BCM ADVANCED RESEARCH, INC.
SQ588
Processor |
Pentium |
Processor Speed |
75/90/100MHz |
Chip Set |
SIS |
Video Chip Set |
None |
Maximum Onboard Memory |
128MB (EDO supported) |
Maximum Video Memory |
None |
Cache |
256/512/1024KB |
BIOS |
AMI/Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse interface |
J1 |
Standby connector |
J18 |
Green PC connector |
J5 |
Turbo LED |
J20 |
Serial port 2 |
J6 |
IDE interface LED |
J21 |
Floppy drive interface |
J7 |
Power LED & keylock |
J22 |
IDE interface 1 |
J8 |
Reset switch |
J23 |
Serial port 1 |
J9 |
Speaker |
J24 |
Parallel port |
J10 |
32-bit PCI slots |
PC1 – PC4 |
IDE interface 2 |
J11 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Flash BIOS normal operation |
J12 |
Open |
Flash BIOS programming mode |
J12 |
Closed | |
» |
CMOS memory normal operation |
J27 |
Open |
CMOS memory clear |
J27 |
Closed | |
» |
Factory configured - do not alter |
J28 |
Open |
» |
Factory configured - do not alter |
J30 |
Open |
» |
Factory configured - do not alter |
JP1 |
Unidentified |
IDE interface enabled |
JP11 |
Open | |
IDE interface disabled |
JP11 |
Closed |
SIMM 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 |
8MB |
(2) 1M x 36 |
None |
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
None |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. |
SIMM JUMPER CONFIGURATION | |
Size |
J26 |
Single sided |
Pins 1 & 2 closed |
Double sided |
Pins 2 & 3 closed |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
TAG |
256KB |
(8) 32K x 8 |
(1) 32K x 8 |
512KB |
(8) 64K x 8 |
(1) 32K x 8 |
1MB |
(8) 128K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||
Size |
J16 |
J17 |
256KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
512KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
1MB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU SPEED SELECTION | ||||||
CPU speed |
Clock speed |
Multiplier |
J13 |
J14 |
J15 |
J31 |
75MHz |
50MHz |
1.5x |
Open |
Open |
Closed |
1 & 2 |
90MHz |
60MHz |
1.5x |
Closed |
Open |
Open |
1 & 2 |
100MHz |
66MHz |
1.5x |
Open |
Closed |
Open |
2 & 3 |
Note: Pins designated should be in the closed position. |