ATC/UNITRON COMPUTER & COMPUTER PARTS ===================================== U 6983 Processor Pentium Processor 75/90/100/120/133/150MHz Speed Chip Set Unidentified Max. Onboard 256MB DRAM Cache 256/512/1024KB BIOS Award Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-----------------+----------+--------------------+----------| | Turbo LED | J1 | Parallel port | J12 | |-----------------+----------+--------------------+----------| | Turbo switch | J2 | Serial port 2 | J13 | |-----------------+----------+--------------------+----------| | Reset switch | J3 | IDE interface LED | J14 | | | | 2 | | |-----------------+----------+--------------------+----------| | Speaker | J4 | IDE interface LED | J15 | | | | 1 | | |-----------------+----------+--------------------+----------| | Power LED & | J5 | IR connector | JP32 | | keylock | | | | |-----------------+----------+--------------------+----------| | Green PC | J6 | PS/2 mouse | MS2 | | connector | | interface | | | | | (optional) | | |-----------------+----------+--------------------+----------| | IDE interface 2 | J7 | 32-bit PCI slots | PC1 - | | | | | PC4 | |-----------------+----------+--------------------+----------| | IDE interface 1 | J8 | Chassis fan power | PS1 | |-----------------+----------+--------------------+----------| | Serial port 1 | J10 | Cache slot | SL1 | |-----------------+----------+--------------------+----------| | Floppy drive | J11 | | | | interface | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | CMOS memory normal operation | JP5 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | JP5 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP8 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP10 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | BIOS type select EPROM | JP13 | Open | |---+----------------------------------+--------+------------| | | BIOS type select 5v flash | JP13 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | BIOS type select 12v flash | JP13 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP19 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP22 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP23 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP30 | N/A | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0/0A | Bank 1 | |------------------+--------------------+--------------------| | 1MB* | (1) 256K x 36 | NONE | |------------------+--------------------+--------------------| | 2MB* | (1) 512K x 36 | NONE | |------------------+--------------------+--------------------| | 4MB* | (1) 1M x 36 | NONE | |------------------+--------------------+--------------------| | 8MB* | (1) 2M x 36 | NONE | |------------------+--------------------+--------------------| | 16MB* | (1) 4M x 36 | NONE | |------------------+--------------------+--------------------| | 32MB* | (1) 8M x 36 | NONE | |------------------+--------------------+--------------------| | 64MB* | (1) 16M x 36 | NONE | |------------------+--------------------+--------------------| | 2MB | (2) 256K x 36 | NONE | |------------------+--------------------+--------------------| | 4MB | (2) 512K x 36 | NONE | |------------------+--------------------+--------------------| | 4MB | (2) 256K x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 6MB | (2) 512K x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 6MB | (2) 256K x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 8MB | (2) 1M x 36 | NONE | |------------------+--------------------+--------------------| | 8MB | (2) 512K x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 10MB | (2) 1M x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 10MB | (2) 256K x 36 | (2) 1M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0/0A | Bank 1 | |------------------+--------------------+--------------------| | 12MB | (2) 1M x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 12MB | (2) 512K x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 16MB | (2) 2M x 36 | NONE | |------------------+--------------------+--------------------| | 16MB | (2) 1M x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 18MB | (2) 2M x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 18MB | (2) 256K x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 20MB | (2) 2M x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 20MB | (2) 512K x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 24MB | (2) 2M x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 24MB | (2) 1M x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 32MB | (2) 4M x 36 | NONE | |------------------+--------------------+--------------------| | 32MB | (2) 2M x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 34MB | (2) 4M x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 34MB | (2) 256K x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 36MB | (2) 4M x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 36MB | (2) 512K x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 40MB | (2) 4M x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 40MB | (2) 1M x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 48MB | (2) 4M x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 48MB | (2) 2M x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 64MB | (2) 8M x 36 | NONE | |------------------+--------------------+--------------------| | 64MB | (2) 4M x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 66MB | (2) 8M x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 66MB | (2) 256K x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 68MB | (2) 8M x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 68MB | (2) 512K x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 72MB | (2) 8M x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 72MB | (2) 1M x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 80MB | (2) 8M x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 80MB | (2) 2M x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 96MB | (2) 8M x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 96MB | (2) 4M x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 128MB | (2) 8M x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 128MB | (2) 16M x 36 | NONE | |------------------+--------------------+--------------------| | 130MB | (2) 16M x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 132MB | (2) 16M x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 136MB | (2) 16M x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 144MB | (2) 16M x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 160MB | (2) 16M x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 192MB | (2) 16M x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 256MB | (2) 16M x 36 | (2) 16M x 36 | |------------------------------------------------------------| | Note: Sizes with an * present use only Bank 0A. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG | SL1 | |-------------+---------------+--------------+---------------| | 256KB (A) | (8) 32K x 8 | (1) 16K x 8 | Not installed | |-------------+---------------+--------------+---------------| | 256KB (B) | NONE | NONE | Installed | |-------------+---------------+--------------+---------------| | 512KB (A) | (8) 64K x 8 | (1) 16K x 8 | Not installed | |-------------+---------------+--------------+---------------| | 512KB (B) | NONE | NONE | Installed | |-------------+---------------+--------------+---------------| | 1MB | (8) 128K x 8 | (1) 32K x 8 | Not installed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP8 | JP10 | |------------+--------------------------+--------------------| | 256KB | pins 1 & 2 closed | pins 2 & 3 closed | |------------+--------------------------+--------------------| | 512KB | pins 1 & 2, 3 & 4 closed | Open | |------------+--------------------------+--------------------| | 1MB | pins 2 & 3 closed | pins 1 & 2 closed | |------------------------------------------------------------| | Note: If SL1 is used, these jumpers are ignored. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP16 | |----------------------------+-------------------------------| | 75MHz | Open | |----------------------------+-------------------------------| | 90MHz | pins 1 & 2 closed | |----------------------------+-------------------------------| | 100MHz | pins 1 & 2, 3 & 4 closed | |----------------------------+-------------------------------| | 120MHz | pins 1 & 2 closed | |----------------------------+-------------------------------| | 133MHz | pins 1 & 2, 3 & 4 closed | |----------------------------+-------------------------------| | 150MHz | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP9 | JP12 | |-------------------+--------------------+-------------------| | 1.5x | Open | Open | |-------------------+--------------------+-------------------| | 2x | Closed | Open | |-------------------+--------------------+-------------------| | 2.5x | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JP17 | |----------------------------+-------------------------------| |>> | 3.3v | pins 1 & 2 closed | |---+------------------------+-------------------------------| |>> | 3.4v | pins 2 & 3 closed | |---+------------------------+-------------------------------| |>> | 3.55v | pins 4 & 5 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CONFIGURATION | |------------------------------------------------------------| | DMA | JP29 | |----------------------------+-------------------------------| | DMA 1 | pins 1 & 3, 2 & 4 closed | |----------------------------+-------------------------------| | DMA 3 | pins 3 & 5, 4 & 6 closed | +------------------------------------------------------------+