APRICOT COMPUTERS LIMITED
LS PRO (REV C) MOTHERBOARD
|
Processor |
80486SX/80486DX2/80486DX4 |
|
Processor Speed |
33/66(internal)/100(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 200mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, VGA port, Ethernet connectors (3) |
|
NPU Options |
80487SX |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
CN1 |
Parallel port |
CN9 |
|
Floppy drive interface |
CN2 |
Headphone port |
CN10 |
|
IDE interface |
CN3 |
Microphone port |
CN11 |
|
Ethernet UTP port |
CN4 |
Video memory upgrade connector |
CN12 |
|
Ethernet thin port |
CN5 |
Ethernet thick port |
CN13 |
|
VGA port |
CN6 |
Chassis fan power |
PL7 |
|
Serial port |
CN7 |
IDE power |
PL12 |
|
PS/2 mouse port |
CN8 |
|
|
|
USER CONFIGURABLE SETTINGS |
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|
Function |
Jumper |
Position |
|
|
CMOS memory normal operation |
JP2 |
pins 2 & 3 closed |
|
|
|
CMOS memory clear |
JP2 |
pins 1 & 2 closed |
|
Ethernet cable type select thick |
SW1 |
Open |
|
|
|
Ethernet cable type select thin |
SW1 |
Closed |
|
DRAM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
4MB |
(8) 411000 |
NONE |
NONE |
|
6MB |
(8) 411000 |
(2) 1M x 9 |
NONE |
|
8MB |
(8) 411000 |
(2) 1M x 9 |
(2) 1M x 9 |
|
12MB |
(8) 411000 |
(2) 4M x 9 |
NONE |
|
16MB |
(8) 411000 |
(2) 4M x 9 |
(2) 4M x 9 |
|
Note: Bank 0 is factory installed and is not configurable. When 16MB is installed, Bank 0 is automatically disabled. |
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