PC WARE INTERNATIONAL, INC. =========================== MB-U498WB Processor UMC U5/80486SX/AM486DX/80486DX/CX486DX2(M7)/AM486DX2/ 80486DX2/SL80486DX2/AM486DX4/SL80486DX4/P24D/P24T/ CX5X86 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)/120(internal)MHz Chip Set OPTI Video Chip None Set Maximum 64MB Onboard Memory Maximum None Video Memory Cache 64/128/256/512/1024KB BIOS AMI Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+-------------------+----------| | External battery | JP1 | Reset switch | JP20 | |------------------+----------+-------------------+----------| | Power LED & | JP15 | Turbo switch | JP22 | | keylock | | | | |------------------+----------+-------------------+----------| | Speaker | JP18 | Green PC | JP23 | | | | connector | | |------------------+----------+-------------------+----------| | Turbo LED | JP19 | 32-bit VESA local | SL1 - | | | | bus slots | SL3 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |-------------------------------------+-------+--------------| | | Battery type select internal | JP1 | Closed | |---+---------------------------------+-------+--------------| | | Battery type select external | JP1 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| | | CMOS memory clear | JP1 | Pins 3 & 4 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | JP2 | Open | | | alter | | | |---+---------------------------------+-------+--------------| | | Flash BIOS voltage select 12v | JP3 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| | | Flash BIOS voltage select 5v | JP3 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | JP36 | Unidentified | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 1MB | (1) 256K x 36 | None | None | |------------+---------------+---------------+---------------| | 1MB | None | (1) 256K x 36 | None | |------------+---------------+---------------+---------------| | 2MB | (1) 256K x 36 | (1) 256K x 36 | None | |------------+---------------+---------------+---------------| | 2MB | None | (1) 256K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 3MB | (1) 256K x 36 | (1) 256K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 4MB | (1) 1M x 36 | None | None | |------------+---------------+---------------+---------------| | 4MB | None | (1) 1M x 36 | None | |------------+---------------+---------------+---------------| | 5MB | (1) 1M x 36 | (1) 256K x 36 | None | |------------+---------------+---------------+---------------| | 6MB | (1) 256K x 36 | (1) 256K x 36 | (1) 1M x 9 | |------------+---------------+---------------+---------------| | 6MB | (1) 1M x 36 | (1) 256K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 8MB | (1) 2M x 36 | None | None | |------------+---------------+---------------+---------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | |------------+---------------+---------------+---------------| | 9MB | (1) 2M x 36 | (1) 256K x 36 | None | |------------+---------------+---------------+---------------| | 9MB | (1) 1M x 36 | (1) 256K x 36 | (1) 1M x 9 | |------------+---------------+---------------+---------------| | 9MB | (1) 1M x 36 | (1) 1M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 12MB | (1) 2M x 36 | (1) 1M x 36 | None | |------------+---------------+---------------+---------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 9 | |------------+---------------+---------------+---------------| | 16MB | (1) 4M x 36 | None | None | |------------+---------------+---------------+---------------| | 16MB | None | (1) 4M x 36 | None | |------------+---------------+---------------+---------------| | 17MB | (1) 4M x 36 | (1) 256K x 36 | None | |------------+---------------+---------------+---------------| | 18MB | (1) 4M x 36 | (1) 256K x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 20MB | (1) 4M x 36 | (1) 1M x 36 | None | |------------+---------------+---------------+---------------| | 21MB | (1) 1M x 36 | (1) 256K x 36 | (1) 4M x 9 | |------------+---------------+---------------+---------------| | 21MB | (1) 4M x 36 | (1) 256K x 36 | (1) 1M x 9 | |------------+---------------+---------------+---------------| | 21MB | (1) 4M x 36 | (1) 1M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 24MB | (1) 2M x 36 | (1) 4M x 36 | None | |------------+---------------+---------------+---------------| | 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x 9 | |------------+---------------+---------------+---------------| | 25MB | (1) 4M x 36 | (1) 2M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 28MB | (1) 4M x 36 | (1) 2M x 36 | (1) 1M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 32MB | (1) 8M x 36 | None | None | |------------+---------------+---------------+---------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | None | |------------+---------------+---------------+---------------| | 33MB | (1) 8M x 36 | (1) 256K x 36 | None | |------------+---------------+---------------+---------------| | 33MB | (1) 4M x 36 | (1) 4M x 36 | (4) 256K x 9 | |------------+---------------+---------------+---------------| | 36MB | (1) 8M x 36 | (1) 1M x 36 | None | |------------+---------------+---------------+---------------| | 36MB | (1) 1M x 36 | (1) 8M x 36 | None | |------------+---------------+---------------+---------------| | 36MB | (1) 4M x 36 | (1) 1M x 36 | (1) 4M x 9 | |------------+---------------+---------------+---------------| | 36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x 9 | |------------+---------------+---------------+---------------| | 40MB | (1) 4M x 36 | (1) 2M x 36 | (1) 4M x 9 | |------------+---------------+---------------+---------------| | 48MB | (1) 8M x 36 | (1) 4M x 36 | None | |------------+---------------+---------------+---------------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 9 | |------------+---------------+---------------+---------------| | 52MB | (1) 4M x 36 | (1) 8M x 36 | (1) 1M x 9 | |------------+---------------+---------------+---------------| | 64MB | (1) 8M x 36 | (1) 8M x 36 | None | |------------+---------------+---------------+---------------| | 64MB | (1) 4M x 36 | (1) 8M x 36 | (1) 4M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |-------------+---------------+---------------+--------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | |-------------+---------------+---------------+--------------| | 128KB (A) | (1) 16K x 8 | (1) 16K x 8 | (1) 8K x 8 | |-------------+---------------+---------------+--------------| | 128KB (B) | (4) 32K x 8 | None | (1) 8K x 8 | |-------------+---------------+---------------+--------------| | 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | |-------------+---------------+---------------+--------------| | 256KB (B) | (4) 64K x 8 | None | (1) 32K x 8 | |-------------+---------------+---------------+--------------| | 512KB (A) | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 | |-------------+---------------+---------------+--------------| | 512KB (B) | (4) 128K x 8 | None | (1) 32K x 8 | |-------------+---------------+---------------+--------------| | 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 64K x 8 | |------------------------------------------------------------| | Note: The location of banks 0 & 1 are unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP5 | JP10 | JP11 | JP12 | JP13 | JP14 | |-------+--------+-------+--------+--------+--------+--------| | 64KB | 2 & 3 | 2 & 3 | Open | Open | Open | Open | |-------+--------+-------+--------+--------+--------+--------| | 128KB | 2 & 3 | 2 & 3 | Open | Open | Open | Closed | | (A) | | | | | | | |-------+--------+-------+--------+--------+--------+--------| | 128KB | 1 & 2 | 1 & 2 | Open | Open | Open | Closed | | (B) | | | | | | | |-------+--------+-------+--------+--------+--------+--------| | 256KB | 2 & 3 | 2 & 3 | Open | Open | Closed | Closed | | (A) | | | | | | | |-------+--------+-------+--------+--------+--------+--------| | 256KB | 1 & 2, | 1 & 2 | Open | Closed | Closed | Closed | | (B) | 3 & 4 | | | | | | |-------+--------+-------+--------+--------+--------+--------| | 512KB | 2 & 3, | 2 & 3 | Open | Closed | Closed | Closed | | (A) | 4 & 5 | | | | | | |-------+--------+-------+--------+--------+--------+--------| | 512KB | 1 & 2, | 1 & 2 | Open | Closed | Closed | Closed | | (B) | 3 & 4, | | | | | | | | 5 & 6 | | | | | | |-------+--------+-------+--------+--------+--------+--------| | 1MB | 2 & 3, | 2 & 3 | Closed | Closed | Closed | Closed | | | 4 & 5, | | | | | | | | 6 & 7 | | | | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | Speed | JP6 | JP7 | JP8 | |---------------+--------------+--------------+--------------| | 25MHz | Open | Open | Closed | |---------------+--------------+--------------+--------------| | 33MHz | Closed | Closed | Closed | |---------------+--------------+--------------+--------------| | 40MHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 50iMHz | Open | Open | Closed | |---------------+--------------+--------------+--------------| | 50MHz | Closed | Open | Open | |---------------+--------------+--------------+--------------| | 66iMHz | Closed | Closed | Closed | |---------------+--------------+--------------+--------------| | 75iMHz | Open | Open | Closed | |---------------+--------------+--------------+--------------| | 80iMHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 100iMHz | Closed | Closed | Closed | |---------------+--------------+--------------+--------------| | 120iMHz | Open | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP27 | JP28 | JP29 | |---------------+--------------+--------------+--------------| | UMC U5 | Open | 2 & 3 | 2 & 3 | |---------------+--------------+--------------+--------------| | 80486SX | Open | 2 & 3 | Open | |---------------+--------------+--------------+--------------| | AM486DX | Open | 2 & 3 | Open | |---------------+--------------+--------------+--------------| | 80486DX | Open | 2 & 3 | Open | |---------------+--------------+--------------+--------------| | CX486DX2 (M7) | 2 & 3 | 1 & 2, 3 & | 1 & 2, 3 & | | | | 4, 5 & 6 | 4, 5 & 6 | |---------------+--------------+--------------+--------------| | AM486DX2 | Open | 2 & 3 | Open | |---------------+--------------+--------------+--------------| | 80486DX2 | Open | 2 & 3 | Open | |---------------+--------------+--------------+--------------| | SL80486DX2 | 1 & 2, 3 & 4 | 1 & 2 | 1 & 2 | |---------------+--------------+--------------+--------------| | AM486DX4 | 1 & 2, 3 & 4 | 1 & 2, 4 & 5 | 1 & 2, 4 & 5 | |---------------+--------------+--------------+--------------| | SL80486DX4 | 1 & 2, 3 & 4 | 1 & 2 | 1 & 2 | |---------------+--------------+--------------+--------------| | P24D | 1 & 2, 3 & 4 | 1 & 2, 4 & 5 | 1 & 2, 4 & 5 | |---------------+--------------+--------------+--------------| | P24T | 1 & 2, 3 & 4 | 1 & 2 | 1 & 2 | |---------------+--------------+--------------+--------------| | CX5X86 | 1 & 2, 3 & 4 | 1 & 2, 4 & 5 | 1 & 2, 4 & 5 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION (CON'T) | |------------------------------------------------------------| | Type | JP30 | JP32 | JP33 | |----------------+---------------+-----------+---------------| | UMC U5 | 1 & 2 | 3 & 4 | 2 & 3 | |----------------+---------------+-----------+---------------| | 80486SX | Open | Open | 2 & 3 | |----------------+---------------+-----------+---------------| | AM486DX | Open | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | 80486DX | Open | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | CX486DX2 (M7) | 2 & 3, 4 & 5 | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | AM486DX2 | Open | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | 80486DX2 | Open | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | SL80486DX2 | 5 & 6 | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | AM486DX4 | 3 & 4, 5 & 6 | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | SL80486DX4 | 5 & 6 | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | P24D | 3 & 4, 5 & 6 | 1 & 2 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | P24T | 5 & 6 | 2 & 3 | 1 & 2, 3 & 4 | |----------------+---------------+-----------+---------------| | CX5X86 | 3 & 4, 5 & 6 | 1 & 2 | 1 & 2, 3 & 4 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU MULTIPLIER SELECTION (AMD) | |------------------------------------------------------------| | Multiplier | JP34 | |-------------------------------+----------------------------| | 2x | Closed | |-------------------------------+----------------------------| | 3x | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU MULTIPLIER SELECTION (INTEL) | |------------------------------------------------------------| | Multiplier | JP31 | |----------------------------+-------------------------------| | 2x | Pins 2 & 3 closed | |----------------------------+-------------------------------| | 2.5x | Pins 1 & 2 closed | |----------------------------+-------------------------------| | 3x | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | JP24 | JP25 | JP26 | JP35 | |---------+---------------+------------+------------+--------| | 3.3v | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed | | | closed | closed | closed | | |---------+---------------+------------+------------+--------| | 4v | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open | | | closed | closed | closed | | |---------+---------------+------------+------------+--------| | 5v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Open | | | closed | closed | closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL BUS WAIT STATE SELECTION | |------------------------------------------------------------| | Setting | JP17 | |-------------------------------+----------------------------| | 0 | Open | |-------------------------------+----------------------------| | 1 | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL-BUS SPEED SELECTION | |------------------------------------------------------------| | Setting | JP16 | |-------------------------------+----------------------------| | <= 33MHz | Open | |-------------------------------+----------------------------| | >33 MHz | Closed | +------------------------------------------------------------+