TEXT View Source
# AMERICAN MEGATRENDS, INC.
EXCALIBUR VLB PENTIUM
Processor Pentium
Processor 60MHz
Speed
Chip Set OPTi PTMWBA-V
Max. Onboard 128MB
DRAM
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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J1 | Keylock | J40 |
|-------------------+----------+------------------+----------|
| External battery | J5 | IDE interface | J41 |
| | | LED | |
|-------------------+----------+------------------+----------|
| 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 | S1 |
| | | local bus slot | |
|-------------------+----------+------------------+----------|
| Floppy drive | J10 | 32-bit VESA | S2 |
| interface | | local bus slot | |
|-------------------+----------+------------------+----------|
| Speaker | J34 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|------------------------------+---------------+-------------|
| » | Factory configured - do | J11 | Closed |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Factory configured - do | J12 | Open |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Factory configured - do | J13 | Open |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Factory configured - do | J16 | Open |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Parallel port set at | J18 | pins 1 & 2 |
| | IRQ7 | | closed |
|---+--------------------------+---------------+-------------|
| | Parallel port set at | J18 | pins 2 & 3 |
| | IRQ5 | | closed |
|---+--------------------------+---------------+-------------|
| » | Serial port 1 set at | J19 | pins 1 & 2 |
| | IRQ4 | | closed |
|---+--------------------------+---------------+-------------|
| | Serial port 1 set at | J19 | pins 2 & 3 |
| | IRQ3 | | closed |
|---+--------------------------+---------------+-------------|
| » | Serial port 2 set at | J20 | pins 1 & 2 |
| | IRQ3 | | closed |
|---+--------------------------+---------------+-------------|
| | Serial port 2 set at | J20 | pins 2 & 3 |
| | IRQ4 | | closed |
|---+--------------------------+---------------+-------------|
| » | Enables IRQ12 from | J28 | pins 1 & 2 |
| | onboard mouse | | closed |
|---+--------------------------+---------------+-------------|
| | Enables IRQ12 from bus | J28 | pins 2 & 3 |
| | mouse | | closed |
|---+--------------------------+---------------+-------------|
| » | CMOS memory normal | J29 | pins 1 & 2 |
| | operation | | closed |
|---+--------------------------+---------------+-------------|
| | CMOS memory clear (RAM | J29 | pins 2 & 3 |
| | drain) | | closed |
|---+--------------------------+---------------+-------------|
| » | Factory configured do | J38 | pins 1, 2, |
| | not alter | | 5, 6 closed |
|---+--------------------------+---------------+-------------|
| » | Factory configured do | J39 | Open |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Factory configured - do | J44 | N/A |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Factory configured - do | J49 | Open |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Factory configured - do | J50 | Closed |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Flash ROM programming | J51 | Open |
| | disabled | | |
|---+--------------------------+---------------+-------------|
| | Flash ROM programming | J51 | Closed |
| | enabled | | |
|---+--------------------------+---------------+-------------|
| » | Factory configured - do | SW1/1 | Off |
| | not alter | | |
|---+--------------------------+---------------+-------------|
| » | Monitor type select | SW1/2 | On |
| | color | | |
|---+--------------------------+---------------+-------------|
| | Monitor type select | SW1/2 | Off |
| | monochrome | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED PARALLEL PORT DMA SELECT |
|------------------------------------------------------------|
| DMA Channel | J17 | J25 |
|--------------------+-------------------+-------------------|
| None (Factory | Open | Open |
| setting) | | |
|--------------------+-------------------+-------------------|
| 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 & | pins 1 & | pins 1 & |
| | | | 2 | 2 | 2 |
|------+--------+--------+-----------+-----------+-----------|
| 256K | Open | Closed | pins 2 & | pins 2 & | pins 2 & |
| | | | 3 | 3 | 3 |
|------+--------+--------+-----------+-----------+-----------|
| 512K | Closed | Closed | pins 1 & | pins 1 & | pins 1 & |
| | | | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+