ADVANCED INTEGRATION RESEARCH, INC.
54CMI REV. 1.0
|
Processor |
Pentium Overdrive/Pentium |
|
Processor Speed |
75/90/100MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
128MB |
|
Cache |
256/512/1024KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI bus slots (3), 32-bit VESA local bus slots (2), floppy drive interface (2), IDE interface, parallel port, serial ports (2), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Reset switch |
J3 |
|
Serial port 2 |
CN2 |
External battery |
J4 |
|
IDE interface |
CN3 |
Turbo switch |
J5 |
|
Parallel port |
CN4 |
Turbo LED |
J6 |
|
Floppy drive interface 2 |
CN5 |
IDE interface LED |
J7 |
|
Floppy drive interface 1 |
CN6 |
Green PC feature connector |
JP15 |
|
Power LED & keylock |
J1 |
32-bit PCI bus slots |
P1 - P3 |
|
Speaker |
J2 |
32-bit VESA Local bus slots |
SL1 & SL2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Turbo mode enabled/flash BIOS programming disabled |
J5 |
Closed |
|
Turbo mode disabled/flash BIOS programming enabled |
J5 |
Open | |
|
» |
CMOS memory normal operation |
JP14 |
Pins 2 & 3 closed |
|
CMOS memory clear |
JP14 |
Pins 1 & 2 closed | |
|
» |
Parallel port IRQ select IRQ7 |
JP32 |
Pins 1 & 2 closed |
|
Parallel port IRQ select IRQ5 |
JP32 |
Pins 2 & 3 closed | |
|
» |
On board PCI IDE enabled |
JP35 |
Open |
|
On board PCI IDE disabled |
JP35 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 36 |
NONE |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
|
4MB |
(2) 512K x 36 |
NONE |
|
6MB |
(2) 256K x 36 |
(2) 512K x 36 |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
8MB |
(2) 1M x 36 |
NONE |
|
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
|
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
16MB |
(2) 2M x 36 |
NONE |
|
18MB |
(2) 256K x 36 |
(2) 2M x 36 |
|
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
|
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
32MB |
(2) 4M x 36 |
NONE |
|
34MB |
(2) 256K x 36 |
(2) 4M x 36 |
|
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
|
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 |
|
64MB |
(2) 8M x 36 |
NONE |
|
66MB |
(2) 256K x 36 |
(2) 8M x 36 |
|
68MB |
(2) 512K x 36 |
(2) 8M 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 |
|
CACHE CONFIGURATION | |
|
Size |
Bank 0 |
|
256KB |
(8) 32K x 8 |
|
512KB |
(8) 64K x 8 |
|
1MB |
(8) 128K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JP4 |
JP5 |
|
256KB |
Open |
Open |
|
512KB |
Open |
Closed |
|
1MB |
Closed |
Closed |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JO1 |
JO2 |
JO3 |
|
75MHz |
Open |
Open |
Closed |
|
90MHz |
Open |
Closed |
Open |
|
100MHz |
Closed |
Closed |
Open |
|
FOUR FLOPPY DRIVE CONFIGURATION | ||||
|
All drives enabled |
ECP mode enabled |
JP29 |
JP30 |
JP31 |
|
Yes |
No |
Open |
Open |
Open |
|
No |
Yes, use DMA 3 |
Closed |
1 & 2 |
1 & 2 |
|
No |
Yes, use DMA 1 |
Closed |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | ||||
|
GREEN PC CONFIGURATION | |
|
Description |
JP15 |
|
Can be used to control video card VSYNC. Connect to pin 12 on VGA feature connector. |
Pin 1 |
|
Can be used to control video card HSYNC. Connect to pin 11 on VGA feature connector. |
Pin 2 |
|
Enables or disables video signals. Connect this to pin 18 on VGA feature connector. |
Pin 3 |