PACKARD BELL ============ PB410 & PB420/420T (REVISION B) Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor 20/25/33/40/50(internal)/66(internal)MHz Speed Chip Set ACC Max. onboard 36MB DRAM SRAM Cache 32/128/512KB BIOS Phoenix Dimensions 330mm x 240mm I/O Options Fax/modem daughterboard, floppy drive interface, game port, IDE interface, multi-function connector (IDE interface LED, reset, keylock, turbo switch, turbo-LED, non-turbo LED), parallel port, PS/2 keyboard port, PS/2 mouse port, serial port, VGA port, video feature connector NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------+----------+----------------------+----------| | PS/2 keyboard | J1 | Floppy drive | J19 | | | | interface | | |---------------+----------+----------------------+----------| | PS/2 mouse | J2 | Proprietary | J21 | | | | fax/modem | | | | | daughterboard | | |---------------+----------+----------------------+----------| | VGA port | J3 | External battery | J28 | |---------------+----------+----------------------+----------| | Game port | J4 | External fan power | J35 | | | | (+12V DC) | | |---------------+----------+----------------------+----------| | Parallel port | J5 | Multi-function | J36 | | | | connector | | |---------------+----------+----------------------+----------| | Serial port | J6 | Keylock | J37 | |---------------+----------+----------------------+----------| | Video feature | J10 | Speaker | J38 | | connector | | | | |---------------+----------+----------------------+----------| | Audio | J14 | Riser card | S1 | | interface | | | | | connector | | | | | (unused) | | | | |---------------+----------+----------------------+----------| | IDE interface | J18 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper/Switch | Position | |-------------------------------+---------------+------------| |>> | Onboard Game port | J15 | Closed | | | enabled | | | |----+--------------------------+---------------+------------| | | Onboard Game port | J15 | Open | | | disabled | | | |----+--------------------------+---------------+------------| |>> | PS/2 mouse port enabled | J27 | Closed | | | (IRQ12) | | | |----+--------------------------+---------------+------------| | | PS/2 mouse port disabled | J27 | Open | |----+--------------------------+---------------+------------| |>> | Monitor type select | J12 | Closed | | | color | | | |----+--------------------------+---------------+------------| | | Monitor type select | J12 | Open | | | monochrome | | | |----+--------------------------+---------------+------------| |>> | Onboard I/O ports | J16 | Closed | | | enabled | | | |----+--------------------------+---------------+------------| | | Onboard I/O ports | J16 | Open | | | disabled | | | |----+--------------------------+---------------+------------| |>> | Hard drive boot from DOS | J17 | pins 2 & 3 | | | boot block | | closed | |----+--------------------------+---------------+------------| | | Hard drive boot from | J17 | pins 1 & 2 | | | custom boot block | | closed | |----+--------------------------+---------------+------------| |>> | Flash BIOS write protect | J20 | Open | | | enabled | | | |----+--------------------------+---------------+------------| | | Flash BIOS write protect | J20 | Closed | | | disabled | | | |----+--------------------------+---------------+------------| |>> | Onboard battery enabled | J24 | Closed | |----+--------------------------+---------------+------------| | | Onboard battery disabled | J24 | Open | |----+--------------------------+---------------+------------| |>> | Speaker select internal | J39 | pins 1 & 2 | | | | | closed | |----+--------------------------+---------------+------------| | | Speaker select external | J39 | pins 2 & 3 | | | | | closed | |------------------------------------------------------------| | Note: Parallel port, serial port, floppy drive interface, | | and IDE interface are configured through the BIOS setup | | options. J20 is only a trace, and has not been implemented | | in any production models of the board. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (NO MEMORY SOLDERED TO BOARD) | |------------------------------------------------------------| | Size | Bank 0 | |----------------------------+-------------------------------| | 2MB | (1) 512K x 36 | |----------------------------+-------------------------------| | 4MB | (1) 1M x 36 | |----------------------------+-------------------------------| | 8MB | (1) 2M x 36 | |----------------------------+-------------------------------| | 16MB | (1) 4M x 36 | |----------------------------+-------------------------------| | 32MB | (1) 8M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (4MB OF MEMORY SOLDERED TO BOARD) | |------------------------------------------------------------| | Size | Bank 0 | Parity 0 (P0) | Bank 1 | |-----------+---------------+----------------+---------------| | 4MB | (8) 441000 | (1) 441000 | NONE | |-----------+---------------+----------------+---------------| | 6MB | (8) 441000 | (1) 441000 | (1) 512K x 36 | |-----------+---------------+----------------+---------------| | 8MB | (8) 441000 | (1) 441000 | (1) 1M x 36 | |-----------+---------------+----------------+---------------| | 12MB | (8) 441000 | (1) 441000 | (1) 2M x 36 | |-----------+---------------+----------------+---------------| | 20MB | (8) 441000 | (1) 441000 | (1) 4M x 36 | |-----------+---------------+----------------+---------------| | 36MB | (8) 441000 | (1) 441000 | (1) 8M x 36 | |------------------------------------------------------------| | Note:Bank 0 is soldered to the board. