SpeedSTAR Addendum ------------------ There are several changes to the Diamond SpeedSTAR User's Manual detailed on this page. Please take a few moments to read this addendum before installing the SpeedSTAR. System Compatibility The SpeedSTAR will operate in any 100% IBM PC, PC/XT PC/AT, PS/2 Model 30 or 30-286 compatible computer. This includes 386 or 486 compatible PCs which follow the IBM standards for compatibility. Check with the dealer or manufacturer of your computer. The SpeedSTAR board is compatible with the IBM VGA (Video Graphics Array) and IBM EGA (Enhanced Graphics Adapter). Most compatible systems support the IBM VGA or EGA standard. If your computer supports the IBM EGA, then the SpeedSTAR should operate in your system. **** Because of the wide variety of systems and configurations available today, Diamond Computer Systems,Inc. cannot be held responsible for any incompatibilities which may occur between your system's configuration and the SpeedSTAR. ---------------------------------------------------------------------------- Installation Instructions The SpeedSTAR installation is very simple, requiring only three easy steps. If you are not experienced in installing peripherals into your system please seek assistance from your dealer or consult your computer's operations guide. These instructions presume that you are familiar with your hardware: 1) Power OFF the computer and related devices, remove the computer cover and find an empty slot. 2) After properly setting the SpeedSTAR switch and jumper setting, (next section) install the SpeedSTAR firmly into its slot. 3) Once the SpeedSTAR is properly in its slot, secure the computer's cover, and attach any previously removed cables. Your monitor's cable connector must be compatible with the IBM VGA, DB-15 analog cable connector. The SpeedSTAR is now installed and ready to run. ---------------------------------------------------------------------------- SpeedSTAR Jumper and Switch Locations The following diagram will help you find the locations of the jumper and switches: (1) | /--------------------------|----------------------------------------\ | ||||||||| \----> ::::::::::::: :::::::::::::::: | (2) | | | | ||||||||| TSENGTSENGTSEN /--|= | | SENGTSENGTSENG /-------\ | |O <--/ | ||||||||| ENGTSENGTSENGT |DACDACD| | |O | N TSENG 4000 S |ACDACDA| \--|= | ||||||||| GTSENGTSENGTSE |CDACDAC| /-| | TSENGTSENGTSEN \-------/ |=| | ||||||||| SENGTSENGTSENG JP1 |=| <--\ | ooo <---(5) \-| | | ||||||||| | | | (6) (6) | (3) | ||||||||| BIOSBIOSBIOSBIOS BIOSBIOSBIOSBIOS | | IOSBIOSBIOSBIOSB IOSBIOSBIOSBIOSB IRQ2 | | ||||||||| OSBIOSBIOSBIOSBI OSBIOSBIOSBIOSBI ooo <----(4) | | __ __________________| UUUUUUUUUUUUUU UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU 1) VESA Connector 4) IRQ2 2) DB-15 Monitor connector 5) JP1 3) Switch Block 6) BIOS Chips Refer to your dealer or computer user's guide for more information on installing hardware and software. Switch and jumper setting may vary from system to system. Make sure your computer system is configured properly for the SpeedSTAR. Incorrect switch switch or jumper setting could result in damage to your monitor, SpeedSTAR or other hardware. ---------------------------------------------------------------------------- Jumper and Switch Settings The SpeedSTAR has jumper and switch settings which permit you to optimize its operation. The jumpers and switches are preset at the factory for "best case" computer configurations, and you may not need to change them. However, you should be double check your configuration needs with the following information. Use the SpeedSTAR layout diagram to determine the location of each jumper. The factory default jumper and switch settings are as follows: Jumper Connections Jumper JP1: Sets Bus timing Bus timings on motherboards will vary. The jumper at JP1 is set to Normal Bus timing with the jumper block on pins 1 and 2. Position the jumper block over pins 2 and 3 if timing problems occur. JP1 Default setting: --->PINS 1 & 2 NORMAL BUS TIMING Pins 2 & 3 alternate bus timing IRQ2 Jumper: Sets IRQ2 interrupt IRQ2 is enabled on the SpeedSTAR to conform to EGA register compatibility by placing the jumper block over both pins. To disable IRQ2, remove the jumper block. IRQ2 Jumper Default setting: --->ON=IRQ2 ENABLED OFF=IRQ2 disabled Its easy to change a jumper. /--------\ To set a jumper ON, position | | the jumper block over the two | | | thin wire leads to form an | \________/ /--------\ electrical connection. | | | | | | | | Remove the v | | \________/ jumper to set /-|----|-\ /-|----|-\ the jumper |________| |________| to OFF. ---------------------------------------------------------------------------- DIP Switch Settings The SpeedSTAR has a switch block which can be accessed through the mounting bracket. The factory default switch settings will work in most computer configurations, but you should check these with your personal configuration: /-------------------------------------------------------------\ | Switch | Configuration | Setting | | |--------+------------------------------+-----------+---------| | 1 | Reserved | ON | Default | |--------+------------------------------+-----------+---------| | | Turbo Display Memory Access | ON | Default | | 2 |------------------------------+-----------+---------| | | Normal Display memory access | OFF | | |--------+------------------------------+-----------+---------| | | 16 bit BIOS access | ON | Default | | 3 |------------------------------+-----------+---------| | | 8 bit BIOS access | OFF | | |--------+------------------------------+-----------+---------| | | Turbo BIOS access | ON | Default | | 4 |------------------------------+-----------+---------| | | Normal BIOS access | OFF | | \-------------------------------------------------------------/ If you experience difficulty with the default settings, set the switches in the steps given below, until your system boots properly: /--------------------------------------\ | Step # | Set Switch 2 | Set Switch 4 | |--------+--------------+--------------| | 1 | ON | OFF | |--------+--------------+--------------| | 2 | OFF | ON | |--------+--------------+--------------| | 3 | OFF | OFF | \--------------------------------------/ The Diamond Bulletin Board now operates at 9600 Baud and can be accessed by dialing (408) 730-1100. SpeedSTAR Addendum rwd-042092