User's Manual
AT-2900 Series Gigabit Ethernet Network Adapters Installation Guide
125
Default: Enabled
B6. External SRAM Test 
Function: It tests DMA SRAM by performing the tests described in test 
B1. The Scratch Pad Test. 
Default: Disabled
C1. EEPROM Test 
Function: An increment test data is used in EEPROM test. It fills the test 
data into the test range and read back to verity the content. After the test, it 
fills data with zero to clear the memory.
Default: Enabled
C2. CPU Test 
Function: This test opens the file cpu.bin. If file exists and content is good, 
it loads code to rx and tx CPU and verifies CPU execution.
Default: Enabled
Table 8. DMA Test Patterns
Test Pattern Description
"16 00's 16 FF's" Full the entire host DMA buffer with 16 
bytes of 00’s and then 16 bytes of FF’s.
"16 FF's 16 0's" Full the entire host DMA buffer with 16 
bytes of FF’s and then 16 bytes of 00’s.
"32 00's 32 FF's" Full the entire host DMA buffer with 32 
bytes of 00’s and then 32 bytes of FF’s.
"32 FF's 32 00's" Full the entire host DMA buffer with 32 
bytes of FF’s and then 32 bytes of 00’s.
"00000000's" Full the entire host DMA buffer with all 
zeros.
"FFFFFFFF's" Full the entire host DMA buffer with all 
FF’s. 
"AA55AA55's" Full the entire host DMA buffer with data 
0xAA55AA55. 
"55AA55AA's" Full the entire host DMA buffer with data 
0xAA55AA55.










