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AC41644/41647 MODELS E450/X450
ICL
AC41644/41647 MODELS E450/X450
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Processor
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Pentium
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Processor Speed
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75/90/100MHz
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Chip Set
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OPTI
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Max. Onboard DRAM
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128MB
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Cache
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256KB (on daughterboard)
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BIOS
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ICL
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Dimensions
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330mm x 200mm
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I/O Options
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PS/2 mouse port, parallel port, serial ports (2), network adapter, floppy drive interface, IDE interfaces (2), proprietary riser card slot, sound in, sound out
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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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3.3V power connector
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E#
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IDE interface (primary)
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J11
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Keyboard and mouse PTC
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J0
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IDE interface (primary)
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J12
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Parallel port
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J2
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Network adapter
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J13
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Serial port 1
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J3
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CPU fan
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J15
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Serial port 2
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J4
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Microphone in
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J16
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PS/2 mouse port
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J5
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Speaker out
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J17
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Hard drive LED
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J6
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Unidentified
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J18
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Front panel LEDs
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J7
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Reset switch
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JP1 pins 1 & 2
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Chassis fan power
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J8
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Proprietary riser card slot
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SL1
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Power switch
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J9
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Cache expansion slot
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SL2
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Floppy drive interface
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J10
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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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»
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Factory configured - do not alter
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JP1 pins 9 & 10
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Closed
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»
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Password disabled
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JP1 pins 15 & 16
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Open
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Password enabled
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JP1 pins 15 & 16
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Closed
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»
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Factory configured - do not alter
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JP1 pins 17 & 18
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Closed
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»
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BIOS write protect enabled
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JP1 pins 19 & 20
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Open
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BIOS write protect disabled
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JP1 pins 19 & 20
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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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8MB
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(2) 1M x 36
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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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16MB
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(2) 2M x 36
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NONE
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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) 2M 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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40MB
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(2) 1M x 36
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(2) 4M x 36
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48MB
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(2) 2M 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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72MB
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(2) 1M x 36
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(2) 8M x 36
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80MB
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(2) 2M 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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CMOS MODE CONFIGURATION
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Mode
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JP1
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Normal
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pins 11 & 12 closed
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Clear
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pins 13 & 14 closed
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CPU SPEED CONFIGURATION
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Speed
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JP1 pins 3 & 4
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JP1 pins 5 & 6
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JP1 pins 7 & 8
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75MHz
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Closed
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Closed
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Open
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90MHz
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Closed
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Open
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Closed
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100MHz
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Open
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Closed
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Open
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