GMX, INC. ========= ESA-MB Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor 33/66(internal)MHz Speed Chip Set National/INTEL Max. Onboard 256MB DRAM SRAM Cache 64/128 (optional on CPU card only) BIOS AMI (located on CPU card) Dimensions 307.34mm x 330.20mm I/O Options Floppy drive interface, IDE interface, parallel port, proprietary CPU card, serial port (2) NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------------+----------+----------------+----------| | 8-bit ISA slot | J9 | Serial port | P7 | | | | (COM2) | | |---------------------+----------+----------------+----------| | Proprietary CPU | J10 | Speaker | P10 | | card | | | | |---------------------+----------+----------------+----------| | Keyboard interface | P1 | Turbo Switch | P11 | |---------------------+----------+----------------+----------| | Floppy drive | P2 | Power LED & | P12 | | interface | | keylock | | |---------------------+----------+----------------+----------| | IDE interface | P3 | IDE interface | P13 | | | | LED | | |---------------------+----------+----------------+----------| | Auxiliary power | P4 | Reset switch | P14 | | connector | | | | |---------------------+----------+----------------+----------| | Parallel port | P5 | Lockable reset | P15 | | | | switch | | |---------------------+----------+----------------+----------| | Serial port (COM1) | P6 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |-----------------------------------+--------+---------------| |>> | IDE interface select IORDY at | JA-2 | pins 2 & 4 | | | pin 21 | | closed | |---+-------------------------------+--------+---------------| | | IDE interface select IORDY at | JA-2 | pins 4 & 6 | | | pin 27 | | closed | |---+-------------------------------+--------+---------------| |>> | Watchdog strobe select 1.8MHz | JA-4 | pins 5 & 6 | | | clock | | closed | |---+-------------------------------+--------+---------------| | | Watchdog strobe select host | JA-4 | pins 3 & 4 | | | address strobe | | closed | |---+-------------------------------+--------+---------------| | | Watchdog strobe select signal | JA-4 | pins 1 & 2 | | | watchdog | | closed | |---+-------------------------------+--------+---------------| |>> | IDE interface address latch | JA-5 | Closed | | | enabled at IDE pin 28 | | | |---+-------------------------------+--------+---------------| | | IDE interface address select | JA-5 | Open | | | spindle sync at IDE pin 28 | | | |---+-------------------------------+--------+---------------| |>> | ISA bus select 0 wait state | JA-7 | pins 1 & 3 | | | | | open | |---+-------------------------------+--------+---------------| | | ISA bus select 1 wait state | JA-7 | pins 1 & 3 | | | | | closed | |---+-------------------------------+--------+---------------| |>> | Posted memory write cycles | JA-7 | pins 2 & 4 | | | enabled | | closed | |---+-------------------------------+--------+---------------| | | Posted memory write cycles | JA-7 | pins 2 & 4 | | | disabled | | open | |---+-------------------------------+--------+---------------| |>> | Factory configured - do not | JA-8 & | N/A | | | alter | JA-9 | | |---+-------------------------------+--------+---------------| |>> | Keyboard buffer full | JA-10 | pins 2 & 3 | | | interrupts from keyboard | | closed | | | controller | | | |---+-------------------------------+--------+---------------| | | Keyboard buffer full | JA-10 | pins 1 & 2 | | | interrupts from 82351 at IRQ1 | | closed | |---+-------------------------------+--------+---------------| |>> | Address enable active on slot | JA-11 | pins 1 & 2 | | | 0 & slot 8 (J9) | | closed | |---+-------------------------------+--------+---------------| | | Address enable active on slot | JA-11 | pins 1 & 2 | | | 8 (J9) only | | open | |---+-------------------------------+--------+---------------| | | . Factory configured - do | JA-12 | N/A | | | not alter | | | |---+-------------------------------+--------+---------------| |>> | Factory configured - do not | JA-13 | N/A | | | alter | | | |---+-------------------------------+--------+---------------| |>> | Memory speed select speed 1 | JA-14 | pins 1 & 3 | | | | | closed | |---+-------------------------------+--------+---------------| | | Memory speed select speed 0 | JA-14 | pins 2 & 4 | | | | | closed | |---+-------------------------------+--------+---------------| |>> | CMOS memory normal operation | JA-15 | pins 2 & 3 | | | | | closed | |---+-------------------------------+--------+---------------| | | CMOS memory clear | JA-15 | pins 1 & 2 | | | | | closed | |---+-------------------------------+--------+---------------| | | Floppy drive select 2 drives | JA-17 | Open | |---+-------------------------------+--------+---------------| | | Floppy drive select 3 drives | JA-17 | pins 1 & 2, 3 | | | | | & 4 closed | |---+-------------------------------+--------+---------------| |>> | UART type 16550 | JA18 | pins 1 & 2 | | | | | closed | |---+-------------------------------+--------+---------------| | | UART type 16540 | JA18 | pins 2 & 3 | | | | | closed | |---+-------------------------------+--------+---------------| |>> | IDE interface