144
POST Error Codes
Initial POST
Hardware and service port Initialization
Figure 11
Initial POST
IpostMain
starts by initializing the service-port and the system hardware. If successful, the ERR LED will
extinguish and the
RDY
LED will turn on. POST will then display a firmware version banner on the service
port.
Simple Access Test
Figure 12
Simple Access
The simple access test verifies that the processor can perform basic writes and reads to the SDRAM. This
test is identified by the flash of the
FC
LED
.
If an error is detected, the
FC
LED will be turned on and the
ERR
LED will blink. The SNC will remain in this state until power is recycled.
Bitwalk Test
Figure 13
Memory Size
This test verifies that the apparent size of SDRAM meets the minimum and maximum sizes specified for the
product. This test is identified by the flash of the
FC
and
S1 LED
s.
Содержание SNC 4000
Страница 1: ...www adic com ADICSNC 4000User sGuide ADVANCED DIGITAL INFORMATION CORPORATION...
Страница 10: ...4 SNC 4000 Introduction...
Страница 40: ...34 Removal and Replacement Procedures...
Страница 140: ...134 Service Port Command Reference...
Страница 147: ...SNC 4000 User s Guide 141 fcConnPortModeGet...
Страница 148: ...142 Diagnostic Command Reference...