Serial Number; Notational Conventions; Values; Ranges - HP dx7300 Technical Reference Manual
Compaq dx7300/dc7700 series business desktop computers
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- Overview (54 pages) ,
- Reference manual (234 pages) ,
- Troubleshooting manual (72 pages)
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1.4
Serial Number
The unit's serial number is located on a sticker placed on the exterior cabinet. The serial number
is also written into firmware and may be read with HP Diagnostics or Insight Manager utilities.
1.5
Notational Conventions
The notational guidelines used in this guide are described in the following subsections.
1.5.1 Values
Hexadecimal values are indicated by a numerical or alpha-numerical value followed by the letter
"h." Binary values are indicated by a value of ones and zeros followed by the letter "b."
Numerical values that have no succeeding letter can be assumed to be decimal unless otherwise
stated.
1.5.2 Ranges
Ranges or limits for a parameter are shown using the following methods:
Example A:
Example B:
1.5.3 Register Notation and Usage
This guide uses standard Intel naming conventions in discussing the microprocessor's (CPU)
internal registers. Registers that are accessed through programmable I/O using an indexing
scheme are indicated using the following format:
In the example above, register 03C5.17h is accessed by writing the index port value 17h to the
index address (03C4h), followed by a write to or a read from port 03C5h.
1.5.4 Bit Notation and Byte Values
Bit designations are labeled between brackets (i.e., "bit <0 >"). Binary values are shown with the
most significant bit (MSb) on the far left, least significant bit (LSb) at the far right. Byte values in
hexadecimal are also shown with the MSB on the left, LSB on the right.
Technical Reference Guide
Bits <7..4> = bits 7, 6, 5, and 4.
IRQ3-7, 9 = IRQ signals 3 through 7, and IRQ signal 9
03C5.17h
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Index port
Data port
Introduction
1-3
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