x 36
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NONE
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20MB
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(2) 2M x 36
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NONE
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(2) 512K x 36
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NONE
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20MB
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(2) 2M x 36
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NONE
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(2) 256K x 36
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(2) 256K x 36
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24MB
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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NONE
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24MB
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(2) 2M x 36
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(2) 512K x 36
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(2) 512K x 36
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NONE
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24MB
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(2) 2M x 36
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NONE
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(2) 1M x 36
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NONE
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32MB
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(2) 2M x 36
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(2) 2M x 36
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NONE
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NONE
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32MB
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(2) 2M x 36
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(2) 1M x 36
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(2) 1M x 36
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NONE
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32MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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NONE
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34MB
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(2) 2M x 36
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(2) 256K x 36
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NONE
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NONE
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36MB
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(2) 2M x 36
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(2) 512K x 36
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NONE
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NONE
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36MB
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(2) 2M x 36
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(2) 256K x 36
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(2) 256K x 36
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NONE
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40MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 512K x 36
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(2) 512K x 36
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DRAM CONFIGURATION (CONTINUED)
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Size
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Bank 0
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Bank 1
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Bank 2
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Bank 3
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40MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 1M x 36
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NONE
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48MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 1M x 36
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(2) 1M x 36
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48MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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NONE
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64MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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