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ASROCK Z490M-ITX/ac User Manual

ASROCK Z490M-ITX/ac
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55
English
Z490M-ITX/ac
RAS to RAS Delay (tRRD_S)
e number of clocks between two rows activated in dierent banks of the same
rank.
Write to Read Delay (tWTR_L)
e number of clocks between the last valid write operation and the next read command to
the same internal bank.
Write to Read Delay (tWTR_S)
e number of clocks between the last valid write operation and the next read command to
the same internal bank.
Read to Precharge (tRTP)
e number of clocks that are inserted between a read command to a row pre-
charge command to the same rank.
Four Activate Window (tFAW)
e time window in which four activates are allowed the same rank.
CAS Write Latency (tCWL)
Congure CAS Write Latency.
Third Timing
tREFI
Congure refresh cycles at an average periodic interval.
tCKE
Congure the period of time the DDR4 initiates a minimum of one refresh
command internally once it enters Self-Refresh mode.
Turn Around Timing
tRDRD_sg
Congure between module read to read delay.
tRDRD_dg
Congure between module read to read delay.
tRDRD_dr
Congure between module read to read delay.

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ASROCK Z490M-ITX/ac Specifications

General IconGeneral
HDMI version1.4
PS/2 ports quantity1
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Ethernet LAN (RJ-45) ports2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
RGB LED pin headerYes
LAN controllerDragon RTL8125BG, Intel I219-V
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version4.2
Ethernet interface type2.5 Gigabit Ethernet, Gigabit Ethernet
Audio chipRealtek ALC1200
Component forPC
Motherboard chipsetIntel Z490
PC health monitoringFAN, Temperature, Voltage
Audio output channels7.1 channels
Motherboard form factormini ITX
Motherboard chipset familyIntel
Windows operating systems supportedWindows 10
OpenGL version4.5
DirectX version12.0
Maximum resolution4096 x 2304 pixels
Parallel processing technology supportNot supported
Memory channelsDual-channel
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Maximum internal memory64 GB
Supported memory clock speeds2133, 2400, 2666, 2800, 2933, 3200, 3600, 3733, 3800, 3866, 4000, 4133, 4266, 4333, 4400 MHz
Cables includedSATA
BIOS typeUEFI AMI
BIOS memory size128 Mbit
System Management BIOS (SMBIOS) version2.7
RAID levels0, 1, 5, 10
Supported storage drive typesHDD & SSD
Supported storage drive interfacesSATA III
Compatible processor seriesIntel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Pentium
Weight and Dimensions IconWeight and Dimensions
Width170 mm

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