APPARAT, INC. ============= AT COMBO CARD Card Type Multi-I/O Chipset Unidentified Maximum Onboard Memory 3MB DRAM I/O Options Parallel port, serial port Data Bus 16-bit ISA +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |---------------------+-------+----------------------+-------| | Serial port | CN1 | Parallel port | CN2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |--------------------------------------+--------+------------| | Serial port address set to COM1: | E1 | Pins 2 & 3 | | (3F8h) | | closed | |--------------------------------------+--------+------------| | Serial port address set to COM2: | E1 | Pins 1 & 2 | | (2F8h) | | closed | |--------------------------------------+--------+------------| | Parallel port address set to 378h | E3 | Pins 2 & 3 | | | | closed | |--------------------------------------+--------+------------| | Parallel port address set to 278h | E3 | Pins 1 & 2 | | | | closed | |--------------------------------------+--------+------------| | Serial port enabled | E5 | Closed | |--------------------------------------+--------+------------| | Serial port disabled | E5 | Open | |--------------------------------------+--------+------------| | Parallel port enabled | E6 | Closed | |--------------------------------------+--------+------------| | Parallel port disabled | E6 | Open | |------------------------------------------------------------| | Note:Disabling a port does not disable its respective | | interrupt; this must be done with the interrupt | | setting jumpers. | +------------------------------------------------------------+ +------------------------------------------------------------+ | STARTING MEMORY ADDRESS SELECTION | |------------------------------------------------------------| | Setting | System Board Memory | SW1/1 | SW1/2 | |-------------+---------------------+------------+-----------| | 256KB | 256KB | On | On | |-------------+---------------------+------------+-----------| | 512KB | 512KB | On | Off | |-------------+---------------------+------------+-----------| | 1024KB | 640KB | Off | On | |-------------+---------------------+------------+-----------| | 1408KB | 1MB | Off | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Starting | Bank 0 | Bank 1 | Bank | Bank | Bank | Bank | | | | | 2 | 3 | 4 | 5 | | Address | | | | | | | | Setting | | | | | | | |----------+--------+--------+-------+-------+-------+-------| | 256KB | (18) | None | None | None | None | None | | | 256K x | | | | | | | | 1 | | | | | | |----------+--------+--------+-------+-------+-------+-------| | 256KB | (18) | (18) | None | None | None | None | | | 256K x | 256K x | | | | | | | 1 | 1 | | | | | |----------+--------+--------+-------+-------+-------+-------| | 256KB | (18) | (18) | (18) | None | None | None | | | 256K x | 256K x | 256K | | | | | | 1 | 1 | x 1 | | | | |----------+--------+--------+-------+-------+-------+-------| | 256KB | (18) | (18) | (18) | (18) | None | None | | | 256K x | 256K x | 256K | 256K | | | | | 1 | 1 | x 1 | x 1 | | | |----------+--------+--------+-------+-------+-------+-------| | 256KB | (18) | (18) | (18) | (18) | (18) | None | | | 256K x | 256K x | 256K | 256K | 256K | | | | 1 | 1 | x 1 | x 1 | x 1 | | |----------+--------+--------+-------+-------+-------+-------| | 256KB | (18) | (18) | (18) | (18) | (18) | (18) | | | 256K x | 256K x | 256K | 256K | 256K | 256K | | | 1 | 1 | x 1 | x 1 | x 1 | x 1 | |----------+--------+--------+-------+-------+-------+-------| | 512KB | (18) | None | None | None | None | None | | | 64K x | | | | | | | | 1 | | | | | | |----------+--------+--------+-------+-------+-------+-------| | 512KB | (18) | (18) | None | None | None | None | | | 64K x | 256K x | | | | | | | 1 | 1 | | | | | |----------+--------+--------+-------+-------+-------+-------| | 512KB | (18) | (18) | (18) | None | None | None | | | 64K x | 256K x | 256K | | | | | | 1 | 1 | x 1 | | | | |----------+--------+--------+-------+-------+-------+-------| | 512KB | (18) | (18) | (18) | (18) | None | None | | | 64K x | 256K x | 256K | 256K | | | | | 1 | 1 | x 1 | x 1 | | | |----------+--------+--------+-------+-------+-------+-------| | 512KB | (18) | (18) | (18) | (18) | (18) | None | | | 64K x | 256K x | 256K | 256K | 256K | | | | 1 | 1 | x 1 | x 1 | x 1 | | |----------+--------+--------+-------+-------+-------+-------| | 512KB | (18) | (18) | (18) | (18) | (18) | (18) | | | 64K x | 256K x | 256K | 256K | 256K | 256K | | | 1 | 1 | x 1 | x 1 | x 1 | x 1 | |----------+--------+--------+-------+-------+-------+-------| | 1024KB | (18) | (18) | None | None | None | None | | | 256K x | 256K x | | | | | | | 1 | 1 | | | | | |----------+--------+--------+-------+-------+-------+-------| | 1024KB | (18) | (18) | (18) | None | None | None | | | 256K x | 256K x | 256K | | | | | | 1 | 1 | x 1 | | | | |----------+--------+--------+-------+-------+-------+-------| | 1024KB | (18) | (18) | (18) | (18) | None | None | | | 256K x | 256K x | 256K | 256K | | | | | 1 | 1 | x 1 | x 1 | | | |----------+--------+--------+-------+-------+-------+-------| | 1024KB | (18) | (18) | (18) | (18) | (18) | None | | | 256K x | 256K x | 256K | 256K | 256K | | | | 1 | 1 | x 1 | x 1 | x 1 | | |----------+--------+--------+-------+-------+-------+-------| | 1024KB | (18) | (18) | (18) | (18) | (18) | (18) | | | 256K x | 256K x | 256K | 256K | 256K | 256K | | | 1 | 1 | x 1 | x 1 | x 1 | x 1 | |----------+--------+--------+-------+-------+-------+-------| | 1408KB | (18) | (18) | None | None | None | None | | | 256K x | 256K x | | | | | | | 1 | 1 | | | | | |----------+--------+--------+-------+-------+-------+-------| | 1408KB | (18) | (18) | (18) | None | None | None | | | 256K x | 256K x | 256K | | | | | | 1 | 1 | x 1 | | | | |----------+--------+--------+-------+-------+-------+-------| | 1408KB | (18) | (18) | (18) | (18) | None | None | | | 256K x | 256K x | 256K | 256K | | | | | 1 | 1 | x 1 | x 1 | | | |----------+--------+--------+-------+-------+-------+-------| | 1408KB | (18) | (18) | (18) | (18) | (18) | None | | | 256K x | 256K x | 256K | 256K | 256K | | | | 1 | 1 | x 1 | x 1 | x 1 | | |----------+--------+--------+-------+-------+-------+-------| | 1408KB | (18) | (18) | (18) | (18) | (18) | (18) | | | 256K x | 256K x | 256K | 256K | 256K | 256K | | | 1 | 1 | x 1 | x 1 | x 1 | x 1 | |------------------------------------------------------------| | Note:Bank 0 may be used for either base | | (conventional) or extended memory, but not both. | | Therefore, when the starting address is set to either | | 256KB or 512KB, Bank 0 is used to raise the base | | memory to 640KB. Any remaining memory in Bank 0 is | | ignored. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM SWITCH CONFIGURATION | |------------------------------------------------------------| | Number | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 | | | | | | | | | | Banks | | | | | | | | | | | | | | | | Installed | | | | | | | |-----------+--------+-------+-------+-------+-------+-------| | 1 | On | Off | Off | Off | Off | Off | |-----------+--------+-------+-------+-------+-------+-------| | 2 | On | On | Off | Off | Off | Off | |-----------+--------+-------+-------+-------+-------+-------| | 3 | On | On | On | Off | Off | Off | |-----------+--------+-------+-------+-------+-------+-------| | 4 | On | On | On | On | Off | Off | |-----------+--------+-------+-------+-------+-------+-------| | 5 | On | On | On | On | On | Off | |-----------+--------+-------+-------+-------+-------+-------| | 6 | On | On | On | On | On | On | |------------------------------------------------------------| | Note:SW1/3 to SW1/8 enable Banks 0 through 5 | | respectively. Banks 3, 4, and 5 are located on a | | daughterboard. The locations of the memory and | | daughterboard headers are unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT INTERRUPT SELECTION | |------------------------------------------------------------| | Setting | E2 | |----------------------------+-------------------------------| | IRQ3 | Pins 1 & 2 closed | |----------------------------+-------------------------------| | IRQ4 | Pins 2 & 3 closed | |----------------------------+-------------------------------| | Disabled | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | PARALLEL PORT INTERRUPT SELECTION | |------------------------------------------------------------| | Setting | E4 | |----------------------------+-------------------------------| | IRQ5 | Pins 1 & 2 closed | |----------------------------+-------------------------------| | IRQ7 | Pins 2 & 3 closed | |----------------------------+-------------------------------| | Disabled | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | MISCELLANEOUS NOTES | |------------------------------------------------------------| | The banks on the AT Combo card must be completely | | populated before the daughterboard can be used. | | | | The daughterboard contains banks 3 through 5. | +------------------------------------------------------------+