IBM 4247 Maintenance Information page 159

Table 26. Minimum Microcode Levels (continued)
A00 2.09
001 Coax
Twinax
002 Coax
Twinax
003 5.05
3.19
3.18
2.19
2.18
1.16
2.02
2.02
2.03
2.03
5.05
3.04
3.02
3.03
3.02
5.05
Chapter 1. Diagnosing Problems
159