patrik@studio ~ % UNIT=0; for PERIODFACTOR in -1 0; do
if [[ $PERIODFACTOR -eq -1 ]]; then
  echo "------- SYNCHRONOUS AUTONEGOTIATED --------"
  rsh misato setbatt | grep -q 'Synchronous transfer.*NOT' && rsh misato setbatt SYNC Y >/dev/null && a3k-reboot.sh &>/dev/null && rsh misato Wait 10 >/dev/null
  rsh misato version scsi.device FULL
elif [[ $PERIODFACTOR -eq 0 ]]; then
  echo "------- ASYNCHRONOUS --------"
  rsh misato setbatt SYNC N >/dev/null && a3k-reboot.sh &>/dev/null && rsh misato Wait 10 >/dev/null
  rsh misato version scsi.device FULL
fi
rsh misato "PT:SCSINegotiatedSpeed scsi.device $UNIT;PT:SCSIReadWritespeed scsi.device $UNIT;PT:SCSIOperationSpeed scsi.device $UNIT"
done
------- SYNCHRONOUS AUTONEGOTIATED --------
scsi.device 47.4 (2019-12-30)
Target:       ATA      TS32GMTS S400S   S090
Negotiated:   Fast-5 Narrow SCSI 4.03MB/s period factor 62 offset 12
Target:       ATA      TS32GMTS S400S   S090
Read:         3802199 bytes/sec
Write:        3826393 bytes/sec
Target:       ATA      TS32GMTS S400S   S090
Seek:          536.15 ops/sec
Read 1:        413.05 ops/sec
Read 0:        544.41 ops/sec
Read seq:      414.98 ops/sec
Write 1:       416.49 ops/sec
Write 0:       547.58 ops/sec
Write seq:     416.12 ops/sec
------- ASYNCHRONOUS --------
scsi.device 47.4 (2019-12-30)
Target:       ATA      TS32GMTS S400S   S090
Negotiated:   Async Narrow SCSI
Target:       ATA      TS32GMTS S400S   S090
Read:         2292274 bytes/sec
Write:        2303527 bytes/sec
Target:       ATA      TS32GMTS S400S   S090
Seek:          535.92 ops/sec
Read 1:        403.39 ops/sec
Read 0:        543.60 ops/sec
Read seq:      404.34 ops/sec
Write 1:       401.12 ops/sec
Write 0:       547.52 ops/sec
Write seq:     400.95 ops/sec