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 (CONT) | ||
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 |