AP-SDM004GAPANS-B Apacer, AP-SDM004GAPANS-B Datasheet - Page 22

• Manufacturer Part Number: AP-SDM004GAPANS-B
• Description: Memory Modules SDM II 4GB
• Manufacturer: Apacer

Specifications of AP-SDM004GAPANS-B

• Product: 2.5 in Solid State Drive
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Memory Size: 4 GB
• Memory Type: SATA Disk Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note that feature 03h allows the host to select the transfer mode by specifying a value in the Sector Count
register. These bits are further defined as shown in Table 2-5.
The upper 5 bits define the type of transfer, and the low order 3 bits encode the mode value. One PIO mode is
selected at all times. The host may change the selected modes by the Set-Features command.
2.1.14 Set-Multiple-Mode (C6h)
© 2009 Apacer Technology Inc.
Sector Number (LBA Low)
Cylinder High (LBA High)
Cylinder Low (LBA Mid)
Feature
01h
02h
03h
09h
55h
66h
69h
81h
82h
89h
96h
97h
AAh
CCh
Sector Count
Command
Register
Features
Device
Operation
Enable 8-bit data transfers
Enable Write Cache
Set transfer mode based on value in Sector Count register
Enable Extended Power Operations
Disable Read Look Ahead
Disable Power-on Reset (POR) establishment of defaults at software reset
NOP - Accepted for backward compatibility
Disable 8-bit data transfer
Disable Write Cache
Disable Extended Power operations
NOP - Accepted for backward compatibility
Accepted for backward compatibility. Use of this feature is not recommended
Enable Read-Look-Ahead
Enable Power-on Reset (POR) establishment of defaults at software reset
Mode
PIO default mode
PIO default mode, disable IORDY
PIO flow control transfer mode
Multi-word DMA mode
Ultra-DMA mode
Reserved
Table 2-5 Values available in Transfer mode
AP-SDMxxxxXPANS-B
7
SATA-Disk Module
Table 2-4 Features supported
6
X
21
5
Drive
Sector Count
4
Bits [7:3]
00000b
00000b
00001b
00100b
01000b
Other
C6h
X
X
X
X
Ⅱ Ⅱ Ⅱ Ⅱ
3
Bits [2:0]
000b
001b
mode1
mode1
mode1
n/a
2
X
1
0
Rev. 1.0