ABIT COMPUTER CORPORATION ========================= PT5 R2 PCI Processor CX6X86/AM K5/Pentium Processor 75/90/100/120/133/150/166/180/200MHz Speed Chip Set Intel Max. Onboard 128MB DRAM Cache 256/512KB BIOS Award Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connector NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Serial port 1 | CN1 | IDE interface | JP21 | | | | LED | | |-------------------+----------+------------------+----------| | Serial port 2 | CN2 | Speaker | JW1 | |-------------------+----------+------------------+----------| | Parallel port | CN3 | Reset switch | JW2 | |-------------------+----------+------------------+----------| | Floppy drive | CN4 | Turbo switch | JW3 | | interface | | | | |-------------------+----------+------------------+----------| | IDE interface 2 | CN5 | Power LED & | JW4 | | | | keylock | | |-------------------+----------+------------------+----------| | IDE interface 1 | CN6 | Turbo LED | JW5 | |-------------------+----------+------------------+----------| | PS/2 mouse port | CN7 | 32-bit PCI slots | PC1 - | | | | | PC3 | |-------------------+----------+------------------+----------| | IR connector | JP2 | Cache slot | SL1 | |-------------------+----------+------------------+----------| | Green PC | JP12 | | | | connector | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |---------------------------------------+---------+----------| |>> | Factory configured - do not alter | J1 | Open | |---+-----------------------------------+---------+----------| |>> | On board I/O enabled | JP4 | Open | |---+-----------------------------------+---------+----------| | | On board I/O disabled | JP4 | Closed | |---+-----------------------------------+---------+----------| |>> | Factory configured - do not alter | JP5 | Open | |---+-----------------------------------+---------+----------| |>> | CMOS memory normal operation | JP10 | Open | |---+-----------------------------------+---------+----------| | | CMOS memory clear | JP10 | Closed | |---+-----------------------------------+---------+----------| |>> | Factory configured - do not alter | JP16 | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 8MB | (2) 1M x 32 | NONE | |------------------+--------------------+--------------------| | 8MB | (2) 512K x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 10MB | (2) 1M x 32 | (2) 256K x 32 | |------------------+--------------------+--------------------| | 10MB | (2) 256K x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 12MB | (2) 1M x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 12MB | (2) 512K x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 16MB | (2) 2M x 32 | NONE | |------------------+--------------------+--------------------| | 16MB | (2) 1M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 18MB | (2) 2M x 32 | (2) 256K x 32 | |------------------+--------------------+--------------------| | 18MB | (2) 256K x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 20MB | (2) 2M x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 20MB | (2) 512K x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 24MB | (2) 2M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 24MB | (2) 1M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 32MB | (2) 4M x 32 | NONE | |------------------+--------------------+--------------------| | 32MB | (2) 2M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 34MB | (2) 4M x 32 | (2) 256K x 32 | |------------------+--------------------+--------------------| | 34MB | (2) 256K x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 36MB | (2) 4M x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 36MB | (2) 512K x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 40MB | (2) 4M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 40MB | (2) 1M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 48MB | (2) 4M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 48MB | (2) 2M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 64MB | (2) 8M x 32 | NONE | |------------------+--------------------+--------------------| | 64MB | (2) 4M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 66MB | (2) 8M x 32 | (2) 256K x 32 | |------------------+--------------------+--------------------| | 66MB | (2) 256K x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 68MB | (2) 8M x 32 | (2) 512K x 32 | |------------------+--------------------+--------------------| | 68MB | (2) 512K x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 72MB | (2) 8M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 72MB | (2) 1M x 32 | (2) 8M x 32 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 80MB | (2) 8M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 80MB | (2) 2M x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 96MB | (2) 8M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 96MB | (2) 4M x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 128MB | (2) 8M x 32 | (2) 8M x 32 | |------------------------------------------------------------| | Note: This board supports fast page and EDO DRAM. