I-BUS
SHARK II
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/133/150/166/200MHz |
|
Chip Set |
OPTI |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
256MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB |
|
BIOS |
Unidentified |
|
Dimensions |
Unidentified |
|
I/O Options |
Floppy drive interface, green PC connector, IDE interface, parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
IDE interface |
J1 |
Speaker |
J11 |
|
Floppy drive interface |
J2 |
Chassis fan power |
J13 |
|
Parallel port |
J3 |
Green PC connector |
J16 |
|
Serial port 2 |
J4 |
PS/2 mouse port |
J25 |
|
Serial port 1 |
J5 |
IDE interface LED |
J27 |
|
Auxiliary keyboard connector |
J8 |
External battery |
J28 |
|
Reset switch |
J10 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
IDE IRQ14 enabled |
J6 |
Closed |
|
IRQ14 disabled |
J6 |
Open | |
|
» |
Factory configured - do not alter |
J15 |
Open |
|
Cache always invalidates |
J17 |
Open | |
|
Cache invalidates on writes only |
J17 |
Closed | |
|
» |
Factory configured - do not alter |
J18 |
Pins 1 & 4, 2 & 3 closed |
|
Floppy drive size select 1.2MB/1.44MB |
J19 |
Pins 1 & 2 closed | |
|
Floppy drive size select 2.88MB |
J19 |
Pins 3 & 4, 5 & 6 closed | |
|
» |
Watchdog timer enabled |
J21 |
Closed |
|
Watchdog timer disabled |
J21 |
Open | |
|
» |
Factory configured - do not alter |
J23 |
Open |
|
Password enabled |
J24 |
Closed | |
|
Password disabled |
J24 |
Open | |
|
» |
CMOS memory normal operation |
J29 |
Open |
|
CMOS memory clear |
J29 |
Closed | |
|
PS/2 mouse IRQ12 enabled |
J30 |
Closed | |
|
PS/2 mouse IRQ12 disabled |
J30 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 36 |
None |
|
16MB |
(2) 2M x 36 |
None |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
|
64MB |
(2) 8M x 36 |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
128MB |
(2) 16M x 36 |
None |
|
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
|
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
|
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
|
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
|
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
|
CACHE CONFIGURATION |
|
Note: The location of the 256KB/512KB cache is unidentified. |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
J9 |
J12 |
|
256KB |
Pins 1 & 3, 2 & 4 closed |
Open |
|
512KB |
Pins 3 & 5, 4 & 6 closed |
Closed |
|
CPU SPEED SELECTION | ||||||
|
CPU speed |
Clock speed |
Multiplier |
J14 |
J22 |
J26 |
J32 |
|
75MHz |
50MHz |
1.5x |
Open |
Open |
1 & 2 |
Open |
|
90MHz |
60MHz |
1.5x |
Open |
1 & 2, 3 & 4 |
1 & 2 |
Open |
|
100MHz |
66MHz |
1.5x |
Open |
1 & 2 |
1 & 2 |
Open |
|
120MHz |
60MHz |
2x |
1 & 2 |
1 & 2, 3 & 4 |
Open |
Open |
|
133MHz |
66MHz |
2x |
1 & 2 |
1 & 2 |
Open |
Open |
|
150MHz |
60MHz |
2.5x |
1 & 2 |
1 & 2, 3 & 4 |
Open |
1 & 2 |
|
166MHz |
66MHz |
2.5x |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
|
200MHz |
66MHz |
3x |
Open |
1 & 2 |
Open |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||||
|
DMA CHANNEL SELECTION | |
|
Channel |
J31 |
|
1 |
Pins 3 & 4, 7 & 8 closed |
|
3 |
Pins 1 & 2, 5 & 6 closed |
|
WATCH DOG TIMER SELECTION | ||
|
Setting |
J33 | |
|
IRQ11 for WDT only |
Pins 1 & 3 closed | |
| » |
IRQ11 shared with WDT & ISA bus |
Pins 1 & 3, 2 & 4 closed |
|
IRQ11 for ISA bus only |
Pins 3 & 4 closed | |