TEXT View Source
# TANDY/RADIO SHACK
SENSATION! (250-1650)
Processor 80486SX/80487SX/ODP486
Processor Speed 25MHz
Chip Set Unidentified
Video Chip Set Unidentified
Maximum Onboard 32MB
Memory
Maximum Video 1MB
Memory
Cache None
BIOS Unidentified
Dimensions 394mm x 381mm
I/O Options CD-ROM interface, floppy drive interface, IDE
interface, parallel port, PS/2 mouse port,
serial port, VGA feature connector, VGA port,
riser slot, audio connector, fax/data modem
connector, CD-ROM adapter, modem port
MIDI/game port, microphone connector,
headphone connector, line out connector
NPU Options 80487SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+--------------+---------------+--------------|
| VGA feature | CN1 | Serial port | Unidentified |
| connector | | | |
|--------------+--------------+---------------+--------------|
| Floppy drive | CN2 | Parallel port | Unidentified |
| interface | | | |
|--------------+--------------+---------------+--------------|
| CD audio | CN3 | MIDI/game | Unidentified |
| connector | | port | |
|--------------+--------------+---------------+--------------|
| Fax/data | CN4 | Microphone | Unidentified |
| modem | | connector | |
| connector | | | |
|--------------+--------------+---------------+--------------|
| CD-ROM | CN5 | Headphone | Unidentified |
| interface | | connector | |
|--------------+--------------+---------------+--------------|
| CD-ROM | CN6 | Line out | Unidentified |
| adapter | | connector | |
|--------------+--------------+---------------+--------------|
| IDE | CN7 | VGA port | Unidentified |
| interface | | | |
|--------------+--------------+---------------+--------------|
| PS/2 mouse | Unidentified | Riser slot | SL1 |
| port | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J9 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Synthesizer IRQ15 enabled | J11 | Closed |
|---+---------------------------------+-------+--------------|
| | Synthesizer IRQ15 disabled | J11 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J12 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Monitor type select color | J16 | Closed |
|---+---------------------------------+-------+--------------|
| | Monitor type select monochrome | J16 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J17 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Waveform IRQ5 enabled | J21 | Closed |
|---+---------------------------------+-------+--------------|
| | Waveform IRQ5 disabled | J21 | Open |
|---+---------------------------------+-------+--------------|
| » | Monitor frequency select | SW1/5 | Off |
| | 31.5KHz | | |
|---+---------------------------------+-------+--------------|
| | Monitor frequency select 40KHz | SW1/5 | On |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | SW1/6 | On |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | VGA IRQ9 disabled | SW1/7 | Off |
|---+---------------------------------+-------+--------------|
| | VGA IRQ9 enabled | SW1/7 | On |
|---+---------------------------------+-------+--------------|
| » | On board video enabled | SW1/8 | On |
|---+---------------------------------+-------+--------------|
| | On board video disabled | SW1/8 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 4MB | None | None | None | (1) 1M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | None | (1) 2M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | None | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 2M x 36 | (1) 2M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 2M x 36 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: Board accepts 512KB/1MB of video memory. 512KB |
| is factory installed and is not configurable. The |
| size of the chips are unidentified. The number of |
| banks is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO RESOLUTION SELECTION (800 X 600) |
|------------------------------------------------------------|
| Frequency | SW1/1 | SW1/2 |
|-------------------------+-----------------+----------------|
| » | 56Hz | Off | Off |
|--------+----------------+-----------------+----------------|
| | 60Hz | Off | On |
|--------+----------------+-----------------+----------------|
| | 72Hz | On | Off |
|--------+----------------+-----------------+----------------|
| | 56Hz | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO RESOLUTION SELECTION (1024 X 768) |
|------------------------------------------------------------|
| Frequency | SW1/3 | SW1/4 |
|-------------------------+-----------------+----------------|
| » | 56Hz interlaced | Off | Off |
|---+---------------------+-----------------+----------------|
| | 60Hz non-interlaced | Off | On |
+------------------------------------------------------------+