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | CA1 & CA2 | SL1 | |------------------+--------------------+--------------------| | 256KB | (2) 32K x 32 | Not installed | |------------------+--------------------+--------------------| | 512KB | (2) 32K x 32 | Installed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE SWITCH CONFIGURATION | |------------------------------------------------------------| | Size | DS/1 | |------------------------------+-----------------------------| | 256KB | Off | |------------------------------+-----------------------------| | 512KB | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | J2 | |-----------------------------+------------------------------| | Cyrix | Closed | |-----------------------------+------------------------------| | Intel | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION (CYRIX) | |------------------------------------------------------------| | Speed | DS/2 | DS/3 | DS/4 | DS/5 | DS/6 | |----------+---------+---------+---------+---------+---------| | 120MHz | Off | On | On | Off | Off | |----------+---------+---------+---------+---------+---------| | 133MHz | On | Off | Off | Off | Off | |----------+---------+---------+---------+---------+---------| | 150MHz | On | On | Off | Off | Off | |----------+---------+---------+---------+---------+---------| | 166MHz | On | Off | On | Off | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION (AMD) | |------------------------------------------------------------| | Speed | Ext clock | DS/2 | DS/3 | DS/4 | DS/5 | DS/6 | |--------+-----------+-------+-------+-------+-------+-------| | 75MHz | 50MHz | Off | On | On | Off | Off | |--------+-----------+-------+-------+-------+-------+-------| | 75MHz | 66MHz | On | Off | On | On | Off | |--------+-----------+-------+-------+-------+-------+-------| | 90MHz | 55MHz | On | Off | Off | Off | Off | |--------+-----------+-------+-------+-------+-------+-------| | 90MHz | 60MHz | On | On | Off | Off | Off | |--------+-----------+-------+-------+-------+-------+-------| | 100MHz | 66MHz | On | Off | On | Off | Off | |--------+-----------+-------+-------+-------+-------+-------| | 100MHz | 55MHz | On | Off | Off | Off | Off | |--------+-----------+-------+-------+-------+-------+-------| | 100MHz | 50MHz | Off | On | On | Off | Off | |--------+-----------+-------+-------+-------+-------+-------| | 120MHz | 60MHz | On | On | Off | Off | Off | |--------+-----------+-------+-------+-------+-------+-------| | 133MHz | 66MHz | On | Off | On | Off | Off | |--------+-----------+-------+-------+-------+-------+-------| | 150MHz | 60MHz | On | On | Off | On | Off | |--------+-----------+-------+-------+-------+-------+-------| | 166MHz | 66MHz | On | Off | On | On | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION (INTEL) | |------------------------------------------------------------| | Speed | DS/2 | DS/3 | DS/4 | DS/5 | DS/6 | |----------+---------+---------+---------+---------+---------| | 75MHz | Off | On | On | Off | Off | |----------+---------+---------+---------+---------+---------| | 90MHz | On | On | Off | Off | Off | |----------+---------+---------+---------+---------+---------| | 100MHz | On | Off | On | Off | Off | |----------+---------+---------+---------+---------+---------| | 120MHz | On | On | Off | On | Off | |----------+---------+---------+---------+---------+---------| | 133MHz | On | Off | On | On | Off | |----------+---------+---------+---------+---------+---------| | 150MHz | On | On | Off | On | On | |----------+---------+---------+---------+---------+---------| | 166MHz | On | Off | On | On | On | |----------+---------+---------+---------+---------+---------| | 180MHz | On | On | Off | Off | On | |----------+---------+---------+---------+---------+---------| | 200MHz | On | Off | On | Off | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JP20 | |----------------------------+-------------------------------| | | 3.3v | pins 3 & 6 closed | |---+------------------------+-------------------------------| |>> | 3.45v | pins 2 & 5 closed | |---+------------------------+-------------------------------| | | 3.6v | pins 1 & 4 closed | +------------------------------------------------------------+