User Manual
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... connector, and connecting a SCSI cable from the on the anti-static bag in your freight company representative so that the board is placed on -board connector to a SCSI target. AHA-1540B/1542B 2-1 adaptec Section Two Preparation & Configuration 2.1 UNPACKING AND INSPECTION The carrier is responsible for examination and jumper configuration. NOTE: The AHA-1540B11542B, like all electronic equipment is sensitive to -SCSI host adapter. After opening the shipping container, use...
... connector, and connecting a SCSI cable from the on the anti-static bag in your freight company representative so that the board is placed on -board connector to a SCSI target. AHA-1540B/1542B 2-1 adaptec Section Two Preparation & Configuration 2.1 UNPACKING AND INSPECTION The carrier is responsible for examination and jumper configuration. NOTE: The AHA-1540B11542B, like all electronic equipment is sensitive to -SCSI host adapter. After opening the shipping container, use...
User Manual
Page 3
JUMPER LOCATIONS 2.3 JUMPER CONFIGURATION All of the jumpers have been preset at the factory to ensure proper system operation with the majority of AT bus systems. This information is provided to help the OEM or system integrator configure the system properly if other option boards present conflicts or if more than one AHA-154X board will be installed in the same system. Section Two Preparation and Configuration Pin I MICROCODE IIIIIIIMINI J8 J9 Pin 1 BIOS = AHA-15408 Default FIGURE 2-1. AHA-1540B/1542B 2-2 adaptec
JUMPER LOCATIONS 2.3 JUMPER CONFIGURATION All of the jumpers have been preset at the factory to ensure proper system operation with the majority of AT bus systems. This information is provided to help the OEM or system integrator configure the system properly if other option boards present conflicts or if more than one AHA-154X board will be installed in the same system. Section Two Preparation and Configuration Pin I MICROCODE IIIIIIIMINI J8 J9 Pin 1 BIOS = AHA-15408 Default FIGURE 2-1. AHA-1540B/1542B 2-2 adaptec
User Manual
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... jumpers located under the internal 50-pin connector J2. Default is installed. J9 must also be set - If the jumper is shown below: - J9 must also be set Interrupt Channel 0 -1 DMA Channel 0 DMA Channel 1 SCSI Address ID2 SCSI Address ID1 I .-- Section Two Preparation and Configuration 2.3.1 Jumper Block J5 Jumper block J5 is not installed, the AHA-1540B/1542B will initiate SCSI synchronous negotiation during initialization, or after a SCSI reset if this jumper is jumper removed, synchronous negotiation initiation disabled...
... jumpers located under the internal 50-pin connector J2. Default is installed. J9 must also be set - If the jumper is shown below: - J9 must also be set Interrupt Channel 0 -1 DMA Channel 0 DMA Channel 1 SCSI Address ID2 SCSI Address ID1 I .-- Section Two Preparation and Configuration 2.3.1 Jumper Block J5 Jumper block J5 is not installed, the AHA-1540B/1542B will initiate SCSI synchronous negotiation during initialization, or after a SCSI reset if this jumper is jumper removed, synchronous negotiation initiation disabled...
User Manual
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... diagnostic jumper. The SCSI parity checking is disabled if this jumper is installed. Section Two Preparation and Configuration SCSI devices support synchronous transfer, the initiation of negotiation should be enabled by the AHA-154X or the attached synchronous device(s) to the following table. If this jumper is installed, the firmware will loop through the power on the SCSI bus. 2.3.1.2 Diagnostic Jumper Pin-pair 2 of jumper block J5 is 7 (no jumpers installed). The default is selected according to implement the synchronous data...
... diagnostic jumper. The SCSI parity checking is disabled if this jumper is installed. Section Two Preparation and Configuration SCSI devices support synchronous transfer, the initiation of negotiation should be enabled by the AHA-154X or the attached synchronous device(s) to the following table. If this jumper is installed, the firmware will loop through the power on the SCSI bus. 2.3.1.2 Diagnostic Jumper Pin-pair 2 of jumper block J5 is 7 (no jumpers installed). The default is selected according to implement the synchronous data...
User Manual
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... following diagrams: AHA-1540B/1542B 2-5 adaptec Pin pair 1 is the leftmost pair of pins. The DMA channel reported to the following table. Pin pair 1 is the leftmost pair of the host adapter. Default is located near the bottom center of jumper pins J5. There are four DMA channels that may be used by the AHA-1540B/1542B according to the AT during the Return Configuration command is set...
... following diagrams: AHA-1540B/1542B 2-5 adaptec Pin pair 1 is the leftmost pair of pins. The DMA channel reported to the following table. Pin pair 1 is the leftmost pair of the host adapter. Default is located near the bottom center of jumper pins J5. There are four DMA channels that may be used by the AHA-1540B/1542B according to the AT during the Return Configuration command is set...