select National | JA-19 | pins 1 & 2 | | | chipset | | closed | |---+-------------------------------+--------+---------------| | | IDE interface Intel chipset | JA-19 | pins 2 & 3 | | | | | closed | |---+-------------------------------+--------+---------------| |>> | Floppy drive select National | JA--20 | pins 1 & 2 | | | chipsey | | closed | |---+-------------------------------+--------+---------------| | | Floppy drive select Intel | JA-20 | pins 2 & 3 | | | chipset | | closed | |---+-------------------------------+--------+---------------| |>> | Keylock disabled | JA-21 | pins 2 & 3 | | | | | closed | |---+-------------------------------+--------+---------------| | | Keylock enabled | JA-21 | pins 1 & 2 | | | | | closed | |------------------------------------------------------------| | Note:SW1 & SW2 are software dependent. | +------------------------------------------------------------+ +----------------------------------------------------------------------------------+ | DRAM CONFIGURATION | |----------------------------------------------------------------------------------| | Size | Bank0 | Bank1 | Bank2 | Bank3 | Bank4 | Bank5 | Bank6 | Bank7 | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 1MB | 256K | NONE | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 2MB | 256K | 256K | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 2MB | 512K | NONE | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 3MB | 256K | 256K | 256K | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 4MB | 256K | 256K | 256K | 256K | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 4MB | 512K | 512K | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 4MB | 1M | NONE | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 5MB | 256K | 256K | 256K | 256K | 256K | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 6MB | 256K | 256K | 256K | 256K | 256K | 256K | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 6MB | 256K | 256K | 256K | 256K | 512K | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 6MB | 512K | 512K | 512K | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 7MB | 256K | 256K | 256K | 256K | 256K | 256K | 256K | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 8MB | 256K | 256K | 256K | 256K | 256K | 256K | 256K | 256K | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 8MB | 256K | 256K | 256K | 256K | 512K | 512K | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 8MB | 256K | 256K | 256K | 256K | 1M | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 8MB | 512K | 512K | 512K | 512K | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 8MB | 1M | 1M | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 8MB | 2M | NONE | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 9MB | 512K | 512K | 512K | 512K | 256K | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 10MB | 512K | 512K | 512K | 512K | 256K | 256K | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 10MB | 512K | 512K | 512K | 512K | 512K | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 11MB | 512K | 512K | 512K | 512K | 256K | 256K | 256K | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 12MB | 512K | 512K | 512K | 512K | 256K | 256K | 256K | 256K | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 12MB | 512K | 512K | 512K | 512K | 512K | 512K | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 12MB | 512K | 512K | 512K | 512K | 1M | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 12MB | 1M | 1M | 1M | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 14MB | 512K | 512K | 512K | 512K | 512K | 512K | 512K | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 16MB | 512K | 512K | 512K | 512K | 512K | 512K | 512K | 512K | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 16MB | 512K | 512K | 512K | 512K | 1M | 1M | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 16MB | 512K | 512K | 512K | 512K | 2M | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 16MB | 1M | 1M | 1M | 1M | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 16MB | 2M | 2M | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 16MB | 4M | NONE | NONE | NONE | NONE | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 17MB | 1M | 1M | 1M | 1M | 256K | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 18MB | 1M | 1M | 1M | 1M | 256K | 256K | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 18MB | 1M | 1M | 1M | 1M | 512K | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 19MB | 1M | 1M | 1M | 1M | 256K | 256K | 256K | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 20MB | 1M | 1M | 1M | 1M | 256K | 256K | 256K | 256K | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 20MB | 1M | 1M | 1M | 1M | 512K | 512K | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 20MB | 1M | 1M | 1M | 1M | 1M | NONE | NONE | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 22MB | 1M | 1M | 1M | 1M | 512K | 512K | 512K | NONE | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 24MB | 1M | 1M | 1M | 1M | 512K | 512K | 512K | 512K | |--------+---------+---------+--------+--------+--------+--------+--------+--------| | 24MB | 1M | 1M | 1M | 1M | 1M | 1M | NONE | NONE | |----------------------------------------------------------------------------------| | +---------------------------------------------------------------------------+| | | DRAM CONFIGURATION (CONTINUED) || | |---------------------------------------------------------------------------|| | | Size | Bank0 | Bank1 | Bank2 | Bank3 | Bank4 | Bank5 | Bank6 | Bank7 || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 24MB | 1M | 1M | 1M | 1M | 2M | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 24MB | 2M | 2M | 2M | NONE | NONE | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 28MB | 1M | 1M | 1M | 1M | 1M | 1M | 1M | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 32MB | 1M | 1M | 1M | 1M | 1M | 1M | 1M | 1M || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 32MB | 1M | 1M | 1M | 1M | 2M | 2M | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 32MB | 1M | 1M | 1M | 1M | 4M | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 32MB | 4M | 4M | NONE | NONE | NONE | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 32MB | 8M | NONE | NONE | NONE | NONE | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 32MB | 2M | 2M | 2M | 2M | NONE | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 33MB | 2M | 2M | 2M | 2M | 256K | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 34MB | 2M | 2M | 2M | 2M | 256K | 256K | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 34MB | 2M | 2M | 2M | 2M | 512K | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 35MB | 2M | 2M | 2M | 2M | 256K | 256K | 256K | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 36MB | 2M | 2M | 2M | 2M | 256K | 256K | 256K | 256K || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 36MB | 2M | 2M | 2M | 2M | 512K | 512K | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 36MB | 2M | 2M | 2M | 2M | 1M | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 38MB | 2M | 2M | 2M | 2M | 512K | 512K | 512K | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 40MB | 2M | 2M | 2M | 2M | 512K | 512K | 512K | 512K || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 40MB | 2M | 2M | 2M | 2M | 1M | 1M | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 40MB | 2M | 2M | 2M | 2M | 2M | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 44MB | 2M | 2M | 2M | 2M | 1M | 1M | 1M | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 48MB | 2M | 2M | 2M | 2M | 1M | 1M | 1M | 1M || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 48MB | 2M | 2M | 2M | 2M | 2M | 2M | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 48MB | 2M | 2M | 2M | 2M | 4M | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 48MB | 4M | 4M | 4M | NONE | NONE | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 56MB | 2M | 2M | 2M | 2M | 2M | 2M | 2M | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 64MB | 2M | 2M | 2M | 2M | 2M | 2M | 2M | 2M || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 64MB | 2M | 2M | 2M | 2M | 4M | 4M | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 64MB | 2M | 2M | 2M | 2M | 8M | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 64MB | 4M | 4M | 4M | 4M | NONE | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 64MB | 8M | 8M | NONE | NONE | NONE | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 65MB | 4M | 4M | 4M | 4M | 256K | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 66MB | 4M | 4M | 4M | 4M | 256K | 256K | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 66MB | 4M | 4M | 4M | 4M | 512K | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 67MB | 4M | 4M | 4M | 4M | 256K | 256K | 256K | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 68MB | 4M | 4M | 4M | 4M | 256K | 256K | 256K | 256K || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 68MB | 4M | 4M | 4M | 4M | 512K | 512K | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 68MB | 4M | 4M | 4M | 4M | 1M | NONE | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 70MB | 4M | 4M | 4M | 4M | 512K | 512K | 512K | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 72MB | 4M | 4M | 4M | 4M | 512K | 512K | 512K | 512K || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 72MB | 4M | 4M | 4M | 4M | 1M | 1M | NONE | NONE || | |-------+--------+--------+--------+--------+-------+-------+-------+-------|| | | 72MB | 4M | 4M | 4M | 4M | 2M | NONE | NONE | NONE || | |---------------------------------------------------------------------------|| | | +-----------------------------------------------------------------------+ || | | | DRAM CONFIGURATION (CONTINUED) | || | | |-----------------------------------------------------------------------| || | | | Size | Bank0 | Bank1 | Bank2 | Bank3 | Bank4 | Bank5 | Bank6 | Bank7 | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 80MB | 4M | 4M | 4M | 4M | 2M | 2M | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 80MB | 4M | 4M | 4M | 4M | 4M | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 88MB | 4M | 4M | 4M | 4M | 2M | 2M | 2M | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 96MB | 4M | 4M | 4M | 4M | 4M | 4M | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 