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# UNIDENTIFIED
GW-XTI/88/V2
Processor 8088 -1
Processor Speed 10/12 MHz
Chip Set Tact80101
Max. Onboard DRAM 640K
SRAM Cache None
BIOS Unknown
Dimensions 355.6mm x 304mm
I/O Options None
NPU Options 8087
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+----------+-----------------------+----------|
| Turbo LED | JP1 | Key Lock & Power | CN1 |
| | | Connector | |
|--------------+----------+-----------------------+----------|
| Reset Switch | JP4 | Speaker Connector | CN3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Position |
|---------------------------------+-------------+------------|
| » | Parity checking enabled | JP2 | open |
|----+----------------------------+-------------+------------|
| | Parity checking disabled | JP2 | closed |
|----+----------------------------+-------------+------------|
| » | CPU speed select turbo | JP3 | open |
|----+----------------------------+-------------+------------|
| | CPU speed select slow | JP3 | open |
|----+----------------------------+-------------+------------|
| » | Factory configured - do | SW1/switch | off |
| | not alter | 1 | |
|----+----------------------------+-------------+------------|
| » | NPU disabled | SW1/switch | on |
| | | 2 | |
|----+----------------------------+-------------+------------|
| | NPU enabled | SW1/switch | off |
| | | 2 | |
|----+----------------------------+-------------+------------|
| » | Monitor type select CGA | SW1/switch | on |
| | | 5 | |
| | | | off |
| | | SW1/switch | |
| | | 6 | |
|----+----------------------------+-------------+------------|
| | Monitor type select EGA | SW1/switch | on |
| | | 5 | |
| | | | on |
| | | SW1/switch | |
| | | 6 | |
|----+----------------------------+-------------+------------|
| | Monitor type select MGA | SW1/switch | off |
| | | 5 | |
| | | | off |
| | | SW1/switch | |
| | | 6 | |
|----+----------------------------+-------------+------------|
| » | Floppy drive select 1 | SW2/switch | on |
| | drive | 7 | |
| | | | on |
| | | SW2/switch | |
| | | 8 | |
|----+----------------------------+-------------+------------|
| | Floppy drive select 2 | SW2/switch | off |
| | drives | 7 | |
| | | | on |
| | | SW2/switch | |
| | | 8 | |
|----+----------------------------+-------------+------------|
| | Floppy drive select 3 | SW2/switch | on |
| | drives | 7 | |
| | | | off |
| | | SW2/switch | |
| | | 8 | |
|----+----------------------------+-------------+------------|
| | Floppy drive select 4 | SW2/switch | off |
| | drives | 7 | |
| | | | off |
| | | SW2/switch | |
| | | 8 | |
|------------------------------------------------------------|
| Note:The CPU speed (JP3) must be set before applying power |
| to the computer and should not be |
+------------------------------------------------------------+
+-------------------------------------------------------------------------+
| DRAM CONFIGURATION |
|-------------------------------------------------------------------------|
|Size | Bank 0 | Bank 1 |Bank 2 |Bank 3 | Bank 4 | Bank 5 |Bank 6 |Bank 7 |
|-----+--------+--------+-------+-------+--------+--------+-------+-------|
|256KB|(8)41256| none | none | none | none | none | none | none |
|-----+--------+--------+-------+-------+--------+--------+-------+-------|
|256KB| none | none | none | none |(2)44256| none | none | none |
|-----+--------+--------+-------+-------+--------+--------+-------+-------|
|512KB|(8)41256|(8)41256| none | none | none | none | none | none |
|-----+--------+--------+-------+-------+--------+--------+-------+-------|
|512KB| none | none | none | none |(2)44256|(2)44256| none | none |
|-----+--------+--------+-------+-------+--------+--------+-------+-------|
|640KB|(8)41256|(8)41256|(8)4164|(8)4164| none | none | none | none |
|-----+--------+--------+-------+-------+--------+--------+-------+-------|
|640KB| none | none | none | none |(2)44256|(2)44256|(2)4464|(2)4464|
|-----+--------+--------+-------+-------+--------+--------+-------+-------|
|640KB|(8)41256|(8)41256| none | none | none | none |(2)4464|(2)4464|
|-----+--------+--------+-------+-------+--------+--------+-------+-------|
|640KB| none | none |(8)4164|(8)4164|(2)44256|(2)44256| none | none |
|-------------------------------------------------------------------------|
|Note:DRAM parity must be configured for the appropriate memory |
|configurations. |
+-------------------------------------------------------------------------+
+------------------------------------------------------------+
| PARITY CONFIGURATION |
|------------------------------------------------------------|
| Size | P0 | P1 | P2 | P3 |
|--------+---------------+------------+-----------+----------|
| 256KB | (1)41256 | none | none | none |
|--------+---------------+------------+-----------+----------|
| 512KB | (1)41256 | (1)41256 | none | none |
|--------+---------------+------------+-----------+----------|
| 640KB | (1)41256 | (1)41256 | (1)4164 | (1)4164 |
|------------------------------------------------------------|
| Note:DRAM parity must be configured for the appropriate |
| memory configurations. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SWI/switch 3 | SW1/Switch 4 |
|------------------+--------------------+--------------------|
| 256K | off | off |
|------------------+--------------------+--------------------|
| 512K | on | off |
|------------------+--------------------+--------------------|
| 640K | off | on |
|------------------+--------------------+--------------------|
| 640K | on | on |
+------------------------------------------------------------+