User Manual
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... these four lines must be connected in J5. The jumper installed must match the DMA channel setting in order for the board to the AT bus. x = Jumper Installed DREQ 0, 5, 6, 7 - ZcCCa wCC f( ) 0 0 < < 0 0 Ox 000 x 0000x 000 J9 Ox 000 x 000 0 x 000 a- connects the DMA request line to function. Section Two Preparation and Configuration DMA Channel Select bit 0 DMA Channel Select blt 1 J5 DMA CHANNEL JUMPERS PIN-PAIR...
... these four lines must be connected in J5. The jumper installed must match the DMA channel setting in order for the board to the AT bus. x = Jumper Installed DREQ 0, 5, 6, 7 - ZcCCa wCC f( ) 0 0 < < 0 0 Ox 000 x 0000x 000 J9 Ox 000 x 000 0 x 000 a- connects the DMA request line to function. Section Two Preparation and Configuration DMA Channel Select bit 0 DMA Channel Select blt 1 J5 DMA CHANNEL JUMPERS PIN-PAIR...
User Manual
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... 11. b: x = Jumper Installed * = Default AHA-1540B/1542B 2-7 adaptec Section Two Preparation and Configuration 2.3.1.6 AT Interrupt Channel There are J5 and J9. The interrupt channel reported to the AT during the Return Configuration Command is set J9 selects the AT interrupt channel to be used is set is the leftmost pair of the host adapter. Interrupt Channel Select bit 0 Interrupt Channel Select bit 1 Interrupt Channel Select bit 2 J5...
... 11. b: x = Jumper Installed * = Default AHA-1540B/1542B 2-7 adaptec Section Two Preparation and Configuration 2.3.1.6 AT Interrupt Channel There are J5 and J9. The interrupt channel reported to the AT during the Return Configuration Command is set J9 selects the AT interrupt channel to be used is set is the leftmost pair of the host adapter. Interrupt Channel Select bit 0 Interrupt Channel Select bit 1 Interrupt Channel Select bit 2 J5...
User Manual
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... 000 x = Jumper Installed IRQ 9, 10, 11, 12, 14, 15 - This speed may also be installed in J5. 2.3.1.7 DMA Transfer Speed Default Pin-pairs 12 and 13 of these jumpers must match the interrupt channel setting in order for system timing requirements.) The default speed is no jumper installed. The Host Adapter command overrides the jumper settings. AHA-15408/15428 2-8 adaptec One of jumper block J5 set any particular system by using the Host Adapter command Set Transfer...
... 000 x = Jumper Installed IRQ 9, 10, 11, 12, 14, 15 - This speed may also be installed in J5. 2.3.1.7 DMA Transfer Speed Default Pin-pairs 12 and 13 of these jumpers must match the interrupt channel setting in order for system timing requirements.) The default speed is no jumper installed. The Host Adapter command overrides the jumper settings. AHA-15408/15428 2-8 adaptec One of jumper block J5 set any particular system by using the Host Adapter command Set Transfer...
User Manual
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... user is debugging a driver that they wrote, it is received from the SCSI target. MIA-15408/1542B 2-9 adaptec when installed, enables the BIOS Prom to CL 0_ co cCo L J6 x 0 0 0 0 x 0 0 0 0 C a- when installed, the AHA-1540B will not automatically issue a Request Sense Command when a check condition is best to leave this jumper removed. as as ct. x = Jumper Installed BIOS Enable - Section Two Preparation and Configuration J5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 x x 0 0 0 0 0 0 CM C7 a- Disable Auto Sense - Default...
... user is debugging a driver that they wrote, it is received from the SCSI target. MIA-15408/1542B 2-9 adaptec when installed, enables the BIOS Prom to CL 0_ co cCo L J6 x 0 0 0 0 x 0 0 0 0 C a- when installed, the AHA-1540B will not automatically issue a Request Sense Command when a check condition is best to leave this jumper removed. as as ct. x = Jumper Installed BIOS Enable - Section Two Preparation and Configuration J5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 x x 0 0 0 0 0 0 CM C7 a- Disable Auto Sense - Default...
User Manual
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.../1542B 2-10 adaptec •S• Section Two Preparation and Configuration 2.3.3 Jumper Block J7 Jumper block J7 is located near the external SCSI connector and is shown below: Pin 1 J7 0 0 X X 0 0 0 0 0 0 0 0 0 0 0 0 Floppy Secondary Address Port Address Select bit 0 Port Address Select bit 1 Port Address Select bit 2 Wait State bit 0 Wart State bit 1 BIOS Address Select bit 0 BIOS Address Select bit 1 x = Jumper Installed Pin pair 1 is the topmost pair of pins 2.3.3.1 Floppy Secondary Address When a jumper is installed in pin pair 1 of J7, the floppy disk controller (AHA-1542B...
