ZiLOG System 8000 Hardware Reference Manual page 236

HRM
TEST NAME
Zilog
HRM
WDCFMT - data-destructive formatting of the entire disk
PARAMETERS
Disk drive to be tested (default=O)
DESCRIPTION
WDCFMT formats every sector of the disk. This is accom-
plished by issuing the format command, FMT, to the Winches-
ter Disk Controller (WDC). WDCFMT reformats the disk n
times, where n = HREPS in the test line. After each repeti-
tion, WDCFMT displays the defect map. If cylinder-sparing
WDC firmware is installed, a list of defective cylinder3 is
displayed. Otherwise, a list of defective sectors is
displayed.
ERROR MESSAGES
WDCFMT can issue the following error messages
where:
u
-.
unit number (decimal)
ccc = cylinder number (decimal)
h = head number (decimal)
ss = sector number (decimal)
dr = conten.ts (hex) of drive ready register
ds = contents (hex) of disk status register
oe = contents (hex) of operation error status register
os = contents (hex) of other status register
xx = value (hex) of command issued to the WDC
DISK NOT RESPONDING DURING INIT
WDC failed to respond within a reasonable time after
the test began.
INVALID COMMAND DISK=(u,ccc,h,ss) COMMAND ISSUED=xx
Invalid command opcode or out-of-range command parame-
ters.
A-5
Zilog A-5