GEMLIGHT COMPUTER, LTD. ======================= GMB-486SPS (VER. 1.03) Processor AM486/UMCU5SX/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/(SL)AM486DX2(WB)/(SL)AM486DX2(WT)/ 80486DX2/SL80486DX2/(SL)AM486DX4(WB)/(SL)AM486DX4(WT)/ AM486DX4/ 80486DX4/CXM1SC(WB)/CXM1SC(WT)/P24D/P24T Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)/120(internal)/133(internal)MHz Chip Set Unidentified Video Chip None Set Maximum 128MB Onboard Memory Maximum None Video Memory Cache 64/128/256/512/1024KB BIOS Award Dimensions 250mm x 220mm I/O 32-bit PCI slots (4), floppy drive interface, game interface, green PC connector, IDE interfaces (2), Options parallel port, serial ports (2) NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Reset switch | J1 | IDE interface 1 | J12 | |-------------------+----------+------------------+----------| | Turbo LED | J2 | IDE interface 2 | J13 | |-------------------+----------+------------------+----------| | Power LED & | J3 | Serial port 1 | J14 | | keylock | | | | |-------------------+----------+------------------+----------| | Speaker | J4 | Serial port 2 | J15 | |-------------------+----------+------------------+----------| | Turbo switch | J5 | Game interface | J16 | |-------------------+----------+------------------+----------| | Green PC | J6 | Parallel port | J17 | | connector | | | | |-------------------+----------+------------------+----------| | IDE interface LED | J7 | Floppy drive | J18 | | | | interface | | |-------------------+----------+------------------+----------| | External battery | J8 | 32-bit PCI slots | PC1 - | | | | | PC4 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |------------------------------------+-------+---------------| |>> | Turbo enabled | J5 | Pins 2 & 3 | | | | | closed | |---+--------------------------------+-------+---------------| | | Turbo disabled | J5 | Pins 1 & 2 | | | | | closed | |---+--------------------------------+-------+---------------| |>> | Monitor type select color | JP33 | Closed | |---+--------------------------------+-------+---------------| | | Monitor type select monochrome | JP33 | Open | |---+--------------------------------+-------+---------------| |>> | CMOS memory normal operation | JP38 | Pins 1 & 2 | | | | | closed | |---+--------------------------------+-------+---------------| | | CMOS memory clear | JP38 | Pins 2 & 3 | | | | | closed | |---+--------------------------------+-------+---------------| |>> | Parallel port IRQ select IRQ7 | JP51 | Pins 1 & 2 | | | | | closed | |---+--------------------------------+-------+---------------| | | Parallel port IRQ select IRQ5 | JP51 | Pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+---------------+-------------+------------+----------| | 1MB | (1) 256K x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 2MB | (1) 256K x 36 | (1) 256K x | None | None | | | | 36 | | | |------+---------------+-------------+------------+----------| | 2MB | (1) 512K x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 4MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | None | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 4MB | (1) 512K x 36 | (1) 512K x | None | None | | | | 36 | | | |------+---------------+-------------+------------+----------| | 4MB | (1) 1M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 5MB | (1) 256K x 36 | (1) 1M x 36 | None | None | |------+---------------+-------------+------------+----------| | 6MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | None | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 6MB | (1) 512K x 36 | (1) 1M x 36 | None | None | |------+---------------+-------------+------------+----------| | 8MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 8MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | None | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None | |------+---------------+-------------+------------+----------| | 8MB | (1) 2M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 10MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 12MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 12MB | (1) 1M x 36 | (1) 2M x 36 | None | None | |------+---------------+-------------+------------+----------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+---------------+-------------+------------+----------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None | |------+---------------+-------------+------------+----------| | 16MB | (1) 4M x 36 | None | None | None | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 16MB | (1) 4M x 36 | None | None | None | |-------+-------------+------------+------------+------------| | 17MB | (1) 256K x | (1) 4M x | None | None | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 18MB | (1) 256K x | (1) 256K x | (1) 4M x | None | | | 36 | 36 | 36 | | |-------+-------------+------------+------------+------------| | 18MB | (1) 512K x | (1) 4M x | None | None | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 20MB | (1) 512K x | (1) 512K x | (1) 4M x | None | | | 36 | 36 | 36 | | |-------+-------------+------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 