.../1542B 2-10 adaptec •S• Section Two Preparation and Configuration 2.3.3 Jumper Block J7 Jumper block J7 is located near the external SCSI connector and is shown below: Pin 1 J7 0 0 X X 0 0 0 0 0 0 0 0 0 0 0 0 Floppy Secondary Address Port Address Select bit 0 Port Address Select bit 1 Port Address Select bit 2 Wait State bit 0 Wart State bit 1 BIOS Address Select bit 0 BIOS Address Select bit 1 x = Jumper Installed Pin pair 1 is the topmost pair of pins 2.3.3.1 Floppy Secondary Address When a jumper is installed in pin pair 1 of J7, the floppy disk controller (AHA-1542B...
User Manual
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... IOCHRDY to be driven inactive on -board BIOS cannot be used Note that address. x - - The on the bus during BIOS reads. Default is Wait State Disabled. x x x DELAY (ns) 0 (IOCHRDY not driven)* 100 200 300 x = Jumper Installed - = Jumper Not Installed = Default AHA-1540B/1542B 2-11 adaptec Section Two Preparation and Configuration J7 Pin pair 2 Pin pair 3 Pin pair 4 0 0 Port Address Select bit 0 X X Port Address Select bit 1 0 0 Port Address Select bit 2 0 0 0 0 0 0 0 0 0 0 x = Jumper Installed = Default AT PORT ADDRESS Bit 2 Bit 1 Bit 0 Select bit 1 A9 A8 A2 ADDRESS...
... IOCHRDY to be driven inactive on -board BIOS cannot be used Note that address. x - - The on the bus during BIOS reads. Default is Wait State Disabled. x x x DELAY (ns) 0 (IOCHRDY not driven)* 100 200 300 x = Jumper Installed - = Jumper Not Installed = Default AHA-1540B/1542B 2-11 adaptec Section Two Preparation and Configuration J7 Pin pair 2 Pin pair 3 Pin pair 4 0 0 Port Address Select bit 0 X X Port Address Select bit 1 0 0 Port Address Select bit 2 0 0 0 0 0 0 0 0 0 0 x = Jumper Installed = Default AT PORT ADDRESS Bit 2 Bit 1 Bit 0 Select bit 1 A9 A8 A2 ADDRESS...
User Manual
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...* CC000 D8000 C8000 x = Jumper Installed - No Jumper Installed * = Default 2.3.3.5 Jumper Block J8 (AHA-1542B only) Jumper Block J8 is located at the lower center of the address space reserved for the on-board BIOS is selected by pin pairs 7 and 8 on -board floppy disk controller and is used to configure the on J7. Dual Channel Speed a:. .t(8c0uIs: cm co oa cm Y co Y (13 - x =Jumper Installed n_ AI-IA-15408/1542B 2-12 adaptec It is not...
...* CC000 D8000 C8000 x = Jumper Installed - No Jumper Installed * = Default 2.3.3.5 Jumper Block J8 (AHA-1542B only) Jumper Block J8 is located at the lower center of the address space reserved for the on-board BIOS is selected by pin pairs 7 and 8 on -board floppy disk controller and is used to configure the on J7. Dual Channel Speed a:. .t(8c0uIs: cm co oa cm Y co Y (13 - x =Jumper Installed n_ AI-IA-15408/1542B 2-12 adaptec It is not...
User Manual
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... 6,10 - this jumper should be disabled by removing this jumper should not be removed. If an internal or an external cable is jumper in Pin Pair position 4, DACK 2. Default is used (but not both) then the farthest end of both an internal and an external SCSI cable is terminators installed. Dual Speed - For normal operation this jumper. DREQ 2,3 - DACK 2,3 - Default is jumper in the system, the floppy controller on the AHA-1540B/1542B. Default is jumper in Pin Pair...
... 6,10 - this jumper should be disabled by removing this jumper should not be removed. If an internal or an external cable is jumper in Pin Pair position 4, DACK 2. Default is used (but not both) then the farthest end of both an internal and an external SCSI cable is terminators installed. Dual Speed - For normal operation this jumper. DREQ 2,3 - DACK 2,3 - Default is jumper in the system, the floppy controller on the AHA-1540B/1542B. Default is jumper in Pin Pair...
User Manual
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No more than five SCSI devices should be removed. AFIA-1540B/1542B 2-14 adaptec If another SCSI device is Fl installed with the AHA-1540B/1542B supplying the terminator power. Default is supplying terminator power, then Fl may optionally be configured to supply terminator power to a single SCSI bus. Section Two Preparation and Configuration 2.3.5 SCSI Terminator Power Fuse, Fl, controls the terminator power.
No more than five SCSI devices should be removed. AFIA-1540B/1542B 2-14 adaptec If another SCSI device is Fl installed with the AHA-1540B/1542B supplying the terminator power. Default is supplying terminator power, then Fl may optionally be configured to supply terminator power to a single SCSI bus. Section Two Preparation and Configuration 2.3.5 SCSI Terminator Power Fuse, Fl, controls the terminator power.