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7-1
Chapter
7
9030/40 Peripherals
Select Codes
Select
Code
Usage
0
I/O Slot 0
1
1/0 Slot 1
2
110 510t 2
3
1/0510t3
4
LO 510t 4
5
1/0 510t 5
6
);0 510t 6
7
5ystem Control Module
HP-CIO Interface Cards
HP 27110A Standard HP-IB
Features
• IEEE-488-1978 compatible.
• Supports DMA with two modes of performance: High Speed Mode for operation with fixed
discs or other high-speed peripherals, and Standard Mode for instruments and slower
peripherals.
• Supports up to 14 device loads.
• Selectable HP-IB controller or slave capabilities and parallel poll capabilities (BASIC Language
System only).
• Built-in hardware self-test.
Configuration
The normal switch settings are shown in the next figure.
The switch functions are:
51-55: Address 30 (decimal); 51 is Least Significant Bit
56: System Controller On
57: Normal Speed
58: Test Mode 1
High-speed devices can run on a normal-speed bus, but run slower than their capacity. Normal-
speed devices cannot run on a high-speed bus. The following are high-speed devices:
• disc drives
• 7971A tape drive
.26085 and
2631B/G
printers
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