4M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 24MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 24MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 24MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 4M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 28MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 32MB | (1) 8M x 36 | None | None | None | |-------+-------------+------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 36MB | (1) 1M x 36 | (1) 8M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 40MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 40MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 8M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 48MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 64MB | (1) 16M x | None | None | None | | | 36 | | | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 65MB | (1) 256K x | (1) 16M x | None | None | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 68MB | (1) 1M x 36 | (1) 16M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 72MB | (1) 1M x 36 | (1) 1M x | (1) 16M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 80MB | (1) 4M x 36 | (1) 16M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 96MB | (1) 4M x 36 | (1) 4M x | (1) 16M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 128MB | (1) 16M x | (1) 16M x | None | None | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |------------+---------------+---------------+---------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | Unidentified | |------------+---------------+---------------+---------------| | 128KB | (4) 32K x 8 | None | Unidentified | |------------+---------------+---------------+---------------| | 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | Unidentified | |------------+---------------+---------------+---------------| | 256KB (B) | (4) 64K x 8 | None | Unidentified | |------------+---------------+---------------+---------------| | 512KB (A) | (4) 64K x 8 | (4) 64K x 8 | Unidentified | |------------+---------------+---------------+---------------| | 512KB (B) | (4) 128K x 8 | None | Unidentified | |------------+---------------+---------------+---------------| | 1MB | (4) 128K x 8 | (4) 128K x 8 | Unidentified | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP19 | JP24 | JP25 | JP26 | |-------------+----------+---------+---------+---------------| | 64KB | 1 & 2 | 1 & 2 | Open | Open | |-------------+----------+---------+---------+---------------| | 128KB | 1 & 2 | 2 & 3 | Open | 1 & 2 | |-------------+----------+---------+---------+---------------| | 256KB (A) | 1 & 2 | 2 & 3 | Open | 2 & 3 | |-------------+----------+---------+---------+---------------| | 256KB (B) | 1 & 2 | 2 & 3 | Open | 1 & 2, 3 & 4 | |-------------+----------+---------+---------+---------------| | 512KB (A) | 2 & 3 | 2 & 3 | Open | 2 & 3, 4 & 5 | |-------------+----------+---------+---------+---------------| | 512KB (B) | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2, 4 & 5 | |-------------+----------+---------+---------+---------------| | 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TAG JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP20 | JP21 | JP22 | JP27 | |-----------+------------+-----------+-----------+-----------| | 64KB | Pins 1 & 2 | Pins 2 & | Pins 1 & | Pins 2 & | | | closed | 3 closed | 2 closed | 3 closed | |-----------+------------+-----------+-----------+-----------| | 128KB | Pins 2 & 3 | Pins 1 & | Pins 1 & | Pins 2 & | | | closed | 2 closed | 2 closed | 3 closed | |-----------+------------+-----------+-----------+-----------| | 256KB (A) | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 2 & | | | closed | 3 closed | 3 closed | 3 closed | |-----------+------------+-----------+-----------+-----------| | 256KB (B) | Pins 2 & 3 | Pins 1 & | Pins 2 & | Pins 2 & | | | closed | 2 closed | 3 closed | 3 closed | |-----------+------------+-----------+-----------+-----------| | 512KB (A) | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 2 & | | | closed | 3 closed | 3 closed | 3 closed | |-----------+------------+-----------+-----------+-----------| | 512KB (B) | Pins 2 & 3 | Pins 1 & | Pins 2 & | Pins 1 & | | | closed | 2 closed | 3 closed | 2 closed | |-----------+------------+-----------+-----------+-----------| | 1MB | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 1 & | | | closed | 3 closed | 3 closed | 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | Speed | JP3 | JP18 | S1 | S2 | S3 | |----------+---------+---------+---------+---------+---------| | 20MHz | 1 & 2 | 1 & 2 | Open | Open | Open | |----------+---------+---------+---------+---------+---------| | 25MHz | 1 & 2 | 1 & 2 | Closed | Open | Open | |----------+---------+---------+---------+---------+---------| | 33MHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed | |----------+---------+---------+---------+---------+---------| | 40MHz | 1 & 2 | 1 & 2 | Closed | Closed | Open | |----------+---------+---------+---------+---------+---------| | 