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DESKPRO 386 (TYPE 'A')
COMPAQ COMPUTER CORPORATION
DESKPRO 386 (TYPE 'A')
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Processor
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80386DX
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Processor Speed
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16MHz
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Chip Set
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ETEQ
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Max. Onboard DRAM
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2MB (on system memory card)
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Cache
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None
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BIOS
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Compaq
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Dimensions
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330mm x 218mm
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I/O Options
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Proprietary system memory card slot, proprietary external memory card slot (on system memory card)
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NPU Options
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80287
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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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Fixed drive power
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J109
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Proprietary keyboard plug
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J116
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Tape backup power
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J110
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Main power
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J117
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Floppy drive power
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J111
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External battery
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J118
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Floppy drive power
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J112
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Keylock
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J119
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Monitor power
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J113
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Proprietary system memory card
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S1
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Speaker
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J115
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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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Fail-safe timer enabled
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SW1/1
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On
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Fail-safe timer disabled
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SW1/1
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Off
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NPU enabled
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SW1/2
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On
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NPU disabled
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SW1/2
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Off
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NPU type select 4MHz
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SW1/3
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On
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NPU type select 8MHz
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SW1/3
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Off
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CPU speed at boot automatic
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SW1/4
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On
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CPU speed at boot high
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SW1/4
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Off
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Factory configured - do not alter
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SW1/5
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Off
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Monitor type select dual-mode/color
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SW1/6
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On
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Monitor type select monochrome other than Compaq
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SW1/6
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Off
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Factory configured - do not alter
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SW1/7
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On
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Factory configured - do not alter
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SW1/8
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On
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CONNECTIONS
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Purpose
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Location
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Proprietary external memory card
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S1 & S2
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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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1MB
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(36) 41256
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NONE
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2MB
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(36) 41256
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(36) 41256
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DRAM CONFIGURATION
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Size
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Base Memory
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Ext. Memory
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1MBExp. Memory
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J1
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1MB
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256KB
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768KB
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disabled
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pins 1 & 2, 4 & 5, 7 & 8 closed
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1MB
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512KB
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512KB
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disabled
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pins 2 & 3, 4 & 5, 7 & 8 closed
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1MB
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640KB
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384KB
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disabled
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pins 2 & 3, 5 & 6, 7 & 8 closed
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2MB
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256KB
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768KB
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enabled
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pins 1 & 2, 4 & 5, 8 & 9 closed
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2MB
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512KB
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512KB
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enabled
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pins 2 & 3, 4 & 5, 8 & 9 closed
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2MB
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640KB
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384KB
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enabled
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pins 2 & 3, 5 & 6, 8 & 9 closed
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Note:Jumpers 3 & 4 and 6 & 7 should never be closed as serious damage to the system may result.
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