AMERICAN MEGATRENDS, INC.
EXCALIBUR VLB PENTIUM
|
Processor |
Pentium |
|
Processor Speed |
60MHz |
|
Chip Set |
OPTi PTMWBA-V |
|
Max. Onboard DRAM |
128MB |
|
Cache |
128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots(2), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
PS/2 mouse port |
J1 |
Keylock |
J40 |
|
External battery |
J5 |
IDE interface LED |
J41 |
|
Parallel port |
J6 |
Turbo LED |
J42 |
|
IDE interface |
J7 |
Reset switch |
J43 |
|
Serial port 1 |
J8 |
Turbo switch |
J45 |
|
Serial port 2 |
J9 |
32-bit VESA local bus slot |
S1 |
|
Floppy drive interface |
J10 |
32-bit VESA local bus slot |
S2 |
|
Speaker |
J34 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
|
Factory configured - do not alter |
J11 |
Closed |
|
|
Factory configured - do not alter |
J12 |
Open |
|
|
Factory configured - do not alter |
J13 |
Open |
|
|
Factory configured - do not alter |
J16 |
Open |
|
|
Parallel port set at IRQ7 |
J18 |
pins 1 & 2 closed |
|
Parallel port set at IRQ5 |
J18 |
pins 2 & 3 closed | |
|
|
Serial port 1 set at IRQ4 |
J19 |
pins 1 & 2 closed |
|
Serial port 1 set at IRQ3 |
J19 |
pins 2 & 3 closed | |
|
|
Serial port 2 set at IRQ3 |
J20 |
pins 1 & 2 closed |
|
Serial port 2 set at IRQ4 |
J20 |
pins 2 & 3 closed | |
|
|
Enables IRQ12 from onboard mouse |
J28 |
pins 1 & 2 closed |
|
Enables IRQ12 from bus mouse |
J28 |
pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
J29 |
pins 1 & 2 closed |
|
CMOS memory clear (RAM drain) |
J29 |
pins 2 & 3 closed | |
|
|
Factory configured do not alter |
J38 |
pins 1, 2, 5, 6 closed |
|
|
Factory configured do not alter |
J39 |
Open |
|
|
Factory configured - do not alter |
J44 |
N/A |
|
|
Factory configured - do not alter |
J49 |
Open |
|
|
Factory configured - do not alter |
J50 |
Closed |
|
|
Flash ROM programming disabled |
J51 |
Open |
|
Flash ROM programming enabled |
J51 |
Closed | |
|
|
Factory configured - do not alter |
SW1/1 |
Off |
|
|
Monitor type select color |
SW1/2 |
On |
|
Monitor type select monochrome |
SW1/2 |
Off | |
|
EXTENDED PARALLEL PORT DMA SELECT | ||
|
DMA Channel |
J17 |
J25 |
|
None (Factory setting) |
Open |
Open |
|
DRQ0 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
DRQ1 |
pins 3 & 4 closed |
pins 3 & 4 closed |
|
DRQ3 |
pins 5 & 6 closed |
pins 5 & 6 closed |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
|
8MB |
(1) 1MB x 36 |
(1) 1MB x 36 |
|
16MB |
(1) 2MB x 36 |
(1) 2MB x 36 |
|
32MB |
(1) 4MB x 36 |
(1) 4MB x 36 |
|
128MB |
(1) 8MB x 36 |
(1) 8MB x 36 |
|
Note:The exact location of Bank 0 and Bank 1 are unknown. | ||
|
CACHE MEMORY CONFIGURATION | |||||
|
Size |
J30 |
J31 |
J52 |
J53 |
J54 |
|
128K |
Open |
Open |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
256K |
Open |
Closed |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
|
512K |
Closed |
Closed |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
|
Note:Pins designated should be in the closed position. | |||||