50iMHz | 1 & 2 | 1 & 2 | Closed | Open | Open | |----------+---------+---------+---------+---------+---------| | 50MHz | 2 & 3 | 1 & 2 | Open | Open | Closed | |----------+---------+---------+---------+---------+---------| | 66iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed | |----------+---------+---------+---------+---------+---------| | 75iMHz | 1 & 2 | 1 & 2 | Closed | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (CON'T) | |------------------------------------------------------------| | Speed | JP3 | JP18 | S1 | S2 | S3 | |----------+---------+---------+----------+---------+--------| | 80iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Open | |----------+---------+---------+----------+---------+--------| | 83iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed | |----------+---------+---------+----------+---------+--------| | 100iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed | |----------+---------+---------+----------+---------+--------| | 120iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Open | |----------+---------+---------+----------+---------+--------| | 133iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP4 | JP5 | JP6 | JP7 | JP8 | |-------------------+-------+--------+-------+-------+-------| | AM486 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |-------------------+-------+--------+-------+-------+-------| | UMC U5SX | Open | Open | 2 & 3 | Open | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | 80486SX | Open | Open | Open | Open | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | SL80486SX | Open | Open | 1 & 2 | Open | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | CX486DX | Open | Open | 1 & 2 | 2 & 3 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | AM486DX | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | 80486DX | Open | Open | Open | Open | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | CX486DX2 | Open | Open | 1 & 2 | 2 & 3 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | AM486DX2 | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | (SL)AM486DX2 (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | (SL)AM486DX2 (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | 80486DX2 | Open | Open | Open | Open | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | SL80486DX2 | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | (SL)AM486DX4 (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | (SL)AM486DX4 (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | AM486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | 80486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | CX M1SC (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |-------------------+-------+--------+-------+-------+-------| | CX M1SC (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | |-------------------+-------+--------+-------+-------+-------| | P24D | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 | |-------------------+-------+--------+-------+-------+-------| | P24T | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION (CON'T) | |------------------------------------------------------------| | Type | JP9 | JP11 | JP12 | JP13 | |--------------+-----------+-----------+----------+----------| | AM486 | Pins 2 & | Pins 1 & | Pins 2 & | Pins 4 & | | | 3 closed | 2 closed | 3 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | UMC U5SX | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | 80486SX | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | SL80486SX | Pins 2 & | Open | Pins 1 & | Pins 4 & | | | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | CX486DX | Pins 1 & | Open | Open | Pins 2 & | | | 2 closed | | | 3 closed | |--------------+-----------+-----------+----------+----------| | AM486DX | Pins 2 & | Open | Pins 1 & | Pins 4 & | | | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | 80486DX | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | CX486DX2 | Pins 1 & | Open | Open | Pins 2 & | | | 2 closed | | | 3 closed | |--------------+-----------+-----------+----------+----------| | AM486DX2 | Pins 2 & | Open | Pins 1 & | Pins 4 & | | | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | (SL)AM486DX2 | Pins 2 & | Open | Pins 1 & | Pins 4 & | | (WB) | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | (SL)AM486DX2 | Pins 2 & | Open | Pins 1 & | Pins 4 & | | (WT) | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | 80486DX2 | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | SL80486DX2 | Pins 2 & | Open | Pins 1 & | Pins 4 & | | | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | (SL)AM486DX4 | Pins 2 & | Open | Pins 1 & | Pins 4 & | | (WB) | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | (SL)AM486DX4 | Pins 2 & | Open | Pins 1 & | Pins 4 & | | (WT) | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | AM486DX4 | Pins 2 & | Open | Pins 1 & | Pins 4 & | | | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | 80486DX4 | Pins 2 & | Open | Pins 1 & | Pins 4 & | | | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | CX M1SC (WB) | Pins 