ICL
AC41644/41647 MODELS E450/X450
|
Processor |
Pentium |
|
Processor Speed |
75/90/100MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
128MB |
|
Cache |
256KB (on daughterboard) |
|
BIOS |
ICL |
|
Dimensions |
330mm x 200mm |
|
I/O Options |
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 |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
3.3V power connector |
E# |
IDE interface (primary) |
J11 |
|
Keyboard and mouse PTC |
J0 |
IDE interface (primary) |
J12 |
|
Parallel port |
J2 |
Network adapter |
J13 |
|
Serial port 1 |
J3 |
CPU fan |
J15 |
|
Serial port 2 |
J4 |
Microphone in |
J16 |
|
PS/2 mouse port |
J5 |
Speaker out |
J17 |
|
Hard drive LED |
J6 |
Unidentified |
J18 |
|
Front panel LEDs |
J7 |
Reset switch |
JP1 pins 1 & 2 |
|
Chassis fan power |
J8 |
Proprietary riser card slot |
SL1 |
|
Power switch |
J9 |
Cache expansion slot |
SL2 |
|
Floppy drive interface |
J10 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Factory configured - do not alter |
JP1 pins 9 & 10 |
Closed |
|
|
Password disabled |
JP1 pins 15 & 16 |
Open |
|
Password enabled |
JP1 pins 15 & 16 |
Closed | |
|
|
Factory configured - do not alter |
JP1 pins 17 & 18 |
Closed |
|
|
BIOS write protect enabled |
JP1 pins 19 & 20 |
Open |
|
BIOS write protect disabled |
JP1 pins 19 & 20 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 36 |
NONE |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
16MB |
(2) 2M x 36 |
NONE |
|
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
32MB |
(2) 4M x 36 |
NONE |
|
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
|
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
|
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
|
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
CMOS MODE CONFIGURATION | |
|
Mode |
JP1 |
|
Normal |
pins 11 & 12 closed |
|
Clear |
pins 13 & 14 closed |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP1 pins 3 & 4 |
JP1 pins 5 & 6 |
JP1 pins 7 & 8 |
|
75MHz |
Closed |
Closed |
Open |
|
90MHz |
Closed |
Open |
Closed |
|
100MHz |
Open |
Closed |
Open |