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SYSTEM 316, SYSTEM 320LX
DELL COMPUTER CORPORATION
SYSTEM 316, SYSTEM 320LX
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Processor
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80386SX
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Processor Speed
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16/20MHz
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Chip Set
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VLSI
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Max. Onboard DRAM
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8MB
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SRAM 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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355mm x 304mm
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I/O Options
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Diagnostic test port, floppy drive interface, IDE interface
parallel port, serial port (2)
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NPU Options
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80387SX
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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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External battery
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BATT
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Reset switch
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JRES
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Serial port 1
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COM1
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External keyboard
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KEYBD
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Serial port 2
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COM2
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Power LED & keylock
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KLOCK
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Floppy drive interface
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FDC
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Parallel port
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LPT1
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IDE interface
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HDC
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Speaker
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SPKR
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IDE interface LED
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HDLED
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Diagnostic test port
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TEST
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USER CONFIGURABLE SETTINGS
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Function
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Jumper
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Position
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IRQ14 select driven to bus
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JMPHD
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pins 1 & 2 closed
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IRQ14 select buffered
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JMPHD
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pins 2 & 3 closed
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IOCHRDY signal disabled
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JMPRDY
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open
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IOCHRDY signal from pin 21 enabled
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JMPRDY
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pins 1 & 2 closed
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IOCHRDY signal from pin 27 enabled
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JMPRDY
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pins 2 & 3 closed
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NPU mode select synchronous with CPU
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JMPNP
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open
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NPU mode select asynchronous with CPU
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JMPNP
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closed
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CMOS memory normal operation
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MAINT
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open
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CMOS memory clear
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MAINT
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closed
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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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(4) 256K x 9
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NONE
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2MB
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(4) 256K x 9
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(4) 256K x 9
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4MB
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(4) 1M x 9
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NONE
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5MB
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(4) 256K x 9
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(4) 1M x 9
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8MB
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(4) 1M x 9
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(4) 1M x 9
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