2 & | Pins 1 & | Pins 2 & | Pins 4 & | | | 3 closed | 2 closed | 3 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | CX M1SC (WT) | Pins 2 & | Pins 1 & | Pins 2 & | Pins 4 & | | | 3 closed | 2 closed | 3 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | P24D | Pins 2 & | Open | Pins 1 & | Pins 4 & | | | 3 closed | | 2 closed | 5 closed | |--------------+-----------+-----------+----------+----------| | P24T | Pins 2 & | Open | Open | Pins 1 & | | | 3 closed | | | 2 closed | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION (CON'T) | |------------------------------------------------------------| | Type | JP14 | JP15 | JP16 | JP17 | |-----------------+------------+----------+----------+-------| | AM486 | 1 & 2, 3 & | 3 & 4 | 1 & 2, 3 | Open | | | 4 | | & 4 | | |-----------------+------------+----------+----------+-------| | UMC U5SX | 1 & 2, 3 & | 1 & 2, 3 | Open | 3 & 4 | | | 4 | & 4 | | | |-----------------+------------+----------+----------+-------| | 80486SX | 2 & 3 | Open | Open | Open | |-----------------+------------+----------+----------+-------| | SL80486SX | 2 & 3 | Open | 3 & 4 | Open | |-----------------+------------+----------+----------+-------| | CX486DX | 1 & 2, 3 & | 3 & 4 | 2 & 3 | 2 & 3 | | | 4 | | | | |-----------------+------------+----------+----------+-------| | AM486DX | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | 80486DX | 1 & 2, 3 & | 3 & 4 | Open | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | CX486DX2 | 1 & 2, 3 & | 3 & 4 | 2 & 3 | 2 & 3 | | | 4 | | | | |-----------------+------------+----------+----------+-------| | AM486DX2 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | (SL)AM486DX2 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | (WB) | 4 | | | | |-----------------+------------+----------+----------+-------| | (SL)AM486DX2 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | (WT) | 4 | | | | |-----------------+------------+----------+----------+-------| | 80486DX2 | 1 & 2, 3 & | 3 & 4 | Open | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | SL80486DX2 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | (SL)AM486DX4 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | (WB) | 4 | | | | |-----------------+------------+----------+----------+-------| | (SL)AM486DX4 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | (WT) | 4 | | | | |-----------------+------------+----------+----------+-------| | AM486DX4 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | 80486DX4 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | CX M1SC (WB) | 1 & 2, 3 & | 3 & 4 | 1 & 2 | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | CX M1SC (WT) | 1 & 2, 3 & | 3 & 4 | 1 & 2 | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | P24D | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open | | | 4 | | | | |-----------------+------------+----------+----------+-------| | P24T | 1 & 2, 3 & | 2 & 3 | 3 & 4 | 1 & 2 | | | 4 | | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU MULTIPLIER SELECTION (DX4 ONLY) | |------------------------------------------------------------| | Multiplier | JP10 | |----------------------------+-------------------------------| | 2x | Pins 2 & 3 closed | |----------------------------+-------------------------------| | 3x | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | S4 | S5 | S6 | |---------+----------------+----------------+----------------| | 3.3v | Pins 1 & 2 | Open | Open | | | closed | | | |---------+----------------+----------------+----------------| | 3.45v | Open | Pins 1 & 2 | Open | | | | closed | | |---------+----------------+----------------+----------------| | 3.6v | Open | Open | Pins 1 & 2 | | | | | closed | |---------+----------------+----------------+----------------| | 4v | Open | Open | Open | |---------+----------------+----------------+----------------| | 5v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CHANNEL SELECTION | |------------------------------------------------------------| | Channel | JP36 | JP37 | JP52 | JP53 | |-------------+-----------+-----------+-----------+----------| |>> | Printer | Open | Open | Pins 1 & | Pins 1 & | | | | | | 2 closed | 2 closed | |---+---------+-----------+-----------+-----------+----------| | | 1 | Pins 1 & | Pins 1 & | Pins 1 & | Pins 1 & | | | | 3 closed | 3 closed | 2 closed | 2 closed | |---+---------+-----------+-----------+-----------+----------| | | 3 | Pins 2 & | Pins 2 & | Pins 1 & | Pins 1 & | | | | 4 closed | 4 closed | 2 closed | 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLASH BIOS SELECTION | |------------------------------------------------------------| | Setting | JP34 | JP35 | |------------------+--------------------+--------------------| |>> | EPROM | Pins 2 & 3 closed | Pins 2 & 3 closed | |---+--------------+--------------------+--------------------| | | 5v flash | Pins 2 & 3 closed | Pins 1 & 2 closed | |---+--------------+--------------------+--------------------| | | 12v flash | Pins 1 & 2 closed | Pins 1 & 2 closed | +------------------------------------------------------------+