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2500 RSX (2500-1620/1621)
TANDY/RADIO SHACK
2500 RSX (2500-1620/1621)
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Processor
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80386SX
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Processor Speed
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25MHz
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Chip Set
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Unidentified
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Video Chip Set
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Accumos
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Maximum Onboard Memory
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9MB
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Maximum Video Memory
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512KB
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Cache
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None
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BIOS
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Unidentified
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Dimensions
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220mm x 220mm
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I/O Options
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Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, VGA port, riser slot
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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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VGA port
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CN1
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Volume control
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CN5
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PS/2 mouse port
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CN2
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IDE interface
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CN6
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Parallel port
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CN3
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Floppy drive interface
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CN7
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Serial port
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CN4
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Riser slot
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SL1
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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»
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Factory configured - do not alter
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E1
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Open
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»
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On board video enabled
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J1
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Pins 1 & 2 closed
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On board video disabled
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J1
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Pins 2 & 3 closed
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DRAM CONFIGURATION
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Size
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Bank 0/1
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Bank 2
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1MB
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1MB
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None
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3MB
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1MB
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(2) 1M x 9
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9MB
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1MB
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(2) 4M x 9
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Note: Bank 0/1 is factory installed and is not configurable. The location is unidentified.
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VIDEO MEMORY CONFIGURATION
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Size
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Bank 0
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Bank 1
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256KB
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256KB
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None
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512KB
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256KB
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256KB
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Note: The location of banks 0 & 1 are unidentified. The size of the video memory chips are unidentified.
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HARD DRIVE SELECTION
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Setting
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C/D
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C/D+DSP
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1 drive installed
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Closed
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N/A
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2 drives installed (primary)
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N/A
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Closed
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2 drives installed (secondary)
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N/A
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Open
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