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A1SAi-2750F
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4-26
A1SAi &
A1SRi Series Motherboard User
’s Manual
data when the receiving buffer is empty
. The options are
None,
Hardware RTS/
CTS,
and
Software
Xon/Xoff.
Data
Bits,
Parity
,
Stop
Bits
The status of each item above is displayed.
83
85
Table of Contents
Main Page
Default Chapter
3
About this Motherboard
3
Conventions Used in the Manual
4
Contacting Supermicro
5
Table of Contents
6
Chapter 1 Introduction
9
Overview
9
Connector Description
13
Motherboard Features
15
System Block Diagram
17
Processor Overview
18
Special Features
19
PC Health Monitoring
19
ACPI Features
20
Power Supply
20
Chapter 2 Installation
21
Standardized Warning Statements
21
Product Disposal
23
Static-Sensitive Devices
24
Memory Support
25
Populating Memory Modules
26
Removing Memory Modules
26
Motherboard Installation
28
Installing the Motherboard
29
Connectors/Io Ports
30
Backplane I/O Panel
30
Serial Ports
31
Ethernet Ports
31
Universal Serial Bus (USB)
32
Unit Identifier Switch
33
Vga
33
Front Control Panel
34
Front Control Panel Pin Definitions
35
NMI Button
35
Power LED
35
Hdd Led
36
Nic1/Nic2 (Lan1/Lan2)
36
Overheat (Oh)/Fan Fail/Pwr Fail/Uid LED
37
Power Fail LED
37
Reset Button
38
Power Button
38
Connecting Cables
39
ATX PWR, DC PWR and HDD PWR Connectors (JPW1, J1, J3)
39
Fan Headers (Fan 1 ~ Fan 3)
40
Chassis Intrusion (JL1)
40
Internal Buzzer (SP1)
41
Power Led/Speaker
41
DOM PWR Connector (JSD1)
42
Overheat LED Header
42
TPM Header/Port 80 Header
43
LAN3/LAN4 LED Indication Header
43
Power SMB
44
Connector
44
System Management Bus Header
44
Jumper Settings
45
Explanation of Jumpers
45
LAN Ports Enable/Disable
45
CMOS Clear
46
PCI-E Slot SMB Enable (I C1/I C2)
46
C1/I 2 C2)
46
Watch Dog Timer Enable
47
VGA Enable
47
Onboard Indicators
48
Gbe LAN Leds
48
IPMI Dedicated LAN Leds
48
Onboard Power LED
49
Overheat/Pwr Fail/Fan Fail LED
49
Unit Identification LED
50
SATA Connections
51
Serial ATA Ports
51
Chapter 3 Troubleshooting
53
Troubleshooting Procedures
53
Technical Support Procedures
54
Frequently Asked Questions
56
Battery Removal and Installation
57
Returning Merchandise for Service
58
Chapter 4 BIOS
59
Introduction
59
Main Setup
60
Advanced Setup Configurations
62
Power Configuration
63
Cpu Configuration
64
Chipset Configuration
68
North Bridge
68
South Bridge
73
Usb Configuration
73
Sata Configuration
75
Acpi Settings
79
Super Io Configuration
80
Serial Port Console Redirection
81
Console Redirection Settings
81
Console Redirection Settings (for Ems)
83
Event Logs
85
View Smbios Event Log
86
Ipmi
87
Security Settings
89
Boot Settings
92
Save & Exit
93
BIOS Error Beep Codes
95
A1Sai & A1Sri Series Motherboard User's Manual
96
Appendix B Software Installation Instructions
97
B-1 Installing Software Programs
97
B-2 Installing Superdoctor5
98
Appendix C UEFI BIOS Recovery Instructions
99
C-1 an Overview to the UEFI BIOS
99
How to Recover the UEFI BIOS Image (-The Main BIOS Block
99
To Recover the Main BIOS Block Using a USB-Attached Device
99
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