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 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo LED |
JP1 |
Key Lock & Power Connector |
CN1 |
|
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 not alter |
SW1/switch 1 |
off | |
|
NPU disabled |
SW1/switch 2 |
on | |
|
NPU enabled |
SW1/switch 2 |
off | |
|
Monitor type select CGA |
SW1/switch 5 SW1/switch 6 |
on off | |
|
Monitor type select EGA |
SW1/switch 5 SW1/switch 6 |
on on | |
|
Monitor type select MGA |
SW1/switch 5 SW1/switch 6 |
off off | |
|
Floppy drive select 1 drive |
SW2/switch 7 SW2/switch 8 |
on on | |
|
Floppy drive select 2 drives |
SW2/switch 7 SW2/switch 8 |
off on | |
|
Floppy drive select 3 drives |
SW2/switch 7 SW2/switch 8 |
on off | |
|
Floppy drive select 4 drives |
SW2/switch 7 SW2/switch 8 |
off off | |
|
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 |