Memory: Dell Dimension� P75t, P90t, P100t, P133t Midsize
Memory: Dell Dimension P75t, P90t, P100t, P133t Midsize
Memory Installation Guidelines | Base/Board Memory | Installing/Removing
a SIMM |
Upper Memory Map | Conventional
Memory Map
Memory Installation Guidelines
The 4 SIMM sockets can accommodate from 8 to 128 MB of RAM.
Supported SIMM sizes are 4, 8, 16, and 32 MB.
SIMMs can be either 60 ns (EDO) or 70 ns (fast-page mode).
SIMMs are 32-bit, nonparity.
SIMMs must be installed in matched pairs.
In terms of functionality and performance SIMM socket pairs can be installed in either
BANK. When installing 4 SIMMs BANK0 should be installed first.
The number and arrangement of chips on the SIMM may vary.
The SIMMs used on this system have tin leads.
SIMM Sockets
Base/Board Memory
Total BANK0 BANK0 BANK1 BANK1
8 MB 4 MB 4 MB
16 MB 4 MB 4 MB 4 MB 4 MB
16 MB 8 MB 8 MB
24 MB* 8 MB 8 MB 4 MB 4 MB
32 MB 8 MB 8 MB 8 MB 8 MB
32 MB 16 MB 16 MB
40 MB* 16 MB 16 MB 4 MB 4 MB
48 MB* 16 MB 16 MB 8 MB 8 MB
64 MB 16 MB 16 MB 16 MB 16 MB
64 MB 32 MB 32 MB
72 MB* 32 MB 32 MB 4 MB 4 MB
80 MB* 32 MB 32 MB 8 MB 8 MB
96 MB* 32 MB 32 MB 16 MB 16 MB
128 MB 32 MB 32 MB 32 MB 32 MB
* The SIMM pairs can be reversed.
Installing/Removing a SIMM
Installing a SIMM
1. Remove the cover.
2. To replace or reinstall a SIMM, align the SIMM with the slot in the center of the
socket with the cutout toward the back of the chassis and press slowly upward until it
snaps into place.
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NOTE: To remove a SIMM follow the instructions in reverse
order. |
Upper Memory Map
Location Size Description
FFFF0000-FFFFFFFF 64 KB BIOS ROM
08000000-FFFEFFFF Reserved
0010FFF0-07FFFFFF 126.9 MB Extended memory
00100000-0010FFEF 64 KB High memory area
000F0000-000FFFFF 64 KB System BIOS
000C8000-000EFFFF 160 KB Available
000C0000-000C7FFF 32 KB Video BIOS
000A0000-000BFFFF 128 KB Video RAM
0009FC00-0009FFFF 1 KB PS/2-mouse data area
00000000-0009FBFF 639 KB Conventional memory
Conventional Memory Map
Segment Address Range Use
0 00000h-003FFh Interrupt vector tabe
00400h-004FFh BIOS data area
00500h-005FFh MS-DOS� work area
00600h-0FFFFh User memory
1 10000h-1FFFFh User memory
2 20000h-2FFFFh User memory
3 30000h-3FFFFh User memory
4 40000h-4FFFFh User memory
5 50000h-5FFFFh User memory
6 60000h-6FFFFh User memory
7 70000h-7FFFFh User memory
8 80000h-8FFFFh User memory
9 90000h-9FBFFh User memory
9FC00h-9FFFFh PS/2-mouse data area
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