Opened 13 years ago
#10 new defect
APM setting is forgotten after resume
| Reported by: | Lewis Rosenthal | Owned by: | Steven Levine |
|---|---|---|---|
| Priority: | minor | Milestone: | Release-1.8.16 |
| Component: | danis506.add | Version: | 1.8.9 |
| Keywords: | apm noise spindown resume suspend power | Cc: |
Description
Background:
Replaced ThinkPad T43 internal drive with a Western Digital 320GB 5400 RPM Scorpio Blue (WD3200BEVT). These new "green" hard drives spin down quickly, locking the heads, which results in an audible (and annoying) "click!"
DaniS506.DOC refers to /APM switch, and provides basic guidelines for setting the /APM:n value. 254 is the *lowest* acceptable value (vs 255, which switches off the circuit, entirely) providing for quiet operation (at the expense of some battery power). (See http://www.2rosenthals.net/wordpress/the-telltale-hard-drive-173/ for more background, if necessary.)
Problem:
System boots and runs fine. System suspends without incident (APM.SYS is at 10.156 level; no ACPI on this machine). Upon resume, drive reverts to default behavior, of clicking every 8 or 9 seconds.
Expected behavior:
Just as Dani queries the removable bays for changes upon resume (in case of a warm swap), Dani should query/reset the non-removables upon resume, so that the boot time configuration is preserved.
Dani details, disk info, etc.:
See attachment.
CONFIG.SYS:
BASEDEV=DANIS506.ADD /VL /GBM /A:0 /U:0 /APM:254 /A:1 /BAY /A:2 /BAY /A:3 /PCS
Collected query files (bldlevel, debug, DiskInfo, etc.)