Compaq AlphaServer ES40 User Manual

C-2 Compaq AlphaServer ES40 Service Guide
C.1 DPR Address Layout
Table C–1 DPR Address Layout
Location Logical Written
(Hex) Indicator By Used For
0 0 SROM EV6 BIST status 1=good 0=bad
1 1 SROM Bit[7]=Master Bits[0,1]=CPU_ID
2 2 SROM Test STR status 1=good 0=bad
3 3 SROM Test CSC status 1=good 0=bad
44
SROM
Test Pchip 0 PCTL status 1=good
0=bad
5 5 SROM Test Pchip 1 PCTL status 1=good
0=bad
6 6 SROM Test DIMx status 1=good 0=bad
77
SROM
Test TIG bus status
8 8 SROM Dual-Port RAM test DD= started
9 9 SROM Status of DPR test 1=good 0=bad
AA
SROM
Status of CPU speed function FF=good
0=bad
B B SROM Lower byte of CPU speed in MHz
C C SROM Upper byte of CPU speed in MHz
D:F - - Reserved
10:15
SROM
Power On Time Stamp for CPU 0—written
as BCD
Byte 10 = Hours (0-23)
Byte 11 = Minutes (0-59)
Byte 12 = Seconds (0-59)
Byte 13 = Day of Month (1-31)
Byte 14 = Month (1-12)
Byte 15 = Year (0-99)

Compaq AlphaServer ES40 Specifications

General

Brand	Compaq
Model	AlphaServer ES40
Category	Server
Language	English