96MB | 4M | 4M | 4M | 4M | 8M | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 96MB | 4M | 4M | 4M | 4M | 2M | 2M | 2M | 2M | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 96MB | 8M | 8M | 8M | NONE | NONE | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 128MB | 8M | 8M | 8M | 8M | NONE | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 128MB | 4M | 4M | 4M | 4M | 8M | 8M | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 129MB | 8M | 8M | 8M | 8M | 256K | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 130MB | 8M | 8M | 8M | 8M | 256K | 256K | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 130MB | 8M | 8M | 8M | 8M | 512K | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 131MB | 8M | 8M | 8M | 8M | 256K | 256K | 256K | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 132MB | 8M | 8M | 8M | 8M | 256K | 256K | 256K | 256K | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 132MB | 8M | 8M | 8M | 8M | 512K | 512K | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 132MB | 8M | 8M | 8M | 8M | 1M | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 134MB | 8M | 8M | 8M | 8M | 512K | 512K | 512K | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 136MB | 8M | 8M | 8M | 8M | 512K | 512K | 512K | 512K | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 136MB | 8M | 8M | 8M | 8M | 1M | 1M | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 136MB | 8M | 8M | 8M | 8M | 2M | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 140MB | 8M | 8M | 8M | 8M | 1M | 1M | 1M | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 144MB | 8M | 8M | 8M | 8M | 1M | 1M | 1M | 1M | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 144MB | 8M | 8M | 8M | 8M | 2M | 2M | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 144MB | 8M | 8M | 8M | 8M | 4M | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 152MB | 8M | 8M | 8M | 8M | 2M | 2M | 2M | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 160MB | 8M | 8M | 8M | 8M | 2M | 2M | 2M | 2M | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 160MB | 8M | 8M | 8M | 8M | 4M | 4M | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 160MB | 8M | 8M | 8M | 8M | 8M | NONE | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 176MB | 8M | 8M | 8M | 8M | 4M | 4M | 4M | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 192MB | 8M | 8M | 8M | 8M | 4M | 4M | 4M | 4M | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 192MB | 8M | 8M | 8M | 8M | 8M | 8M | NONE | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 224MB | 8M | 8M | 8M | 8M | 8M | 8M | 8M | NONE | || | | |-------+-------+-------+-------+-------+-------+-------+-------+-------| || | | | 256MB | 8M | 8M | 8M | 8M | 8M | 8M | 8M | 8M | || | | |-----------------------------------------------------------------------| || | | | Note: The 512K x 36, 2M x 36, and 8M x 36 SIMMs are double-sided | || | | | SIMMs. | || | | +-----------------------------------------------------------------------+ || | | || | | +-----------------------------------------------------------------------+ || | | | FLOPPY DRIVE 0 CONFIGURATION | || | | |-----------------------------------------------------------------------| || | | | A: | JA-1/pins 2 & 4 | || | | |----------------------------------+------------------------------------| || | | | 3.5" | Closed | || | | |----------------------------------+------------------------------------| || | | | 5.25" | Open | || | | +-----------------------------------------------------------------------+ || | | || | | +-----------------------------------------------------------------------+ || | | | FLOPPY DRIVE 1 CONFIGURATION | || | | |-----------------------------------------------------------------------| || | | | B: | JA-1/pins 1 & 3 | || | | |----------------------------------+------------------------------------| || | | | 3.5" | Closed | || | | |----------------------------------+------------------------------------| || | | | 5.25" | Open | || | | +-----------------------------------------------------------------------+ || | | || | | +-----------------------------------------------------------------------+ || | | | FLOPPY DRIVE POWER CONFIGURATION | || | | |-----------------------------------------------------------------------| || | | | Drive Type | RP3 | || | | |------------------------------------+----------------------------------| || | | | Normal 3.5" | 150 W | || | | |------------------------------------+----------------------------------| || | | | Low power 3.5" | 1K W | || | | +-----------------------------------------------------------------------+ || | | || | | +-----------------------------------------------------------------------+ || | | | IDE INTERFACE I/O READY SIGNAL CONFIGURATION | || | | |-----------------------------------------------------------------------| || | | | IORDY | JA-2/pins 2, 4, & 6 | || | | |-----------------------------------------+-----------------------------| || | | | At pin 21 of IDE interface | pins 2 & 4 closed | || | | |-----------------------------------------+-----------------------------| || | | | At pin 27 of IDE