COMPUTREND SYSTEMS, INC.
PCI PENTIUM AL4
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120MHz |
|
Chip Set |
ALI |
|
Max. Onboard DRAM |
128MB |
|
Cache |
256/512/1024KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 220mm |
|
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Turbo LED |
JFP pins 12 & 13 |
|
Serial port 2 |
CN2 |
Turbo switch |
JFP pins 15 - 17 |
|
Parallel port |
CN3 |
Reset switch |
JFP pins 19 & 20 |
|
Floppy drive interface |
CN4 |
IDE interface LED |
JFPA |
|
IDE interface 2 |
CN5 |
Green PC connector (monitor) |
JG1 |
|
IDE interface 1 |
CN6 |
Green PC LED |
JG2 |
|
External battery |
JB1 |
Green PC connector |
JG3 |
|
Power LED & keylock |
JFP pins 1 - 5 |
Chassis fan power |
JP10 |
|
Speaker |
JFP pins 7 - 10 |
32-bit PCI slots |
PC1 - PC4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Battery type select internal |
JB1 |
Pins 2 & 3 closed |
|
Battery type select external |
JB1 |
Closed | |
|
CMOS memory clear |
JB1 |
Pins 3 & 4 closed | |
|
» |
Flash BIOS voltage select 12v |
JP2 |
Pins 1 & 2 closed |
|
Flash BIOS voltage select 5v |
JP2 |
Pins 2 & 3 closed | |
|
» |
Power good signal detect from board |
JP5 |
Pins 2 & 3 closed |
|
Power good signal detect from power supply |
JP5 |
Pins 1 & 2 closed | |
|
IDE interface enabled |
JP7 |
Open | |
|
IDE interface disabled |
JP7 |
Closed | |
|
» |
Factory configured - do not alter |
JP8 |
N/A |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 36 |
NONE |
|
4MB |
(2) 512K x 36 |
NONE |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
|
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
|
6MB |
(2) 256K x 36 |
(2) 512K x 36 |
|
8MB |
(2) 1M x 36 |
NONE |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
|
10MB |
(2) 256K x 36 |
(2) 1M x 36 |
|
12MB |
(2) 1M x 36 |
(2) 512K x 36 |
|
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
|
16MB |
(2) 2M x 36 |
NONE |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
|
18MB |
(2) 256K x 36 |
(2) 2M x 36 |
|
20MB |
(2) 2M x 36 |
(2) 512K x 36 |
|
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
|
32MB |
(2) 4M x 36 |
NONE |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
|
34MB |
(2) 256K x 36 |
(2) 4M x 36 |
|
36MB |
(2) 4M x 36 |
(2) 512K x 36 |
|
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
|
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 8M x 36 |
NONE |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
DRAM CONFIGURATION (CON’T) | ||
|
Size |
Bank 0 |
Bank 1 |
|
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
|
66MB |
(2) 256K x 36 |
(2) 8M x 36 |
|
68MB |
(2) 8M x 36 |
(2) 512K x 36 |
|
68MB |
(2) 512K x 36 |
(2) 8M x 36 |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
|
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
|
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M 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 |
TAG |
|
256KB |
(8) 32K x 8 |
(1) 8K x 8 |
|
512KB |
(8) 64K x 8 |
(1) 16K x 8 |
|
1MB |
(8) 128K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JS2 |
JS3 |
|
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
512KB |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
1MB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | ||
|
Speed |
JK1 |
JR1 |
|
75MHz |
Open |
Open |
|
90MHz |
Pins 1 & 2 closed |
Open |
|
100MHz |
Pins 1 & 2, 3 & 4 closed |
Open |
|
120MHz |
Pins 1 & 2 closed |
Closed |
|
CPU VOLTAGE CONFIGURATION | |
|
Voltage |
JP12 |
|
3.4v |
Closed |
|
3.5v |
Open |
|
DMA CONFIGURATION | ||||
|
DMA |
CP2 |
CP3 |
CP4 |
CP5 |
|
DMA 1 |
Open |
Closed |
Open |
Closed |
|
DMA 3 |
Closed |
Open |
Closed |
Open |