Motorola PPC/CPCI-690, Reference Manual

Page: 89 / 176

PowerBoot Command Set
PPC/CPCI-690 4 - 15
Bytes per Sector : 576 [0x240]
Total Capacity in Bytes: 72253440 [0x44E8000]
ATA Write Buffer, CHS, polling...
ATA Read Buffer, CHS, polling...
Checking Buffer R/W contents...
ATA Read-4-Sectors, LBA, polling...
ATA/IDE-test okay
PowerBoot>
bt
D
ESCRIPTION
This commands executes a set of basic binary tests to locate memory errors.
The following test types are executed:
All tests, except the prime test, fill the memory area specified by
begin
and
end
. After the memory area has been filled, the testing starts indicated by
• test forward, i.e. memory is tested from
begin
to
end
• test backward, i.e. memory is tested from
end
to
begin
If an error occurs during the test, the following error message will appear:
error at location 0x12345678 value found:0xAB should be:0xBA
S
YNTAX
bt <begin> <end> [e] [c]
Table 13: BT Test Types
Test Name Access Size in Bit
Checkerboard test (reverse) 8, 16, 32
Walking ones test (reverse) 8, 16, 32
Walking zeroes test (reverse) 8, 16, 32
Increment test 8, 16, 32
Prime test 32
March-b test 32