HP 30242 Installation And Service Manual page 52

Maintenance
Table 4-1. Self -Test LEOs and Subtest Descriptions (Continued)
CODE
LED
INDICATION
HEX
NO.
H I
J K
L M N *
SUBTEST DESCRIPTION
15 0
0
1 0 1
o
1 1 PADDR to BADDR bus Low 15 bits
16
0
0
1 0 1 1 0 1 ZBANKL register Low Z-80 bank bit
17 0
0
1 0 1 1 1 1 ZBANKH register
Eight high Z-80 bank bits
18 0
0
1 1 0 0 0 1 Pre 1im ina ry FIFO INREADY, ADVREADY, OUTREADY
19 .0
0
1 1 0 0 1 1 FIFO Data BDATA(7)
1A 0
0
1 1 0 1 0
1
FIFO Data
BEA(7,8)
1B 0
0
1 1 0 1 1
1
FIFO Data BDATA(2:6)
1C 0
0
1 1 1 0 0
1
FIFO Data BDATA(0,1, 13: 15)
1D 0
0
1 1 1 0 1
1
FIFO Data BDATA(8: 12)
1E 0
0
1 1 1 1 0
1
FIFO Data BA ( 11 : 15)
1F 0
0
1 1 1 1 1
1
FIFO Data BA( 6: 10)
20 0 1
0
0
0 0 0 1
FIFO Data
BA( 1: 5)
21 0 1
0
0
0 0
1 1 R14 Configuration register
22 0 1
0
0 0 1 0 1 OBI1 register Value; Channel number not 0
_·h
~
23 0 1 0 0
0
1 1 1 COMCON register Values from reset
24
0
1
0
0 1 0 0 1 MAU Power On/Off (AUI/MAU not requ ired)
25 0
1 0
0 1
0
1 1 R13 CR, CR Full Bit
.'
26 0
1
0 0 1 1 0 1 R15 Selftest Result register
Feb 85
4-6