beautypg.com

Quantum 10K II User Manual

Page 86

background image

SCSI Description

Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives

5–19

Table 5–5 DATA-Phase Command Contents (continued)

Length

Data Out

Data In

Command

in CDB

(To Drive)

(To Initiator)

SEEK (6)(10)

0

---

---

SEND DIAGNOSTIC

Parameter List

Diagnostic Page

---

SET DEVICE IDENTIFIER
START STOP UNIT

0

---

---

SYNCHRONIZE

0

---

---

CACHE
TEST UNIT READY

0

---

---

VERIFY

Transfer

Data

---

WRITE (6)(10)

Transfer

Data

---

WRITE AND VERIFY

Transfer

Data

---

WRITE BUFFER

Parameter List

Zeros (4)

---

Mode-zero buffer (512)
or Data to put into DRAM
or Microcode image (262,144)
or Microcode image
(successive 16 KB pieces)

WRITE LONG

Byte Transfer

• Data (512)

---

(must be 560) • LBA Tag (2)

• EDC (2)
• ECC (44)

WRITE SAME

0

Data (1 logical sector)

---

WRITE SKIP MASK
XDREAD
XDWRITE
XPWRITE