interface | pins 4 & 6 closed | || | | |-----------------------------------------------------------------------| || | | | Note:If the hard drive has the IORDY signal at at both pins then | || | | | either configuration will work. | || | | +-----------------------------------------------------------------------+ || | | || | | +-----------------------------------------------------------------------+ || | | | IDE INTERFACE DMA CONFIGURATION | || | | |-----------------------------------------------------------------------| || | | | DMA | JA-2/pins 1 & 2 | JA-2/pins 3 & 5 | JA-6 & JA-16 | || | | |------------+-------------------+-------------------+------------------| || | | | DMA6 | Closed | Closed | pins 1 & 2 | || | | | | | | closed | || | | |------------+-------------------+-------------------+------------------| || | | | Disabled | Open | Open | pins 2 & 3 | || | | | | | | closed | || | | |-----------------------------------------------------------------------| || | | | Note:If the drive supports DMA then the IORDY signal must be at pin | || | | | 27 of the IDE interface. | || | | +-----------------------------------------------------------------------+ || | | || | | +-----------------------------------------------------------------------+ || | | | WATCHDOG TIMER CONFIGURATION | || | | |-----------------------------------------------------------------------| || | | | Timeout Minimum | Timeout Typical | Timeout Maximum | JA-3 | || | | |-----------------+-----------------+-----------------+-----------------| || | | | 50ms | 150ms | 250ms | pins 1 & 2 | || | | | | | | closed | || | | |-----------------+-----------------+-----------------+-----------------| || | | | 250ms | 600ms | 1000ms | Open | || | | |-----------------+-----------------+-----------------+-----------------| || | | | 400ms | 1200ms | 2000ms | pins 2 & 3 | || | | | | | | closed | || | | +-----------------------------------------------------------------------+ || | | || | | || | | || | | +-----------------------------------------------------------------------+ || | | | CONNECTIONS | || | | |-----------------------------------------------------------------------| || | | | Purpose | Location | || | | |------------------------------------------------------+----------------| || | | | CPU cooling fan power +12VDC | P1 | || | | |------------------------------------------------------+----------------| || | | | Optional secondary cache module (64K or 128K) | U7 | || | | |-----------------------------------------------------------------------| || | | | Note:All DRAM banks must be populated on the motherboard before | || | | | any cache modules can be installed. | || | | +-----------------------------------------------------------------------+ || | | || | | +-----------------------------------------------------------------------+ || | | | USER CONFIGURABLE SETTINGS | || | | |-----------------------------------------------------------------------| || | | | Function | Jumper | Position | || | | |-------------------------------------------+--------+------------------| || | | |>> | Flash memory normal operation at | JA-1 | pins 2 & 3 | || | | | | address A16 | | closed | || | | |---+---------------------------------------+--------+------------------| || | | | | Flash memory inverted operation at | JA-1 | pins 1 & 2 open | || | | | | address A16 | | | || | | |---+---------------------------------------+--------+------------------| || | | |>> | Flash BIOS write protect enabled | JA-2 | pins 1 & 3, 2 & | || | | | | | | 4 closed | || | | |---+---------------------------------------+--------+------------------| || | | | | Flash BIOS write protect disabled | JA-2 | pins 1 & 3, 2 & | || | | | | | | 4 open | || | | +-----------------------------------------------------------------------+ || | | || | | +-----------------------------------------------------------------------+ || | | | CPU TYPE CONFIGURATION | || | | |-----------------------------------------------------------------------| || | | | Type | Speed | JA-3 | JA-4 | || | | |-------------+------------+-------------------+------------------------| || | | | 80486SX | 33MHz | pins 1 & 2 closed | pins 2 & 4 closed | || | | |-------------+------------+-------------------+------------------------| || | | | 80486DX/DX2 | 33/66i MHz | pins 1 & 2 closed | pins 1 & 2, 3 & 4 | || | | | | | | closed | || | | |-------------+------------+-------------------+------------------------| || | | | ODPR486DX | 33MHz | pins 1 & 2 closed | pins 1 & 2, 3 & 4 | || | | | | | | closed | || | | |-------------+------------+-------------------+------------------------| || | | | ODP486DX | 33MHz | pins 2 & 3 closed | pins 1 & 2, 3 & 4 | || | | | | | | closed | || | | |-----------------------------------------------------------------------| || | | | Note:ODPR486DX is pin compatible with the 80486DX/80486DX2 | || | | | processors. | || | | +-----------------------------------------------------------------------+ || | +---------------------------------------------------------------------------+| +----------------------------------------------------------------------------------+