CONCORD OFFICE AUTOMATION INDUSTRIAL (HK) LTD. ============================================== COA-921 Processor 80486SX/SL80486SX/UMC486DX/AM486DX/80486DX/SL80486DX/ CX486DX2/IBM486DX2/TI486DX2/UMC486DX2/AM486DX2/ 80486DX2/SL80486DX2/CX486DX4/IBM486DX4/AM486DX4/ (SL)AM486DX4/SL80486DX4/CXP24D/P24D/P24T/CX5X86 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)/ Speed 120(internal)MHz Chip Set UMC Video Chip None Set Maximum 256MB Onboard Memory Maximum None Video Memory Cache 64/128/256/512KB BIOS Unidentified Dimensions 254mm x 218mm I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, Options IDE interfaces (2), parallel port, serial ports (2) NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Floppy drive | CN1 | IDE interface | J29 | | interface | | LED | | |-------------------+----------+------------------+----------| | Parallel port | CN2 | Turbo switch | J30 | |-------------------+----------+------------------+----------| | Serial port | CN3 | Reset switch | J31 | |-------------------+----------+------------------+----------| | Serial port | CN4 | Turbo LED | J32 | |-------------------+----------+------------------+----------| | IDE interface 2 | CN5 | Speaker | J33 | |-------------------+----------+------------------+----------| | IDE interface 1 | CN6 | Power LED & | J34 | | | | keylock | | |-------------------+----------+------------------+----------| | External battery | J2 | 32-bit PCI slots | PC1 - | | | | | PC3 | |-------------------+----------+------------------+----------| | Green PC | J10 | | | | connector | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |-------------------------------------+-------+--------------| |>> | Factory configured - do not | J1 | Unidentified | | | alter | | | |---+---------------------------------+-------+--------------| | | Battery type select external | J2 | Closed | |---+---------------------------------+-------+--------------| | | Battery type select internal | J2 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| | | CMOS memory clear | J2 | Pins 3 & 4 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | J5 | Unidentified | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 1MB | (1) 256K x 36 | None | |------------------+--------------------+--------------------| | 4MB | (1) 1M x 36 | None | |------------------+--------------------+--------------------| | 8MB | (1) 2M x 36 | None | |------------------+--------------------+--------------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 12MB | (1) 2M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 16MB | (1) 4M x 36 | None | |------------------+--------------------+--------------------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | |------------------+--------------------+--------------------| | 20MB | (1) 4M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 24MB | (1) 4M x 36 | (1) 2M x 36 | |------------------+--------------------+--------------------| | 32MB | (1) 8M x 36 | None | |------------------+--------------------+--------------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | |------------------+--------------------+--------------------| | 36MB | (1) 8M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 40MB | (1) 8M x 36 | (1) 2M x 36 | |------------------+--------------------+--------------------| | 48MB | (1) 8M x 36 | (1) 4M x 36 | |------------------+--------------------+--------------------| | 64MB | (1) 16M x 36 | None | |------------------+--------------------+--------------------| | 64MB | (1) 8M x 36 | (1) 8M x 36 | |------------------+--------------------+--------------------| | 68MB | (1) 16M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 72MB | (1) 16M x 36 | (1) 2M x 36 | |------------------+--------------------+--------------------| | 80MB | (1) 16M x 36 | (1) 4M x 36 | |------------------+--------------------+--------------------| | 96MB | (1) 16M x 36 | (1) 8M x 36 | |------------------+--------------------+--------------------| | 128MB | (1) 32M x 36 | None | |------------------+--------------------+--------------------| | 128MB | (1) 16M x 36 | (1) 16M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 132MB | (1) 32M x 36 | (1) 1M x 36 | |------------------+--------------------+--------------------| | 136MB | (1) 32M x 36 | (1) 2M x 36 | |------------------+--------------------+--------------------| | 144MB | (1) 32M x 36 | (1) 4M x 36 | |------------------+--------------------+--------------------| | 160MB | (1) 32M x 36 | (1) 8M x 36 | |------------------+--------------------+--------------------| | 192MB | (1) 32M x 36 | (1) 16M x 36 | |------------------+--------------------+--------------------| | 256MB | (1) 64M x 36 | None | |------------------+--------------------+--------------------| | 256MB | (1) 32M x 36 | (1) 32M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG | |------------------+--------------------+--------------------| | 64KB | (4) 16K x 8 | Unidentified | |------------------+--------------------+--------------------| | 128KB | (4) 32K x 8 | Unidentified | |------------------+--------------------+--------------------| | 256KB | (4) 64K x 8 | Unidentified | |------------------+--------------------+--------------------| | 512KB | (4) 128K x 8 | Unidentified | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | Speed | J28 | |--------------------------+---------------------------------| | 25MHz | Pins 1 & 2 closed | |--------------------------+---------------------------------| | 33MHz | Pins 1 & 2, 