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 |