User`s guide
Table Of Contents
- Contents
- Tables
- Preface
- Introduction
- Getting Started
- 2.1 Overview
- 2.2 Hardware Required
- 2.3 Hardware Debug Features
- 2.4 Setting Up the SROM Serial Port Connection
- 2.5 Starting and Running the Mini-Debugger
- 2.6 Sample Session on the EB64
- 2.7 Sample Session on the EB64+ and the AlphaPC 6...
- 2.8 Sample Session on the EB66 and EB66+
- 2.9 Sample Session on the EB164
- 2.10 Sample Session on the AlphaPC 164
- 2.11 Sample Session on the AlphaPC 164LX
- 2.12 Onboard Machine Check Handler
- SROM Mini-Debugger Command Set
- Support, Products, and Documentation
- Index

Getting Started 2–37
Sample Session on the AlphaPC 164
SROM> em ! Read first byte of flash. If it has an
A> 86fff80000
! image with the standard ROM header, you
00000086.fff80000:5a5ac3c3 ! will see this signature.
! Enable the Real Time Clock in the SMC chipset.
SROM> dm
! Put SMC in configuration mode
A> 8580006e00
! by writing to I/O address 0x370
D> 55
! the value 0x55 twice.
SROM> dm
A> 8580006e00
D> 55
SROM> dm
A> 8580006e00
D> 20 ! Read the device ID and rev.
SROM> em
A> 8580006e20 ! Data port for SMC is at I/O address 0x371.
00000085.80006e20:00000200 ! It should contain this value.
SROM> dm
! Set device number to RTC.
A> 8580006e00
! All the configuration commands
D> 7
! that follow will apply to RTC only.
SROM> dm
A> 8580006e20
D> 0600 ! RTC.
SROM> dm
A> 8580006e00
D> 70 ! Select the interrupt register.
SROM> dm
A> 8580006e20
D> 0800 ! Configure to interrupt as IRQ8.
SROM> dm
A> 8580006e00
D> 30 ! Activate the RTC.