3 & 4, 5 & 6 closed | |--------------------------+---------------------------------| | 40MHz | Pins 1 & 2, 3 & 4 closed | |--------------------------+---------------------------------| | 50iMHz | Pins 1 & 2 closed | |--------------------------+---------------------------------| | 50MHz | Pins 5 & 6 closed | |--------------------------+---------------------------------| | 66iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed | |--------------------------+---------------------------------| | 75iMHz | Pins 1 & 2 closed | |--------------------------+---------------------------------| | 80iMHz | Pins 1 & 2, 3 & 4 closed | |--------------------------+---------------------------------| | 100iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed | |--------------------------+---------------------------------| | 120iMHz | Pins 1 & 2, 3 & 4 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | J6 | J7 | J12 | J13 | J14 | J15 | |--------------+------+------+--------+------+-------+-------| | 80486SX | 1 & | 1 & | Open | 2 & | Open | Open | | | 2 | 2 | | 3 | | | |--------------+------+------+--------+------+-------+-------| | SL80486SX | 1 & | 1 & | 2 & 3, | 2 & | Open | Open | | | 2 | 2 | 4 & 5 | 3 | | | |--------------+------+------+--------+------+-------+-------| | UMC486DX | 1 & | 1 & | 2 & 3, | 1 & | Open | 3 & 4 | | | 2 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | AM486DX | 1 & | 2 & | Open | 1 & | Open | 3 & 4 | | | 2 | 3 | | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | 80486DX | 1 & | 1 & | Open | 1 & | Open | 3 & 4 | | | 2 | 2 | | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | SL80486DX | 1 & | 1 & | 2 & 3, | 1 & | Open | 3 & 4 | | | 2 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | CX486DX2 | 2 & | 1 & | 1 & 2, | 1 & | 2 & 3 | 3 & 4 | | | 3 | 2 | 3 & 4 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | IBM486DX2 | 2 & | 1 & | 1 & 2, | 1 & | 2 & 3 | 3 & 4 | | | 3 | 2 | 3 & 4 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | TI486DX2 | 2 & | 1 & | 1 & 2, | 1 & | 2 & 3 | 3 & 4 | | | 3 | 2 | 3 & 4 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | UMC486DX2 | 1 & | 1 & | 2 & 3, | 1 & | Open | 3 & 4 | | | 2 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | AM486DX2 | 1 & | 2 & | Open | 1 & | Open | 3 & 4 | | | 2 | 3 | | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | 80486DX2 | 1 & | 1 & | Open | 1 & | Open | 3 & 4 | | | 2 | 2 | | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | SL80486DX2 | 1 & | 1 & | 2 & 3, | 1 & | Open | 3 & 4 | | | 2 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | CX486DX4 | 2 & | 1 & | 1 & 2, | 1 & | 2 & 3 | 3 & 4 | | | 3 | 2 | 3 & 4 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | IBM486DX4 | 2 & | 1 & | 1 & 2, | 1 & | 2 & 3 | 3 & 4 | | | 3 | 2 | 3 & 4 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | AM486DX4 | 1 & | 2 & | Open | 1 & | Open | 3 & 4 | | | 2 | 3 | | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | (SL)AM486DX4 | 1 & | 1 & | 2 & 3, | 1 & | Open | 3 & 4 | | | 2 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | SL80486DX4 | 1 & | 1 & | 2 & 3, | 1 & | Open | 3 & 4 | | | 2 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | CXP24D | 2 & | 1 & | 2 & 3, | 1 & | Open | 3 & 4 | | | 3 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | P24D | 1 & | 1 & | 2 & 3, | 1 & | Open | 3 & 4 | | | 2 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | P24T | 1 & | 1 & | 2 & 3, | 1 & | 1 & 2 | 2 & 3 | | | 2 | 2 | 4 & 5 | 2, 3 | | | | | | | | & 4 | | | |--------------+------+------+--------+------+-------+-------| | CS5X86 | 1 & | 1 & | 1 & 2, | 2 & | Open | 3 & 4 | | | 2 | 2 | 3 & 4 | 3, 4 | | | | | | | | & 5 | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION (CON'T) | |------------------------------------------------------------| | Type | J16 | J17 | J18 | J19 | |---------------+---------------+---------+---------+--------| | 80486SX | 1 & 2 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | SL80486SX | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | UMC486DX | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | AM486DX | 1 & 2 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | 80486DX | 1 & 2 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | SL80486DX | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | CX486DX2 | 3 & 4 | 2 & 3 | 1 & 2 | 2 & 3 | |---------------+---------------+---------+---------+--------| | IBM486DX2 | 3 & 4 | 2 & 3 | 1 & 2 | 2 & 3 | |---------------+---------------+---------+---------+--------| | TI486DX2 | 3 & 4 | 2 & 3 | 1 & 2 | 2 & 3 | |---------------+---------------+---------+---------+--------| | UMC486DX2 | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | AM486DX2 | 1 & 2 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | 80486DX2 | 1 & 2 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | SL80486DX2 | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | CX486DX4 | 3 & 4 | 2 & 3 | 1 & 2 | Open | |---------------+---------------+---------+---------+--------| | IBM486DX4 | 3 & 4 | 2 & 3 | 1 & 2 | Open | |---------------+---------------+---------+---------+--------| | AM486DX4 | 1 & 2 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | (SL)AM486DX4 | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | SL80486DX4 | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | CXP24D | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | P24D | 3 & 4 | Open | Open | Open | |---------------+---------------+---------+---------+--------| | P24T | 3 & 4, 5 & 6 | 1 & 2 | 2 & 3 | Open | |---------------+---------------+---------+---------+--------| | CS5X86 | 3 & 4 | Open | Open | Open | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION (CON'T) | |------------------------------------------------------------| | Type | J20 | J21 | J22 | J23 | J24 | |---------------+---------+--------+--------+-------+--------| | 80486SX | Open | Open | Open | Open | Open | |---------------+---------+--------+--------+-------+--------| | SL80486SX | 1 & 2 | Open | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | UMC486DX | 1 & 2 | 2 & 3 | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | AM486DX | Open | Open | Open | Open | Open | |---------------+---------+--------+--------+-------+--------| | 80486DX | Open | Open | Open | Open | Open | |---------------+---------+--------+--------+-------+--------| | SL80486DX | 1 & 2 | 2 & 3 | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | CX486DX2 | 2 & 3 | Open | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | IBM486DX2 | 2 & 3 | Open | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | TI486DX2 | 2 & 3 | Open | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | UMC486DX2 | 1 & 2 | 2 & 3 | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | AM486DX2 | Open | Open | Open | Open | Open | |---------------+---------+--------+--------+-------+--------| | 80486DX2 | Open | Open | Open | Open | Open | |---------------+---------+--------+--------+-------+--------| | SL80486DX2 | 1 & 2 | 2 & 3 | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | CX486DX4 | 2 & 3 | Open | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | IBM486DX4 | 2 & 3 | Open | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | AM486DX4 | Open | Open | Open | Open | Open | |---------------+---------+--------+--------+-------+--------| | (SL)AM486DX4 | 1 & 2 | Open | 2 & 3 | 1 & 2 | Closed | |---------------+---------+--------+--------+-------+--------| | SL80486DX4 | 1 & 2 | Open | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | CXP24D | 1 & 2 | Open | 2 & 3 | 1 & 2 | Closed | |---------------+---------+--------+--------+-------+--------| | P24D | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | Closed | |---------------+---------+--------+--------+-------+--------| | P24T | 1 & 2 | 2 & 3 | Open | 1 & 2 | Open | |---------------+---------+--------+--------+-------+--------| | CS5X86 | 1 & 2 | Open | 2 & 3 | 1 & 2 | Closed | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION (CON'T) | |------------------------------------------------------------| | Type | J25 | J26 | J27 | J36 | |--------------+-----------+-----------+----------+----------| | 80486SX | Open | Open | Open | Closed | |--------------+-----------+-----------+----------+----------| | SL80486SX | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | UMC486DX | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | AM486DX | Open | Open | Open | Closed | |--------------+-----------+-----------+----------+----------| | 80486DX | Open | Open | Open | Closed | |--------------+-----------+-----------+----------+----------| | SL80486DX | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | CX486DX2 | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | IBM486DX2 | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | TI486DX2 | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | UMC486DX2 | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | AM486DX2 | Open | Open | Open | Closed | |--------------+-----------+-----------+----------+----------| | 80486DX2 | Open | Open | Open | Closed | |--------------+-----------+-----------+----------+----------| | SL80486DX2 | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | CX486DX4 | Open | Open | Closed | Open | |--------------+-----------+-----------+----------+----------| | IBM486DX4 | Open | Open | Closed | Open | |--------------+-----------+-----------+----------+----------| | AM486DX4 | Open | Open | Open | Closed | |--------------+-----------+-----------+----------+----------| | (SL)AM486DX4 | Closed | Closed | Open | Open | |--------------+-----------+-----------+----------+----------| | SL80486DX4 | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | CXP24D | Closed | Closed | Closed | Open | |--------------+-----------+-----------+----------+----------| | P24D | Closed | Closed | Open | Open | |--------------+-----------+-----------+----------+----------| | P24T | Open | Open | Open | Open | |--------------+-----------+-----------+----------+----------| | CS5X86 | Closed | Closed | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | J8 | J9 | J11 | J35 | |---------+---------------+------------+--------+------------| | 3.3v | Pins 2 & 3 | Pins 2 & 3 | Closed | Pins 2 & 3 | | | closed | closed | | closed | |---------+---------------+------------+--------+------------| | 4v | Pins 2 & 3 | Pins 2 & 3 | Open | Pins 2 & 3 | | | closed | closed | | closed | |---------+---------------+------------+--------+------------| | 5v | Pins 1 & 2 | Pins 1 & 2 | Closed | Pins 1 & 2 | | | closed | closed | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CHANNEL SELECTION | |------------------------------------------------------------| | Channel | J3 | J4 | |------------------+--------------------+--------------------| | 1 | Pins 1 & 2 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 3 | Pins 2 & 3 closed | Pins 2 & 3 closed | +------------------------------------------------------------+