BIOSTAR MICROTECH INTERNATIONAL, INC.
MB-1500/1575/1590PCT
Processor |
Pentium |
Processor Speed |
75/90/100MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
128MB |
Cache |
256/512/1024/2048KB |
BIOS |
Award |
Dimensions |
330mm x 218mm |
I/O Options |
32-bit VESA local bus slots (2), 32-bit PCI slots (3) |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
External battery |
JP8 |
Turbo switch |
JP15 (pins 14 - 16) |
Speaker |
JP15 (pins 1 - 4) |
+5v ground |
JP15 (pins 17 - 18) |
Power LED & keylock |
JP15 (pins 5 - 9) |
Chassis fan power |
JP32 |
Turbo LED |
JP15 (pins 10 - 11) |
32-bit VESA local bus slots |
PC1 - PC3 |
Reset switch |
JP15 (pins 12 - 13) |
32-bit PCI bus slots |
SL1 & SL2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Host data wait state select 1 wait state |
JP4 |
Open |
Host data wait state select 0 wait states |
JP4 |
Closed | |
» |
Back to back I/O delay select 3 wait states |
JP6 |
Open |
Back to back I/O delay select 0 wait states |
JP6 |
Closed | |
» |
CMOS memory normal operation |
JP8 |
pins 2 & 3 closed |
CMOS memory clear |
JP8 |
pins 3 & 4 closed | |
Battery type select external |
JP8 |
Closed | |
» |
Monitor type select color |
JP14 |
Open |
Monitor type select monochrome |
JP14 |
Closed | |
» |
Factory configured - do not alter |
JP19 |
Open |
» |
Buffer type select stand alone |
JP26 |
Open |
Buffer type select loaded component |
JP26 |
Closed | |
» |
Factory configured - do not alter |
JP31 |
Open |
» |
Stop clock select enabled |
JP33 |
Open |
Stop clock select disabled |
JP33 |
Closed | |
» |
Bus/core ratio select 2/3 ratio |
JP34 |
Open |
Bus/core ratio select 1/2 ratio |
JP34 |
Closed | |
» |
Factory configured - do not alter |
JP35 |
Open |
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) 256K x 36 |
(2) 512K x 36 |
8MB |
(2) 1M x 36 |
NONE |
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
10MB |
(2) 256K x 36 |
(2) 1M 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) 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) 4M x 36 |
NONE |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
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) 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 |
DRAM CONFIGURATION (CON’T) | ||
Size |
Bank 0 |
Bank 1 |
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 |
Bank 1 |
TAG |
256KB |
(8) 32K x 8 |
NONE |
(1) 8K x 8 |
512KB |
(8) 32K x 8 |
(8) 32K x 8 |
(1) 32K x 8 |
512KB |
(8) 64K x 8 |
NONE |
(1) 32K x 8 |
1MB |
(8) 64K x 8 |
(8) 64K x 8 |
(1) 32K x 8 |
1MB |
(8) 128K x 8 |
NONE |
(1) 32K x 8 |
2MB |
(8) 128K x 8 |
(8) 128K x 8 |
(1) 64K x 8 |
CACHE JUMPER CONFIGURATION | |||||||
Size |
JP20 |
JP21 |
JP22 |
JP23 |
JP28 |
JP29 |
JP30 |
256KB |
Open |
Open |
Open |
Open |
1 & 2 |
Open |
1 & 2 |
512KB |
Open |
Open |
Closed |
Open |
2 & 3 |
Open |
2 & 3 |
512KB |
Open |
Open |
Closed |
Open |
1 & 2 |
2 & 3 |
1 & 2 |
1MB |
Open |
Closed |
Closed |
Open |
2 & 3 |
1 & 2 |
2 & 3 |
1MB |
Open |
Closed |
Closed |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2MB |
Closed |
Closed |
Closed |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CACHE VOLTAGE CONFIGURATION | ||
Voltage |
JP17 |
JP18 |
3v |
pins 3 & 5, 4 & 6 closed |
pins 3 & 5, 4 & 6 closed |
5v |
pins 1 & 3, 2 & 4 closed |
pins 1 & 3, 2 & 4 closed |
Note: JP17 = Bank 0 and JP18 = Bank 1. |
CPU SPEED CONFIGURATION | |||
Speed |
JP11 |
JP12 |
JP13 |
75MHz |
Closed |
Open |
Open |
90MHz |
Open |
Closed |
Open |
100MHz |
Closed |
Open |
Closed |
VESA WAIT STATE CONFIGURATION | |
Wait states |
JP5 |
0 wait states |
Open |
1 wait state |
Closed |
BUS SPEED CONFIGURATION | |
CPU speed |
JP3 |
CPU clock/2 |
Open |
= 50MHz |
Closed |
AT CLOCK CONFIGURATION | ||
Clock |
JP7 |
JP9 |
LCLK/3 |
Open |
Closed |
LCLK/4 |
Closed |
Open |
PCI IRQ CONFIGURATION | ||
IRQ |
JP37 |
JP38 |
IRQ14 |
pins 2 & 3 closed |
pins 1 & 2 closed |
IRQ15 |
pins 1 & 2 closed |
pins 2 & 3 closed |
DRIVE ENABLE CONFIGURATION | ||
Speed |
JP25 |
JP27 |
50MHz |
Open |
Open |
60MHz |
Closed |
Closed |
66MHz |
Closed |
Closed |
FLASH MEMORY CONFIGURATION | |
Setting |
JP24 |
EPROM |
Open |
5v flash |
pins 2 & 3 closed |
12v flash |
pins 1 & 2 closed |