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ONBOARD VIDEO CONFIGURATION | |------------------------------------------------------------| | Onboard Video | IRQ | J11 | J22 | |------------------+---------+-------------------+-----------| |>> | Enabled | IRQ9 | pins 2 & 3 closed | Closed | |----+-------------+---------+-------------------+-----------| | | Enabled | None | pins 2 & 3 closed | Open | |----+-------------+---------+-------------------+-----------| | | Disabled | N/A | pins 1 & 2 closed | N/A | +------------------------------------------------------------+ +------------------------------------------------------------+ | VRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 (U23) | Bank 1 (U20) | Bank 1 (U22) | |--------------+---------------+--------------+--------------| | 512KB | (1) 256K x 16 | NONE | NONE | | | DIP | | | |--------------+---------------+--------------+--------------| | 1MB factory | (1) 256K x 16 | NONE | (1) 256K x | | installed | DIP | | 16 DIP | |--------------+---------------+--------------+--------------| | 1MB user | (1) 256K x 16 | (1) 256K x | NONE | | installed | DIP | 16 ZIP | | |------------------------------------------------------------| | Note:If board is factory installed with 1MB of VRAM, a | | second 256K x 16 DIP will soldered on the board at U22. If | | board is factory configured with 512KB of VRAM, U22 will | | only be a trace, and a 40-pin ZIP socket will be installed | | at location U20. If the ZIP socket is present, there will | | also be traces for 2 additional zip sockets at U14 and | | U16. Sockets installed on ZIP socket traces will not | | function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PARALLEL PORT IRQ CONFIGURATION | |------------------------------------------------------------| | IRQ | J13 | |----------------------------+-------------------------------| |>> | IRQ7 | pins 1 & 2 closed | |----+-----------------------+-------------------------------| | | IRQ5 | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | CPU | Type | Location | J29 | J34 | |-----------------+------+----------+--------+---------------| | 80486SX | PQFP | U47 | Open | pins 1 & 3, 2 | | | | | | & 4 | |-----------------+------+----------+--------+---------------| | 80487SX | PGA | U45 | Open | pins 1 & 3, 2 | | | | | | & 4 | |-----------------+------+----------+--------+---------------| | 80486DX | PGA | U45 | Open | pins 3 & 5, 4 | | | | | | & 6 | |-----------------+------+----------+--------+---------------| | ODPR486SX-25MHz | PGA | U45 | Closed | pins 3 & 5, 4 | | | | | | & 6 | |-----------------+------+----------+--------+---------------| | ODP486SX-33MHz | PGA | U45 | Closed | pins 1 & 3, 4 | | | | | | & 6 | |-----------------+------+----------+--------+---------------| | 80486DX2 | PGA | U45 | Closed | pins 3 & 5, 4 | | | | | | & 6 | |------------------------------------------------------------| | Note:Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | J23 | J25 | J26 | |---------------+--------------+--------------+--------------| | 20MHz | Closed | Open | Open | |---------------+--------------+--------------+--------------| | 25/50i MHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 33/66i MHz | Open | Closed | Open | |---------------+--------------+--------------+--------------| | 40MHz | Open | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Cache | TAG | |------------------+--------------------+--------------------| |>> | 32KB | (4) 8K x 8 | (1) 8K x 8 | |---+--------------+--------------------+--------------------| | | 128KB | (4) 32K x 8 | (1) 32K x 8 | |---+--------------+--------------------+--------------------| | | 512KB | (4) 128K x 8 | (1) 128K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | J30 | J31 | J32 | J33 | |-----------+--------+-------------+------------+------------| |>> | 32KB | Open | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | | | closed | closed | closed | |---+-------+--------+-------------+------------+------------| | | 128KB | Closed | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | | | | | closed | closed | closed | |---+-------+--------+-------------+------------+------------| | | 512KB | Closed | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | | | | | closed | closed | closed | +------------------------------------------------------------+